Analog electronics trabalhos
Procuro um profissional altamente qualificado para me auxiliar com pesquisas de mercado aprofundadas no setor de eletrônicos de consumo. O candidato ideal terá um histórico comprovado na realização de pesquisas completas e perspicazes. Este projeto requer precisão, atenção aos detalhes e capacidade de sintetizar informações complexas de forma concisa. Principais responsabilidades: - Realizar pesquisas de mercado abrangentes com foco na indústria de eletrônicos de consumo. - Análise de tendências, concorrentes e comportamentos do consumidor. - Sintetize informações complexas em insights e recomendações concisos e claros. Habilidades e experiência ideais: - Exper...
English: I am seeking an electronics expert to develop a custom Printed Circuit Board (PCB) for a DC-DC Step-Up Boost converter with the following specifications: Input Voltage: 20 to 30V Output Voltage: Adjustable from 35 to 52V Current: Support up to 8A Specific Requirements: Maximum Voltage Adjustment: The board must include a method for adjusting the maximum output voltage limit. Current Limit Adjustment: Implementation of a system for adjusting the current limit through a 0 to 3.3V input signal, where 3.3V corresponds to the maximum limit of 8A. Shunt Resistor and OPAMP: Incorporation of a shunt resistor with OPAMP, including potentiometers for fine calibration. On/Off Function: The board should allow the option to switch between input voltage (off) and amplified output volta...
Precisamos de um técnico de reparação de computadores, eletrónica de consumo ou televisores para verificar uma avaria no ecrã de publicidade numa loja em Viseu, Portugal. Se a avaria for de cablagem ou superficial e puder ser reparada no local, não deverá demorar mais de 1-2 horas. Em caso de avaria interna do televisor, seria enviado um televisor de substituição e o televisor danificado teria de ser substituído e preparado para envio, o que também seria tratado a partir da sede. Em caso de substituição do televisor, esta seria efectuada num outro dia e o tempo de substituição dependeria da complexidade, aproximadamente 1-3 horas.
Possuo um template (Techzoid - Electronics Store HTML5 Template), á qual já fiz a conversão para PHP e já adicionei alguns recursos, inclusive já possui um backend/Dashboard, mas queria alterar para um backend mais profissional e adicionar as restantes funcionalidades do website. Queria alterar o Backend/Dashboard para um mais "profissional", minha ideia no momento seria (Velzon - Admin & Dashboard Template) ou (Sash - Bootstrap 5 Admin & Dashboard Template), mas necessito que seja 100% funcional
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O projeto em questão é um site de reviews, com foco no mercado brasileiro. O site pretende seguir o modelo do site , comparando vários produtos de diversas marcas, apresentando uma tabela comparativa de características, além de um artigo explicando vantagens e desvantagens de cada produto. Exemplo: Se espera do freelancer experiência prévia em escrita de artigos/relatórios, em especial review de produtos (desejado). Será necessário capacidade de pesquisa com certa profundidade sobre características específicas de produtos (sabendo que o foco é em eletro-eletrônicos e home appliances em geral), para que os reviews e comparativos possam ganhar credibilidade. O trabalho não envolve a inc...
[14:27:08] Expert Electronics: Segue abaixo script do que precisamos. O app deverá funcionar tanto em tablet quando celular para android e ios. Deverá carregar os dados do processador. Teremos as seguintes funções nele. Terá a opção para 3 modelos de processadores: PX1/PX2/Optimus Entradas: 2 ou 4 Saídas: 4,6 e 8 Eq gráfico: 15 e 28 bandas Eq paramétrico: 1,3 e 5 Limiter: 4,6 e 8 canais (com monitoramento e aviso de atuação do mesmo) Sistema de senha Crossover Filtros de atenuação Gerador de sinal Delay de 7 em 7 mm Fase ajustável de 0º a 180º Roteamento de canais Mute para todos os canais (O mute precisa estar em fácil acesso dentro de qualquer tela) Leitura de...
