Pocket ESP32-C3 Wi-Fi Messenger

@markoa7

I’ll lock the footprint and antenna clearance early, then route a compact PCB around 95×25×15 mm. The firmware will run on ESP-IDF or Arduino-ESP32 to exchange short Wi‑Fi messages and drive a small OLED display, with a reliable delivery acknowledgment. I’ll deliver a complete schematic, Gerbers, and a concise BOM using readily available parts, plus a 3D‑printed enclosure for the final shell. A low‑power strategy with deep sleep and wake‑on-event will be demonstrated, aiming for weeks of idle life on a replaceable battery. The package will include the compiled binary, source code, and a quick‑start readme to flash, assemble, and start field testing without guessing settings. Could you confirm the target battery chemistry and capacity, and the operating temperature range, so I can tailor the sleep strategy and wake-up timing accordingly? Marko Aleksic

@tshibsamuel477

Hi there, I carefully reviewed your requirements and can develop the complete compact ESP32-C3 messaging device, including the low-power hardware, PCB, Wi-Fi firmware, display interface, battery management, and 3D-printable enclosure. I have experience with ESP32-C3, Wi-Fi communication, low-power embedded design, OLED/LED displays, battery-powered systems, compact PCB layout, antenna-clearance planning, and firmware development using ESP-IDF and Arduino-ESP32. I can design the device around your correction-tape-size target while keeping the antenna, battery, display, and controls practical for assembly. The firmware can handle short two-way text messages, delivery confirmation, display updates, and aggressive sleep/wake management. I will also document the low-power strategy and optimize idle consumption so the device can target long standby operation on a replaceable battery. You will receive the complete schematic, PCB source/Gerbers, BOM, firmware source and binary, enclosure CAD/STL, and a concise build and flashing guide. Just send me a message with your preferred battery type and display choice, and I can get started quickly. Best regards, Samuel tshibangu

@hayat38402

Hello, I am an Electrical/Embedded Systems Engineer with more than 10 years of experience in PCB design, microcontrollers, wireless systems, embedded firmware and low-power electronics. I have studied your complete project, and I’m confident I can deliver it successfully as the requirements closely match my expertise and previous experience. I can design the ESP32-C3 based Wi-Fi messaging device within the compact 95 × 25 × 15 mm target, considering antenna clearance, reliable Wi-Fi performance and efficient power management. I can develop the complete schematic, compact PCB layout, Gerbers and concise BOM using readily available components. Firmware can be developed with ESP-IDF or Arduino-ESP32 to send and receive short text messages, drive an OLED/LED display and provide delivery confirmation. I will implement suitable deep-sleep and power-management techniques to maximize battery life while maintaining fast wake-up and reliable operation. I will also provide a 3D-printable enclosure designed around the PCB, battery and display, along with complete source code, compiled firmware and a quick-start guide for flashing and assembly. I can start immediately. My proposed budget is $600, with an estimated turnaround of 14–18 days including design, firmware integration and testing.

@Mahmoud00Ibrahim

Hello I’d be happy to develop this compact Wi\-Fi text\-messaging gadget from schematic to a fully testable prototype\. I have strong experience with ESP32/ESP\-IDF, low\-power embedded systems, PCB design, and compact electronics\. I can handle the complete workflow: ESP32\-C3 hardware, compact PCB layout, schematic, BOM, Gerbers, firmware, Wi\-Fi messaging, display interface, delivery confirmation, and low\-power optimization\. I’ll also design the 3D\-printable enclosure around the PCB and provide the compiled firmware, source code, and a clear README for easy assembly and testing\. I’ll prioritize the physical size, reliable Wi\-Fi performance, clean/extendable firmware, and practical battery life\. We can discuss the price and milestones in the chat\. Best regards, Mahmoud

@globalconnectt

Hi, this is a great fit for an ESP32-C3 low-power hardware/firmware build. I can design the complete correction-tape-sized messaging device: schematic, compact PCB, Gerbers, BOM, ESP-IDF firmware, enclosure, and clear assembly/flash documentation. I would start with a power-budget and Wi‑Fi architecture review, since “weeks of idle life” and instant inbound Wi‑Fi delivery require a practical tradeoff. Deep sleep gives excellent battery life but cannot receive instantly; I can propose the best approach using scheduled wake/check-ins, configurable polling intervals, and message acknowledgements. Deliverables include short-message send/receive UI, display support, delivery confirmation, optimized sleep modes, compiled binary/source, 3D-printable enclosure, and manufacturing-ready files. I focus on antenna clearance, realistic battery selection, stable Wi‑Fi reconnection, and clean extensible code. I can break this into clear milestones: feasibility/power design, PCB + enclosure, firmware, then prototype testing and refinements.

