ePulse Feather C6 – An ESP32-C6 development board with Adafruit Feather form factor, LiPo battery support

ThingPulse ePulse Feather C6 is a new ESP32-C6 development board with WiFi 6, BLE5, Zigbee, Thread, and Matter connectivity that follows the Adafruit Feather form factor and supports LiPo battery charging through a charger IC and a fuel gauge.

Just like its predecessor called ePulse Feather, the ePulse Feather C6 is optimized for low power consumption but replaces an ESP32-WROVER-E-N8R8 module but an ESP32-C6-MINI-1 with a 802.15.4 radio for Zigbee, Thread, and Matter, as well as 2.4 GHz WiFi 6 and Bluetooth 5.3 LE connectivity.

ePulse Feather C6

ePulse Feather C6 specifications:

  • Wireless module – ESP32-C6-MINI-1
    • SoC – ESP32-C6H4 32-bit RISC-V microprocessor up to 160 MHz with 320KB ROM, 512KB HP SRAM, 16KB LP SRAM, 4MB flash
    • Wireless – 2.4 GHz WiFi 6 with Target Wake Time (TWT) support, Bluetooth 5.3 LE and Mesh, 802.15.4 radio with Zigbee, Thread, and Matter
    • PCB Antenna
  • USB – 1x USB Type-C port for power/charging and programming
  • Expansion – 12-pin + 16-pin headers with up to 17x GPIOs, 2x USB pins, 1x fuel guage pin
  • Power management
    • Supply Voltage
      • 5V via USB-C port
      • 3.3 to 6V via Vin pin
    • XC6220B33 LDO
    • LiPo battery support via 2-pin JST connector
    • TP4065 charging IC and MAX17048 fuel gauge
  • Power Consumption – Deep sleep: around 18uA above 3.3V or about 33uA below 3.3V
  • Dimensions – PCB: 50.8 x 24.4mm; with ESP32-C6-MINI-1 and USB-C port: 57.4 x 24.4mm (Adafruit Feather and breadboard compatible)
  • Weight – About 12 grams
  • Certifications – FCC and CE

Thingpulse ePulse Feather C6 pinout diagram

Another change compared to the previous ePulse Feather board is that it does not include an external UART chip for programming. as ESP32-C6 handles that directly through the USB-C data lines connected to pins 12 and 13. ThingPulse does not provide any software as the board can be programmed as a standard ESP32 C6 Dev Module with the ESP-IDF or Arduino IDE and most of its differentiating features are hardware-related. You’ll find the PDF schematics, STEP file, and pinout diagram on GitHub.

ESP32-C6 breadboard compatible board

ThingPulse is selling the ePulse Feather C6 board for $14.95 on its online store, but they also told us CNX Software readers can get a 15% discount with the coupon code cnx-feather-c6 bring the price down to $12.70 before shipping.

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4 months ago

I know that the ESP32-C6 is recently supported on Espressif’s IDF environment, but I don’t yet see that it is supported on Arduino or VSCode on either Arduino or Espressif’s PlatformIO. If I’m wrong, can you please tell me how to enable the ePulse Feather C6?

4 months ago

Coupon code not valid :<(

4 months ago

Correction, it is working you need to update cart to see it. Thanks!!

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