Necessito de engenheiro electrotécnico que saiba programar em Labview, para realizar umas pequenas modificações no software de avaliação CN0288 da Analog Devices. Ver o seguinte link: A aplicação e as sources encontram-se em: ftp:// As modificações passam por poder alterar a frequência de amostragem do ADC (AD7992), e o processo de armazenamento de dados, através do GUI.
...instalação automático com um clique, que engloba a loja virtual com n.º ilimitado de produtos, alojamento, registo de domínio, etc.<br /><br />A necessidade que temos atualmente é de transformar nossos templates em responsivos, por forma a se ajustarem automaticamente a celulares, tablets, etc, sendo que já compramos um template html próprio para esse efeito <br /><br />que precisamos agora de adaptar a todas as funcionalidades existentes no painel de administração usado pelos nossos clientes, relacionadas com a adição de produtos, definição de categorias e sub-categorias, definição de preços, métodos de transporte, meios de pagamento, ...
Estarei na feira Hong Kong Electronics dia 13-10 e preciso de um tradutor a minha disposição durante essa visita de 1 dia. Sou Brasileiro e preciso de um tradutor local para Mandarim - Portugues na busca de negociação com fornecedores.
...communication and business opportunities Helping us secure new production projects Compensation We offer a commission-based compensation model, where the agent receives a percentage of the profit generated from each successful project they bring in. This is a long‑term opportunity for experienced professionals who already have contacts in: Automotive industry Medical device industry Consumer electronics Industrial equipment Any sector requiring complex plastic or metal components Ideal Candidate Proven experience in B2B industrial sales or lead generation Strong network within manufacturing, automotive, medical or related industries Ability to independently identify and approach potential clients Professional communication skills and reliability Motivation to work on a comm...
Challenge: High-density miniature layout (13.5 mm circular PCB, 2 layers). Software: Strictly EasyEDA Shared Workspace (I will add you as a member/editor). This should be a straightforward task for a can do it im 30 minutes.
I’m preparing a campaign that zeroes-in on tech audiences in the United States and the United Kingdom, and I need someone who already has those relationships in place. Your primary task is to surface mid-tier creators (roughly 50 K–500 K followers) who are active on Instagram and YouTube and whose content is unmistakably tech-focused—think gadgets, software, consumer electronics, AI, gaming hardware, emerging devices, and similar niches. Because timing is tight, I’m not looking for a generic scrape or a cold outreach list. I need a living database you have cultivated, complete with names, handles, up-to-date audience metrics, contact emails, average engagement rates, a short note on recent brand partnerships, and any rate cards you already hold. Quality outw...
Up! I can deliver a complete end-to-end solution covering PCB design, PIC firmware, and a Windows VB.NET interface for your compact electronics board. I have experience designing multilayer boards in Altium, developing efficient microcontroller firmware with low-power optimization, and building reliable PC tools for device configuration and data logging. You’ll receive a fabrication-ready hardware package, well-structured firmware with compiled HEX and flashing guide, and a user-friendly desktop utility that communicates over USB, streams live sensor data, and logs to CSV. I focus on clean design, power efficiency, and dependable communication between hardware and software. Ready to start as soon as you share the sensor list and mechanical constraints
I’m moving a range of electronics SKUs from FBA to FBM and need each listing rebuilt so the switch is seamless for shoppers and Amazon’s system alike. You’ll be working with a mix of assets: some products already have solid copy that only needs tightening, while others require descriptions written from scratch. Either way, I’ll supply a keyword list for every ASIN; your job is to weave those terms naturally into titles, bullets, descriptions and backend search fields without triggering Amazon’s compliance filters. Beyond the copy, I also need you to replicate the existing variation structures, carry over reviews, and double-check that all fulfillment details reflect the new FBM workflow (handling times, shipping templates, return addresses, etc.). Ac...
Electronics Product Tester (US Only) Job Type: Free Product Access Location: USA (Remote) Project Overview I am recruiting a large number of part-time product testers within the US to help evaluate new consumer electronics products sold through my Amazon store. This is a structured testing program focusing on real-world user experience, usability feedback, and product evaluation. Your feedback will be used to improve future product production and optimize the product listing. This program is ideal for US residents who frequently shop online and can easily follow simple testing instructions. Project Scope Once selected, you will: Purchase the designated electronic product from my Amazon store. I will provide the product link and step-by-step instructions. Please use the produc...
