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ESP32LR20 WIFI 2 x 16A relays hub displays Freewheel speed @ 12V: 29 Texas Instruments DRV8837 DRV8838 Freewheel speed @ 12V: 29 rpm RF output power can be adjusted to achieve the best balance among communication distance Control Protocols: Simple plain text commands sent to the module A built in webpage
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US$ 50.90
US$ 27.90