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a well-known 8bit I/O expander with a serial interface
Mounting hole size: 3
The micro:bit project is managed by the micro:bit Educational Foundation
This allows for near-autonomous operation of the device
RA0711 Netvox LoRaWAN Wireless Liquid Level Sensor Frequency:AS923 MHz a well-known 8bit I/O expanderRA0711 Netvox LoRaWAN Wireless Liquid Level Sensor The RA0711 is a wireless communication device that detects the depth of liquid. RA0711 detects the depth of liquid in the container. The wireless liquid level sensor uses a solid state, continuous (multilevel) fluid level sensor for measuring levels in water, non corrosive water based liquids and dry fluids (powders). The communication is fully compatible with LoRaWAN Protocol (Class A). Features:
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