We have a couple of l electronics brands on Amazon and already have Sponsored Products and Sponsored Brands campaigns running. We want to boost the Sales growth d, so I want a fresh set of eyes to audit what’s live, tighten the structure, and then scale the winning keywords and placements. We are looking some Amazon PPC Expert now it inside out. Here’s what I need: • Full account audit with a written summary of current performance, wasted spend, and immediate quick-wins. • Re-structured campaigns (Sponsored Products, Sponsored Brands; DSP only if you feel it will add lift) built around proven keyword research and competitor insights. • Ongoing bid and placement optimization focused squarely on increasing sales while holding or lowering ACOS/ TACOS...
Hello , I need a complete design for a compact consumer-electronics board that revolves around a PIC microcontroller. The scope spans three tightly-linked parts: • PCB hardware – Produce the schematic and multilayer layout in Altium Designer, include all libraries you create, and deliver the full manufacturing package (Gerbers, drill files, pick-and-place, and a PDF schematic). • MCU firmware – Write well-commented code in MikroBasic (or another PIC-friendly tool if you justify the switch). The firmware must read multiple sensors, exchange data through an efficient serial protocol, and use smart power-saving modes to stretch battery life. Please supply project files, compiled HEX, and a short flashing guide. • PC interface – Build a Windows utility...
I need clear, technically-accurate product descriptions for a range of consumer electronics. Each text must read like it belongs on a spec-driven retail page—precise wording, no marketing fluff, and enough engineering detail to satisfy informed shoppers. Scope You will receive a list of electronic items along with basic specs and any manufacturer data sheets I can supply. From that material, craft concise copy that highlights key features, explains core technology in plain terms, and anticipates common pre-purchase questions. Deliverables (per product) • 120–180-word main description • 4–6 bullet-point feature list • Tabular spec section (model number, dimensions, weight, power, connectivity, etc.) • Optimised file delivered in eithe...
I need a complete design for a compact consumer-electronics board that revolves around a PIC microcontroller. The scope spans three tightly-linked parts: • PCB hardware – Produce the schematic and multilayer layout in Altium Designer, include all libraries you create, and deliver the full manufacturing package (Gerbers, drill files, pick-and-place, and a PDF schematic). • MCU firmware – Write well-commented code in MikroBasic (or another PIC-friendly tool if you justify the switch). The firmware must read multiple sensors, exchange data through an efficient serial protocol, and use smart power-saving modes to stretch battery life. Please supply project files, compiled HEX, and a short flashing guide. • PC interface – Build a Windows utility in ...
I need an experienced electronics/PCB engineer to design a reliable, 24/7-operating traffic light controller PCB. This is a safety-critical system (not a hobby project). • Load: 220VAC traffic light LED modules • Operation: Continuous (24/7) • Experience with ESP32 hardware • Experience with AC mains / industrial electronics • Comfortable designing fail-safe systems • easy eda check image . PCB1 is main and then i can connect few pcbs like pcb2
I have a full dyeline and a set of reference images and designs for a freestanding retail display that will showcase our product range. I now need every visible panel ‑ front, sides, header, ‑ fully designed so the stand grabs attention and drives product sales. The stand’s sole purpose is to promote the product range, with a quick-scan approach. I already have high-resolution imagery, feature copy and the exact dimensions; what I’m missing is your creative treatment that pulls it all together into one cohesive look. It doesnt have to use images, but show are products like in a brochure. Please work directly on the supplied dyeline, keeping a green edge around the board of all the 3 bottom sides Once approved, I’ll need: • A print-ready PDF for each panel &bull...
