Handy 3.3V Power Supply
Description
A simple yet handy 3.3V power supply for testing your electronics projects. The source of the power is any USB output, a computer, a battery power pack or wall outlet. Very useful when testing micro-controller type projects that require 3.3V such as the ESP8266. There are two types Type A has a USB type A plug to plug into a USB socket. Type B has a type B socket. I have a far boards for sale here https://www.ebay.co.uk/itm/133061301756
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