USB Battery Charger Circuit Nimh Nicd
Charger Circuit LM393 op-amp based on the computer’s USB port with 5 volts on 2 AA NiMH, NiCd batteries can be recharged. Charging current of 470 pcb circuit drawing and detailed information have. During charging, R1, R2, and R4 form a three-way voltage divider which yields about 1.26V at the non-inverting input of Z1a (pin…