I need a clean, well-structured catalogue that showcases my full line of electronics across seven or more product categories. The goal is to inform potential buyers about each item’s key specifications rather than push a hard sale, so the layout must balance concise tech details with plenty of white space and clear imagery. I will supply product photos and specs; you organise them into a logical category flow, apply consistent styling, and deliver a print-ready PDF plus the editable source file (Adobe InDesign or Illustrator preferred). Pagination, typography, icon use and colour palette should all reinforce a modern tech aesthetic while remaining easy to read. If you have ideas for subtle infographics or comparison tables, feel free to suggest them—anything that hel...
...the inner circumference of a ring Two gold-finished contact pads on the flex section that interface with the user’s finger A rigid PCB section that connects to the flex and hosts electronics Scope of work: Design a single-piece rigid-flex PCB Flex section with exposed ENIG pads (dimensions and spacing will be provided) Proper coverlay usage and manufacturable rigid-flex stack-up Clean routing of high-impedance analog signals from flex to rigid section Mechanical alignment features and reliable rigid-flex transition Requirements: Proven experience with rigid-flex PCB layout Strong understanding of analog signal integrity in compact wearables Ability to deliver complete PCB layout and Gerbers Project details and full technical context will be shared...
I manage two busy TikTok + Facebook pages—one for consumer electronics and one for sporting goods—and I want all of our raw photos, clips, and testimonials turned into scroll-stopping graphics and short videos on a monthly, salaried basis. For the electronics page, the priority is polished product-review creatives, but you’ll also reshape our happy-customer snaps, unboxings, and promo shots into a consistent look using reusable templates. For the sports line, eye-catching product-advertisement content comes first, with room to experiment around launches or seasonal pushes. The day-to-day flow is simple: you’ll pull incoming assets from a shared Drive, sort them into clear folders, then design or edit pieces sized correctly for TikTok feeds, Stories, ...
...to a manufacturing partner. Required Qualifications: Fluent English: Must be able to communicate complex technical concepts clearly on calls. Consumer Appliance Experience: Proven track record of designing household products involving food-grade liquids, heating/cooling elements, or pressurized systems. Multi-Disciplinary: Capable of handling the mechanical design (SolidWorks/Fusion360), electronics (PCB design for high-current Peltiers), and firmware (C/C++). OR partner closely with someone who has these skills (i can hire for this) Safety Compliance: Experience designing systems that handle hot water/steam sterilization safely. To Apply: Please share 2-3 examples of hardware prototypes you have built from scratch. Specifically, highlight any projects involving thermodynam...
...Tarif, Anbieter, Tracking-ID Kanäle: Web-Messenger, WhatsApp, Telegram DSGVO-Hinweis & Checkbox vor Absendung Tracking-ID in DB, Status: initiated → contacted → closed 6: Monetarisierung & Lead-Vergütung Einnahmen Pay-per-Lead (PPL): Kunde klickt Kontakt → Fixbetrag 5–10 € Pay-per-Sale: Kunde schließt Versicherung → Provision 50–150 € Upsell / Cross-Selling: Folgeprodukte, Lead-Vergütung analog Lead-Tracking Lead-Tabelle in DB: lead_id, session_id, provider, coverage_type, price, status, created_at Status: initiated → contacted → closed Reports / Partner-Dashboard: Leads, Abschlüsse, Umsatz Backend Workflow CREATE TABLE leads ( lead_id UUID PRIMARY KEY, session_id UUID, provider VA...
I am looking for an experienced electronics engineer/PCB designer to create a custom carrier board (or fully integrated PCB) for a smart beekeeping monitoring system. The device will monitor two beehives simultaneously and transmit data via LoRaWAN to the "Beep" platform. Project Scope: The goal is to design a PCB that handles power management and interfaces with multiple sensors for two separate hives. The device will be powered by a Solar panel and a Li-Ion/LiFePO4 battery. Core Components & Requirements: Microcontroller & Connectivity: Based on ESP32 with LoRaWAN capabilities. Preference: You can either design around a module (like ESP32-WROOM + RFM95) OR design a carrier board for a dev-board like the Heltec WiFi LoRa 32 V3 (to simplify...
