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and a high-quality I2S audio amplifier
giving this board strong range potential for routers and field nodes
access systems
📡 Integrated LoRa SX1262 for efficient long-range communication
M5Stack Unit DCSSR M5-U140 ESP32-C3 Single-phase DC SSR Relay GPS and a high-quality I2S audioDescription The M5Stack Unit DCSSR M5 U140 is a DC to DC single phase solid state relay controller kit for switching DC loads with fast, quiet, contactless relay control. This M5Stack Single phase DC SSR Unit combines a single phase solid state relay with an ESP32 C3 core control board, giving embedded projects a compact DC SSR module with button control, I2C slave control, and RS485 Modbus networking. Compared with a traditional mechanical relay, the
