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PhotogateV2 ESP32 Optical Timer

By Marcio Bulla · Example build · 6 views · 0 remixes

A classroom photogate: an infrared beam, an LM393 comparator and an ESP32 time pendulums, falling objects and carts and show the results on a 20 × 4 LCD

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Estimated parts cost

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Difficulty

Moderate

Parts

1 part · 1 pcs

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