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Witty Fox SI7021 Humidity Temperature Sensor Breakout Board RFID Access Control Door Lock 5% Coin Speed <= 3 5% Coin Speed <= 3 coins per second Programming Method Sample coin teach in via onboard button Interface 3 pin connector (VCC Tilt & Swivel Joint: Adjustable hinge at the SMA base allows precise angle positioning for optimal signal orientation 3V 5V compatible Current Consumption ~150uA (active) Accuracy Humidity + 3% RH Accuracy Temperature + 0 DIY electronics experimentation
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