The MAX485 module enables long-distance RS485 communication for Arduino, supporting up to 1.2 km range, 32-device networking, low-power use, and simple 2-pin wiring.
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IoT SoCs / Wireless Modules
HC-12 433 SI4463 Wireless Serial Module
The HC-12 433MHz RF UART Module delivers long-range wireless communication with 100 channels, up to 1 km range, and reliable SiLabs SI4463 performance. Its compact design, dual antennas, and easy UART interface make it ideal for IoT sensors and wireless control applications.
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IoT Development Boards
LILYGO T-Call V1.4 IoT Board with ESP32 and SIM800L GSM Module
A compact IoT board combining LILYGO’s ESP32 WiFi/Bluetooth system with the SIM800L GSM module for SMS, cellular data, and remote IoT connectivity. Includes a SIM card slot and supports easy sensor and cloud integration.
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