I need an experienced electronics/PCB engineer to design a reliable, 24/7-operating traffic light controller PCB. This is a safety-critical system (not a hobby project). SYSTEM: • MCU: ESP32 • Load: 220VAC traffic light LED modules • Outputs: ~19 relay-controlled channels • Operation: Continuous (24/7) RELAY CONTROL: • Relay outputs driven via 74HC595 shift registers (SPI-style) • 3 × 74HC595 chained • OE pin must have hardware pull-up (outputs OFF at boot) • ESP32 enables outputs only after startup • Relay drivers with proper flyback protection FAILSAFE / SAFETY: • Master relay/contactor that cuts power to ALL lamp outputs • Must drop on: - ESP32 crash - Watchdog timeout - Power instability • Safe power-up a...
I am building an indoor lifting system that needs its own custom hydraulic valve. The unit must modulate acceleration, controlled slowing, and positive stopping in both lifting and lowering directions, yet remain entirely manual in operation—no electronics or remote triggers involved. Key design parameters • Pressure range: 10 – 60 bar • Flow range: 20 – 100 L / min • Body material: aluminum (for weight and corrosion resistance) I am looking for a complete engineering package that covers hydraulic sizing, spool geometry, spring rates, flow-control metering notches, and seal selection so the finished valve behaves smoothly through the whole stroke. A 3-D CAD model and fully toleranced manufacturing drawings are essential, backed by calcula...
My new electronics shop measures 16 ft × 27 ft and is already divided into a front retail zone and a back service zone. I need a space-optimised, modern design that instantly pulls customers toward a dedicated iPad & laptop display—the hero area of the store. What I’m after • A bright, vibrant look and feel that reinforces a tech-forward brand without sacrificing practicality. • Clean sightlines and plenty of under-display storage shutters so we can keep stock on hand yet out of view. • A clearly organised accessories wall or rack system. • A neat POS demo corner where payment terminals can be tried and tested. • A fully private repair area that remains completely hidden from customers. • A small conversation desk with...
I need a modern, 15–20-page catalog that showcases my electronics line in a sleek, visually engaging way. Each product page should balance strong imagery with clean typography and consistent branding, following a contemporary, tech-focused aesthetic. Deliverables • 15–20 print-ready pages laid out in Adobe InDesign (or comparable professional tool) • For every product: – Product specifications clearly formatted – Concise usage instructions set apart for easy reference • High-resolution, press-ready PDF plus editable source files • Cover design, contents page, and logical section breaks to guide readers Once I provide product photos, specs, and copy, I’d like initial layout concepts within a few days, then one revisi...
We are seeking an experienced technical writer with a solid background in electronics to update and improve the instructional documentation for our DIY Bluetooth Speaker Kit. The kits, used in schools and STEM programs, include pre-assembled circuit boards and require basic soldering skills to assemble. The documentation must support both the electronics assembly process and provide guidance for student customization. Responsibilities include: - Revising existing instructions for clarity, especially for beginner-level enthusiasts. - Simplifying technical explanations to be accessible for Year 10 students. - Updating the Bill of Materials (BOM) with precise detail. - Enhancing wiring diagrams with clear labels suited for basic soldering practices. - Including step-by-step v...
...in Gitega, you never pay a listing fee. The Platform Before applying, all candidates MUST visit our official platform at to familiarize themselves with our interface and categories. We focus strictly on the local needs of our citizens: Automotive: Safe trading of vehicles with local license plates. Real Estate: Commission-free rentals and sales in local neighborhoods. Electronics: A trusted hub for second-hand phones and laptops. Jobs: Connecting local artisans and professionals with employers. Role: Country Representative We are looking for passionate individuals based in Rwanda (Kigali, Huye, Musanze) or Burundi (Bujumbura, Gitega, Ngozi) to act as the face of Isokorusange. Key Responsibilities: User Verification: Help us verify that sellers are real people to keep
...part of the watch (bezel + glass + dial) can spin manually like a spinner. The lower case and watch hands are fixed. Spinning is locked by default. When the user pulls the upper part upward (lift trigger), the lock is released and the upper part can spin. When the user pushes it back down, spinning is locked again. This is a purely mechanical system (no motor, no spring-driven spin, no electronics). The goal of this project is to design the mechanism, produce engineering drawings, and prepare manufacturing-ready documentation so I can prototype and mass-produce the watch in China. Core Functional Requirements (Must-Have) 1. Locking System Rotation is mechanically locked when the upper part is in the down position. Lock is released only when the user pulls the upper assem...
