Laser Activated Relay
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YouTubeToyTech Machines
Laser Activated Relay
This DIY project uses laser beams and LM393 light sensors to activate four relays sequentially using an Arduino Mega. It was built as an experiment and a stepping stone toward a laser target system. Components Used LM393 LDR Light Sensor Module https://s.click.aliexpress.com/e/_c3GuNWvn Laser Module https://s.click.aliexpress.com/e/_c3k7E58h ...
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