I would like to hire an electrical engineer to design a circuit that charges a 3v Lithium watch battery and contains a small switch (SPST-NO), and lights a single LED.
I just need to know what components I need and whether or not I will need a PCB board.
The maximum size of the solar cell should be: 22MM x 7MM
9 freelancer đang chào giá trung bình $125 cho công việc này
Hello! Please contact with me to discuss your task in details. I will do my best to satisfy all your requirements for this project. I have serious experience in electric and electronic engineering. Thanks.
Dear sir, I am a professional engineer and I would like to help you out with your project. please contact me ASAP so we can negotiate all the details. Best regards