...compact PCB whose only job is to collect data from several temperature sensors and route those readings to the rest of my prototype through simple wired connectors. Everything must be laid out and modelled inside Fusion 360, right down to the housing that will protect the board once it is fabricated. Here is what I need from you: • Create the full schematic and board layout in Fusion 360’s electronics workspace, optimised for straightforward sensor-integration and robust wired headers. • Export clean Gerber/Drill files plus the native Fusion 360 design so I can iterate later. • Model a 3-D printable enclosure in the same project file, dimensioned precisely to the finished PCB, with openings for the temperature-sensor cables, mounting holes and a snap-f...
...shop focused on consumer electronics and gadgets and need a full-featured e-commerce site built from the ground up, polished, and ready to accept orders. The store has to showcase products in a clean, modern layout, let shoppers add items to their cart, move through a secure checkout with major payment gateways, and track orders in an easy-to-use account area. A responsive design is essential so the experience feels the same on phones, tablets, and desktops. I’ll supply branding, product images, and copy; you’ll handle the build, set up taxes and worldwide shipping rules, connect payments, and test every step so launch day is trouble-free. When you respond, put the spotlight on your experience creating e-commerce sites—especially any work you’ve done for...
I'm seeking a creative watch designer to develop a modern-style analog watch. The primary material for the watch should be stainless steel. Key Requirements: - Design a modern-style analog watch - Use stainless steel as the primary material Ideal Skills and Experience: - Experience in watch design, particularly analog - Strong aesthetic sense for modern styles - Proficiency in working with stainless steel
1. Purpose This document defines the functional and non-functional requirements for developing a RetailMan-style Point of Sale (POS) system designed for retail businesses operating multiple branches, each running offline, with multiple terminals, multiple stock locations, and credit sales support. The system must be fast, reliable, offline-first, and suitable for supermarkets, electronics stores, hardware shops, and similar retail environments. 2. System Overview Each branch operates independently on its own local server and LAN. Multiple cashier terminals connect to the branch server. The system works 100% offline at branch level. A future sync module will allow consolidation between branches when internet is available. 3. Architecture Requirements 3.1 Deployment Model Bra...
...for You" based on view history. If new, show "Trending Now" (based on click-through rate). Flash Sales: A dedicated section with a countdown timer for time-sensitive deals. 2. Advanced Search & Discovery: Fuzzy Search: The system must handle typos (e.g., searching "Iphne" should find "iPhone"). Dynamic Filtering: Filters must change based on category (e.g., "Clothing" shows Size/Color; "Electronics" shows RAM/Storage). 3. Complex Cart & Checkout (Critical): Split-Order Logic: If a customer buys Item A (from Vendor 1) and Item B (from Vendor 2), the system must generate one Parent Order ID for the customer, but split it into two Child Order IDs in the backend. Payment Gateways: Integration of Cash on Delivery (C...
I need a bank of highly detailed, realistic prompts that can be dropped straight into mainly for FREEPICK, Midjourney, Stable Diffusion, or DALL·E to generate commercial-grade images for my Amazon listings. The products in scope are electronics accessories—primarily mobile covers and tempered glasses—so each prompt has to highlight texture, ports, and overall fit with crisp, shadow lighting that meets Amazon’s pure-white background requirement. Here’s what will make the engagement successful: • Craft prompts that reliably output 3000-px-plus, photorealistic renders showing front, back, angled and lifestyle compositions of the product. • Include any seed settings, aspect ratios, negative prompts, or modifier tweaks you use so I can reprodu...
