A lot of microcontrollers and sensor modules require 3.3V for powering, and you can’t get that from the usual voltage source like a battery or USB. Luckily there is a component called LD1117V33, a low drop voltage regulator able to provide 3.3V from any voltage source between 4.75 and 10 V.
In this project, you'll build a converter module where you can plug in 5V on one side, for example from a USB source, and get 3.3V out on the other side.
What You’ll Need
LD1117V33 Voltage Regulator
10 uF Capacitor
100 nF Capacitor
2 screw terminals
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