@shadabkhan92

The Pocket ESP32-C3 Wi-Fi Messenger is precisely the type of endeavor that excites our team at MOHD SADAB. Not only do we have deep-rooted expertise in PCB design, firmware development, and MQTT-connected sensor networks, but we've also consistently punched above our weight in projects that merge different technologies. Our solid understanding of IoT hardware, ESP32/STM32 firmware, and efficient power management would prove invaluable in developing a highly reliable and low-power text messaging gadget fitting into a form factor similar to that of correction tape. Furthermore, with our proficiency in 3D-printing and enclosure design, we can ensure that all components are securely housed within the limited space available, without compromising on proper ventilation or antenna clearance.

@danish2051

I can design your PCB from schematic to production-ready files, including: • Schematic Design • PCB Layout • Component Selection • Design Rule Check (DRC) • Gerber Generation • BOM Preparation • Manufacturing Support (JLCPCB, PCBWay, etc.) I have experience with ESP32, STM32, sensor interfaces, power supplies, RF modules, Ethernet, and industrial electronics. Please share the project requirements, schematic (if available), board dimensions, and any special requirements. I can start immediately. Looking forward to working with you.

@FranciscoSilvi

This is not an AI-generated bid like all the others I saw. As you can see in my portfolio on my profile, I have extensive experience designing PCBs and mass production equipment, just like you need. I can handle your project. I apologize for the simple proposal; I know you're probably tired of reading AI-generated proposals, and I'd rather not waste time on that. If you're interested in working with me, send me a message and we can work out the details! Best Regards!

@umaranimators

I already have done project on ESP32. As an experienced 3D Artist and Animator, I have the skills and expertise to turn your visionary concept of a tiny ESP32-C3 Wi-Fi Messenger into a tangible reality. I can create the PCB layout and schematic that fits the specific measurements you require, alongside a BOM utilizing readily available parts. My expertise in Fusion 360 and SketchUp ensures your project will not only be sleek in design but also optimized for an effective antenna clearance. Additionally, I understand the importance of efficient power usage considering your device will run on replaceable batteries. My low-power strategy has been proven to enable devices to idle for weeks on fresh batteries while still being prompt for message activity. Aside from constructing this device, I offer value-added services such as producing a quick-start readme file, because I believe that assisting with the deployment is just as crucial as building the device itself. My dedication to clear communication paired with adhering to set deadlines ensures that this project would be a success. Choose me for this project, and let's get your miniature messaging gadget up and running.

@alluankit01

Hi, I can support the ESP32-C3 pocket Wi-Fi messenger project with a compact hardware concept, schematic direction, PCB planning, firmware structure and low-power strategy. For this budget, I recommend starting with the initial feasibility/design phase, then moving PCB finalization, enclosure CAD and prototype testing into later milestones. My approach will be to first confirm the display type, battery size, message server/protocol, enclosure limits, antenna clearance and expected idle/wake behavior. Then I’ll prepare a practical architecture around ESP32-C3 with Wi-Fi-only messaging. I can help with: * ESP32-C3 hardware architecture * Compact PCB planning * OLED/LED matrix display selection * Replaceable battery power design * Low-power sleep/wake strategy * Wi-Fi send/receive firmware flow * Delivery confirmation logic * ESP-IDF or Arduino-ESP32 code plan * Antenna keepout guidance * 3D enclosure concept notes Deliverables for first phase: * System block diagram * Component recommendation list * Preliminary schematic notes * PCB layout constraints * Firmware module plan * Low-power strategy * Prototype milestone roadmap I’ll focus on making the design practical for the correction-tape-sized form factor while keeping power use, Wi-Fi stability and future firmware extension in mind. Best regards Ankit

