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Modbus Gateway 4xRS: Modbus RTU/TCP Gateway
Board also contains TFT Color Display MI0283QT-9A with 320x240px resolution
[USR-VCOM] Virtual Serial Software V3
The fire sensor included captures the siren sound from your existing devices and sends push notifications to your and family members’ smartphones
light weight module
SparkFun ESP32 Thing Power Control Shield RAK WisBlock Modbus Gateway 4xRS: Modbus RTU/TCPSparkFun ESP32 Thing Power Control Shield The SparkFun ESP32 Thing Power Control Shield enables the ESP32 Thing to switch up to 5A of a DC load, providing a wide variety of options to control your next project! With a default voltage range of 528VDC, power can be connected to this shield in one of two ways. The first is the barrel connector, but with a maximum current rating of 2. 5A (designed for light loads). The second option is on the 3 pin screw