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NFC (Near Field Communications) is a way for two devices very close to each other to communicate
DAC Click is an accessory board in mikroBUS form factor
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LR30X Datasheet
R711 Netvox LoRaWAN Wireless Indoor Temperature Humidity Sensor Camera-Image NFC (Near Field Communications) isR711 Netvox LoRaWAN Wireless Indoor Temperature Humidity Sensor Netvox R711, mainly used to detect the indoor air temperature and humidity, collects the data and sends it to other devices for display through the wireless network communication module. The wireless communication meets standard LoRaWAN Protocol (Class A). Frequency Range: AU915 928AS923 Features: Compatible With LoRaWAN Protocol 2 X 1. 5V AA Alkaline Battery Reports Battery Voltage,