@bojans9

Hi, I can build the ESP32-C3 Wi-Fi messenger prototype, including both the electronics and firmware side. I can deliver: * Compact ESP32-C3 PCB design around the requested form factor * Complete schematic, Gerbers and BOM * ESP-IDF/Arduino firmware for two-way text messaging over Wi-Fi * OLED/LED display and message delivery confirmation * Low-power sleep/wake strategy optimized for battery operation * 3D-printable enclosure design * Compiled firmware, source code and clear setup documentation * Hardware/firmware testing for Wi-Fi stability and power consumption I’ll design the system with antenna clearance, battery replacement, component availability and future firmware expansion in mind. **Budget:** $30 fixed **Timeline:** 7–10 days I can start with the schematic and power/Wi-Fi architecture, then proceed to PCB, firmware and enclosure.

@Webslinger01

A two-way pager in a correction-tape shell with ESP32-C3 and strict battery discipline—this is a tight, fun constraint. I've shipped custom ESP32 boards from concept to enclosure, including a model railway controller with WiFi control and a cassette deck retrofit, so the fit-and-firmware balance is familiar territory. → I'll design the PCB to your 95×25×15 footprint with antenna clearance, then deliver Gerbers and a BOM of common parts → Firmware will use ESP-IDF with deep-sleep idle, WiFi wake-on-demand, and delivery confirmation for your text payloads → I'll provide a 3D-printable enclosure file and a quick-start read-me for flashing and field testing The estimated budget for this project would be $70. I'd love to discuss your milestone expectations and get started.

@anjalin0309

Hi, I’d be interested in designing this compact ESP32-C3 Wi-Fi messaging gadget. I have hands-on experience with KiCad PCB design, schematic development, embedded firmware, low-power design, and prototype testing, and I can handle the project from concept through production-ready files. For your device, I can deliver: • Compact PCB designed around the ~95 × 25 × 15 mm enclosure, with proper ESP32-C3 Wi-Fi antenna clearance and practical component placement. • Complete schematic, PCB layout, Gerbers, fabrication-ready files, and a concise BOM using readily available components. • ESP32-C3 firmware using **ESP-IDF or Arduino-ESP32** for Wi-Fi connectivity, short text messaging, message reception, display indication, and delivery confirmation. • A practical **low-power strategy**, including sleep modes, optimized Wi-Fi usage, and battery-life considerations for a replaceable battery. • Complete source code, compiled firmware binary, and a clear README covering flashing, configuration, assembly, and testing. I’ll prioritize physical fit, reliable Wi-Fi, clean and expandable firmware, manufacturability, and real-world battery life rather than just creating a proof-of-concept. I’m happy to discuss the communication architecture, battery choice, display, milestones, and enclosure constraints before starting. Looking forward to working with you!

@soniaer987

Your correction-tape-sized ESP32-C3 messenger is such a fun constraint—I love that the size and battery life are the real challenges here, not just the Wi-Fi code. → I've built compact ESP32-C3 boards before, like a custom air quality monitor PCB that fit tight enclosures and ran reliably on battery. → I'll design the schematic, Gerbers, and BOM for your footprint, plus firmware for sending, receiving, and confirming messages on a small display. → My low-power plan uses deep sleep with wake-on-Wi-Fi, aiming for weeks of idle life, and I'll include a 3D-printable enclosure and a clear read-me.

@hexabitzprojects

Hi, I’m very interested in this project because I have **15+ years of R&D experience in ESP32-based embedded systems, low-power electronics, wireless IoT and custom PCB design**. I have completed compact battery-powered ESP32 IoT devices involving Wi-Fi, sensors, displays and MQTT communication, which closely matches your requirements. I can design the complete **ESP32-C3 hardware and firmware** around the correction-tape-sized form factor, including schematic, compact PCB layout, readily available components, antenna considerations, display and battery interface. For firmware, I can implement reliable two-way short-message communication over **Wi-Fi only**, message acknowledgement/delivery confirmation, display handling and a clean modular architecture using ESP-IDF or Arduino-ESP32. I can also optimize Wi-Fi usage, sleep modes, wake-up behavior and peripheral power switching to achieve practical multi-week battery life. My previous ESP32 IoT work includes **MQTT-based devices, OLED/LVGL interfaces, wireless sensor systems and battery-powered embedded products**, giving me directly relevant experience with the hardware/software integration required here. I can deliver the **schematics, PCB/Gerbers, BOM, source code, compiled firmware, quick-start guide and 3D-printable enclosure**, with the design validated for physical fit and field testing. Best regards, **Subhash Suman** ESP32 | IoT | Wi-Fi | Low Power | PCB Design | Embedded Firmware **15+ Years R&D Experience**

