M5Stack C6L Unit for Meshtastic (SX1262, ESP32-C6)

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Unit C6L is a highly integrated LoRa communication device, built around the Stamp C6LoRa module featuring the ESP32-C6 as its core controller. It integrates the SX1262 LoRa transce iver and RF switch circuitry, supporting a wide 868 ~ 923 MHz frequency range for robust wireless communication. This unit comes with a 0.66" OLED monochrome display, a programmable RGB LED, a buzzer, and a user button — offering intuitive human-machine interaction. Whether you're connecting to the Meshtastic network or building your own LoRa-based applications, Unit C6L enables rapid deployment of private networks — perfect for remote monitoring, outdoor exploration, and emergency communication scenarios. On the hardware side, it features dual SMA antenna ports for 2.4 GHz Wi-Fi 6 and LoRa, ensuring strong and scalable wireless performance. It also includes an AW32901FCR over-voltage protection chip for enhanced stability. With its HY2.0-4P expansion interface and LEGO-compatible mounting holes, you can easily expand with sensors or modules to build your own smart applications. Features Supports Meshtastic ESP32-C6 RISC-V core controller 2.4 GHz Wi-Fi 6 support SX1262 LoRa transceiver LoRa frequency: 868 ~ 923 MHz Programmable RGB LED (WS2812C) 0.66" OLED display (64×48, SSD1306) Human-machine interaction: Buzzer User button Integrated AW32901FCR over-voltage protection HY2.0-4P expansion interface LEGO-compatible mounting holes Application Scenarios Smart agriculture Industrial monitoring Outdoor communication Technical Specifications Specification Parameter SoC ESP32-C6 (RISC-V 32-bit high-performance @160MHz + low-power core @20MHz) Flash 16MB Display 0.66" OLED, 64×48, SSD1306 LoRa SX1262 Antenna Specs Wi-Fi: 84mm, 2.4GHz, 3dBi gainLoRa: 108mm, 868MHz, 3dBi gain Max LoRa TX Power +22dBm Power Consumption Sleep (HY2.0-4P): 696.86µASleep (USB-C): 866.42µARX standby: 85.18mATX max: 80.02mA LoRa RX Sensitivity -147 dBm Power Input DC 5V (USB Type-C) RGB LED 1 × WS2812C Product Size 62.0 × 24.0 × 8.0 mm (excluding antenna) Product Weight 13.6g (excluding antenna) Package Size 102.0 × 43.0 × 11.5 mm Gross Weight 38.6g Learn More & Documentation View Full Documentation Download Mode To flash firmware, connect the device to a computer via a USB Type-C data cable, press and hold the side reset button for 3 seconds until the green light turns red. At this point, the device enters download mode and is ready for flashing. What's in the Box 1 × Unit C6L 1 × 2.4 GHz SMA whip antenna 1 × 868 MHz SMA whip antenna 1 × HY2.0-4P Grove Cable (20cm) Schematics Unit C6L Schematics PDF Stamp C6LoRa Schematics PDF PinMap Stamp C6LoRa ESP32-C6 G21 G22 G20 G23 G19 G7 SX1262 MOSI MISO SCK CS BUSY IRQ ESP32-C6 G8 G10 G3 ESP_RST PI4IOE5V6408 SCL SDA INT RST PI4IOE5V6408 E0.P5 E0.P6 E0.P7 SX1262 SX_LNA_EN SX_ANT_SW SX_NRST OLED ESP32-C6 G6 G21 G20 G18 G15 SSD1306 CS MOSI SCK DC RST HMI ESP32-C6 G11 G2 Buzzer BEEP RGB LED LED_DAT PI4IOE5V6408 P0 SYS_KEY1 INPUT USB ESP32-C6 G13 G12 USB USB_D+ USB_D- HY2.0-4P HY2.0-4P Black Red Yellow White PORT.A GND 5V G5 G4 Model Size Unit C6L Model Size PDF Datasheets SX1262 ESP32-C6 Softwares Quick Start Using Meshtastic via Unit C6L Arduino Unit C6L Arduino Quick Start Show more