I want to make this piece
This is a board that is installed on the SIM card and powered by a 3.7V polymer battery... When we put the SIM card inside the board, the automatic board is turned on and the board has speakers and microphones, the person who calls the SIM card, the automatic call is connected and the conversation can be mutually connected.
7 freelancers estão ofertando em média $22 nesse trabalho
Hi I have 5 year of experience in designing PCB ,I have checked your circuit diagram and requirement.I can do this. Contact me in inbox to discuss [login to view URL]
Hola, estoy interesado en diseñar la PCB. Contactarme para afinar detalles. Quedo a la espera de sus noticias, deseándole que tenga un excelente día.