@germanob

i, The ESP32-C3 + battery-only constraint is the interesting part here — most "smart gadget" projects skip that tradeoff. I'd use the MINI-1 module (onboard PCB antenna) to keep the RF layout simple inside a small plastic shell, and build the whole power budget around deep-sleep with Wi-Fi wake, since that's what actually determines whether this runs for weeks or days on a coin/AAA cell. Background: KiCad PCB design, embedded firmware, and RF work, including a recent compact carrier-board build (Raspberry Pi CM4) and ongoing ESP32-based projects. I source through LCSC/JLCPCB, so the BOM stays real and buildable, not theoretical. Scope as I see it: schematic + Gerbers + BOM sized to your ~95×25×15mm envelope (small antenna keep-out adjustment if needed) → ESP-IDF firmware for Wi-Fi text send/receive with delivery ACK and OLED output → measured (not estimated) sleep-current numbers → 3D-printable enclosure → compiled binary, source, and a flash-and-go README. Before I lock milestones: do you already have a message broker/server (MQTT, custom backend), or should I propose one? And is battery chemistry fixed (CR123A, 2xAAA, coin cell), since that drives the power-stage design? I'd suggest breaking payment into schematic review → layout/Gerbers → firmware → power+enclosure → final delivery, so you can check fit and direction at each step.

@antoniod83

Hi, This project fits my core work: PCB design in KiCad, embedded systems, and Wi-Fi/RF, with prior ESP32-based boards and a recent compact carrier board build. I source parts via LCSC/JLCPCB, keeping the BOM realistic and available. Plan: ESP32-C3-MINI-1 (onboard PCB antenna, easier to shield in a small plastic case). I'll adjust the 95×25×15mm envelope slightly for antenna clearance if needed. Deliverables: schematic, Gerbers, BOM. Firmware in ESP-IDF: Wi-Fi station mode, short text payloads (MQTT or HTTP, your call), delivery ACK, output to a small OLED (more efficient than an LED matrix for text). Power: deep sleep with Wi-Fi/button wake, consumption verified with real measurements (INA219), targeting weeks of runtime on a replaceable cell (CR123A or 2xAAA). Enclosure: 3D-printable shell with mounts for PCB, battery, and button, sized to the final layout. Final delivery: compiled binary, commented source, and a quick-start README (flash, assemble, first test). Two quick questions before starting: (1) do you have a message broker/server in mind, or should I suggest one? (2) preferred battery chemistry — this shapes the power stage layout. Proposed milestones: M1 schematic+BOM review, M2 layout+Gerbers, M3 working firmware, M4 power optimization+enclosure, M5 final delivery.

@alreng

Hello, I can develop your compact ESP32-C3 Wi-Fi messaging device from schematic through final prototype-ready files. The work will include the optimized PCB layout, schematic, Gerbers, BOM, low-power firmware, OLED/LED messaging interface, delivery confirmation, and 3D-printable enclosure. I have solid experience with ESP32, embedded systems, PCB design, and firmware development. I will prioritize compact mechanical integration, reliable Wi-Fi communication, clean and maintainable code, and practical battery life. The final package will include the source code, compiled firmware, manufacturing files, enclosure files, and a concise setup/assembly guide. I’m available to discuss the technical requirements and milestones.

@malindu0027

Hello, I have gone through your requirements and I will design the PCB as miniature as possible to fit in a correction tape. I am also experienced in ESP sleep modes, I can design the schematic and the firmware to achieve lowest power consumption possible. looking forward to working with you. Best Regards.