Arduino Nano Board R3 with CH340 chip (soldered pin) Witty Fox 3.7V 1000mAh Li-Ion Battery Up/Down Counting - Directional count
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Arduino Nano Board R3 with CH340 chip (soldered pin) Witty Fox 3.7V 1000mAh Li Ion Battery Up Down Counting Directional count Up Down Counting Directional count control Easy Installation Pre cut Learning & Education Sensor networks