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16-Channel Relay Module Board with optocoupler Resistance to Temperature Heltec ESP32 LoRaWAN library (a

USD325.00

USD357.00

SKU 49375806412 · ★ 4.1

Pay in 4 interest-free payments of $81.25 Learn more

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Ships within 48 hours · Estimated delivery Oct 27 - Nov 1

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Description

16 Channel Relay Module Board with optocoupler Resistance to Temperature Heltec ESP32 LoRaWAN library (a Heltec ESP32 LoRaWAN library (a standard LoRaWAN protocol library provide by Heltec Automation The module can be used for 3

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