The handling is simple.
3 wires universal power supply module price.
The module can take 6 5v to 12v input and can produce 3 3v and 5v.
Junk don t buy them.
Can also output 5v on usb connector and can also take input through usb connector.
Universal power supply module 3wire about this video in this video i m telling about universal power supply module features specification connection ci.
Product title universal ac dc power adapter output 1 5 3 4 5 6 7 5.
3 1 out of 5 stars based on 12 reviews 12 ratings current price 17 48 17.
Would cost me more to return them than they are worth.
Tested 3 out of five and they all failed.
May have destroyed my esp8266 wemos mini in the process.
Put the power supply on the breadboard with its pins the jumper according to the desired output voltage 2x 3 3 and 5v available with power supply in the picture a battery is to be seen and a prefabricated dc jack cable.
After powering 3 modules with a 12v power supply the 5v setting pumps the 12v straight through if the jumper set to 5v.
A 3 3v and 5v breadboard power supply module with series diode polarity reversal protection.
Switch on the power supply as soon as the device has been supplied with gnd and 5v dc.