Mohammed Hamed I am a Master’s researcher working on a GaN-based Current Source Inverter (CSI) for photovoltaic systems. I already have a working SVM control model in MATLAB/Simulink and a partial inverter structure. I am looking for a highly experienced MATLAB/Simulink Power Electronics engineer to professionally upgrade and restructure my model into a full physical Simulink/Simscape CSI system suitable for IEEE-level academic research. Scope of Work: • Convert inverter power stage into physical transistor-based Simscape models (GaN / SiC) • Integrate existing SVM control algorithm • Implement realistic DC-link current source and EMI-aware switching network • Verify losses, stress, and harmonic performance
Working from our previous project, this step is to get the Wand electronics fully functional, this may require a second round of prototype hardware and then a final modified version of the hardware based on the feedback of the industrial designers of the enclosure (likely changing in wiring and plugs to suit production). Also included is the eLARP software conversion now to run on the Wand hardware. 1) Addressable LED's 2) Accelometer 3) Vibration Motor are all new on this platform.
Project: Election Campaign-Themed Electronic Package Design Project Overview: We are seeking a talented and politically savvy freelance graphic designer to create a visually compelling and impactful package design for an electronic device. This is not a standard commercial package—it will function as a miniature election campaign poster, featuring the image, branding, and key messaging of a political candidate. The goal is to design packaging that immediately communicates the candidate's identity and platform, generates excitement, and leaves a lasting impression on recipients, much like a classic campaign sign or flyer. Key Requirements & Responsibilities: · Transform the provided cutline (structural dieline) of the electronic package into a vibrant, campaign-foc...
I’m putting together a small interface that lets a 5 V logic line drive a 12 V DC mechanical relay while keeping the control electronics completely isolated from the field wiring. My plan is to repurpose an off-the-shelf two-channel relay module for the load side and pair it with a standard optocoupler breakout on the control side; you can choose whichever optocoupler best meets the brief as long as it fits the isolation goal. What I need from you is a concise, ready-to-build circuit design: • A clear schematic showing the 5 V input network, the optocoupler stage, any necessary current-limiting or pull-down components, fly-back diode protection for the 12 V coil, and the wiring to the relay board. • A bill of materials with exact part numbers so I can order everyth...
I’m building a wearable exoskeleton and need a dedicated PCB that brings all core electronics onto one compact board. The board must integrate: • Microcontroller • DC-DC converter • LDO regulator • IMU • Operational Amplifiers • JTAG header • All required connectors for power, sensors, and external actuators Scope of work 1. Schematic capture with component selection that balances size, efficiency, and heat dissipation. 2. PCB layout optimized for a tight wearable form factor—minimal footprint, clear signal integrity, and robust grounding. 3. Generation of manufacturing deliverables: Gerber files, assembly drawings, pick-and-place files, and a complete BOM. 4. Design review iteration to address any EMI/EMC or rou...
I need help setting up two Nema 17 stepper motors to be controlled remotely via two ESP32 boards. One board will be in the remote and the other in the receiver. Requirements: - Manual control of stepper motors - Input commands using an analog joystick Ideal Skills and Experience: - Experience with ESP32 and stepper motors - Familiarity with joystick integration - Strong knowledge of manual control systems Please provide a detailed plan and relevant experience in your bid.
I run a retail electronics store and I’m ready to reach shoppers both here and overseas by turning social media into a reliable sales engine. I need a clear, actionable strategy and hands-on support that will help me build genuine relationships with potential customers, showcase my products, and convert engagement into measurable revenue. What I’m looking for: • A data-driven social media plan tailored to electronics retail, showing how we will attract, engage, and retain followers at home and abroad. • Profile optimisation or setup on the platforms you recommend (the obvious starting points are Instagram, Facebook, TikTok or any other channel you can prove will work for electronics). • A 90-day content calendar that mixes product spot...
I need a complete WordPress shop built in Arabic that can handle a broad mix of physical goods—the concept is a general-store, so the catalog will range from fashion items to small electronics and home accessories. The site must be fully localized: all front-end text, checkout screens, email notifications, and any plug-in labels should display in modern standard Arabic. 6 pages home page product page category page checkout page thank you page privacy policy page budget 22$
