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20 Hour $20 Table Top Arcade Build With Hundreds of Games Built In.
POV Display With Wireless Power!
Instructables Hit Counter (ESP8266-01)
The ATtiny85 works just fine with the "PIR sensor tester" code. I used a HC-SR505 motion sensor, 3 bright white LEDs and a streamlined black case for the project. Power is supplied by 2 AA batteries which get a boost from a 0.9v-5v DC-to-DC voltage booster.