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Anet A8





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Full part list (Arduino based RPM meter)



IR LED and senosr: LINK eBay
Arduino NANO: LINK eBay
LM324 amplifier: LINK eBay
Push button: LINK eBay
Slide button: LINK eBay
OLED screen: LINK eBay
30AWG wire: LINK eBay
Cheap lser diode: LINK eBay
9V battery connector: LINK eBay
9V battery: LINK eBay
drilled PCB: LINK eBay



Arduino rpm meter full parts