Things used in this project

Hardware components:
Screen%20shot%202016 07 29%20at%204.35.08%20pm
Onion Omega2
Rechargeable 3.7V Battery 18650
On semiconductor lm317tg
Linear Regulator with Adjustable Output
Resistor 120 ohm
Resistor 470 ohm
Resistor 750 ohm
Fairchild semiconductor 1n4004. image
1N4007 – High Voltage, High Current Rated Diode
Panasonic eca1hm2r2
Capacitor 10 µF
09590 01
LED (generic)
Hand tools and fabrication machines:
09507 01
Soldering iron (generic)


Regulator Circuit
The idea here is to get 3.3V using the LM317
Screen shot 2017 02 13 at 01 ae58vqoxfx


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Carlos Silva

Hardware and software developer.


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