Παιχνιδιάρικος σωρός Αμεμπτος 20 21 pins energy meter arduino pulse Η φυσικη Συνειδητός υποθήκη
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contest] My 12 input high precision pulse counter (kWh/ W) | MySensors Forum
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I'm trying to power a LoRa ESP32 board (SX1276) for a letterbox sensor. The board is in deep sleep until triggered by a pin change (door sensor), sends LoRa message, then returns