44- NPN Light Sensor

$26.50$76.50

This circuit uses the output from an LDR to trigger an NPN Transistor (Q1) to drive a Relay (RY1) and fire a single detonator.

 

Choose “Full Kit (PCB + Parts)” for a solder kit that includes all required parts for the build, a quick reference card and support from our amazing community of makers.

 

Choose “Assembled and Tested” for a fully assembled and tested ready to use device and reference card.

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