1. E

    Tp 4056 module

    I am getting problem to fix this circuit board in emergency lights mosquito bats. I want the led indicators seperately by using ordinary led. My question is that can we able to solder at the leds also can we connect parallel leds instead of removing the led from circuit. I see in this thread...
  2. I

    I am losing 0.5 volts

    Hello, I need help as on the attached pdf drawing or eagle schematic, i am getting 4.5 volts at ESP and RFID reader. How it works: At the input it is 12 VDC, going through 5v dc regulator. The 5 vdc goes to Lipo charger and also to T1. T1 it is a switch between 12vdc in and battery. Then, power...