Adafruit
Adafruit ESP32-C6 Feather - STEMMA QT
· MPN: ADA5933
The Adafruit ESP32-C6 Feather is built around Espressif's first Wi-Fi 6 SoC, combining 2.4 GHz Wi-Fi 6, Bluetooth 5 (LE), and 802.15.4 (Zigbee/Thread) in a s...
The Adafruit ESP32-C6 Feather is built around Espressif's first Wi-Fi 6 SoC, combining 2.4 GHz Wi-Fi 6, Bluetooth 5 (LE), and 802.15.4 (Zigbee/Thread) in a single chip. The addition of 802.15.4 support makes it well-suited for Matter development and smart home applications.
This Feather includes LiPo battery charging and monitoring via the MAX17048 fuel gauge, a NeoPixel, a STEMMA QT port, and an on-board BME280 sensor for temperature, humidity, and pressure readings right out of the box. A secondary low-quiescent LDO allows you to disable the I2C bus and NeoPixel for ultra-low-power operation.
Key Features
- ESP32-C6 SoC – Wi-Fi 6 (2.4 GHz), Bluetooth 5 LE, and 802.15.4 (Zigbee/Thread)
- On-Board BME280 – Built-in temperature, humidity, and barometric pressure sensor
- MAX17048 Fuel Gauge – LiPo battery voltage and charge monitoring over I2C
- LiPo Charging – Built-in battery charging via USB
- Ultra-Low-Power Mode – Secondary LDO to disable I2C and NeoPixel for minimal power draw
- NeoPixel – On-board addressable RGB LED
- STEMMA QT / Qwiic – I2C connector for solderless sensor and accessory connections
- Feather Form Factor – Compatible with the full range of FeatherWings
Also Available
- ESP32 Feather V2 (classic ESP32, 8 MB flash + 2 MB PSRAM)
- ESP32-S2 Feather (2 MB PSRAM, STEMMA QT)
- ESP32-S3 Feather (dual-core, STEMMA QT)
Ideal For
- Matter and smart home device development
- Zigbee and Thread mesh networking projects
- Low-power IoT environmental monitoring
- Wi-Fi 6 connected sensor nodes
Package Contents
- 1× Adafruit ESP32-C6 Feather – STEMMA QT
Jargon buster
Plain-language definitions for the technical terms used above.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- IoT
- Short for Internet of Things, meaning physical devices that connect to networks or the internet to send data or be controlled remotely. It matters if you want projects such as connected sensors, remote controls or classroom data-logging activities.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- LiPo
- A lithium polymer rechargeable battery commonly used in portable electronics projects. It matters because LiPo batteries need correct charging circuitry and care, and this board includes hardware intended for that battery type.
- Matter
- A smart home connectivity standard designed to let devices work across different ecosystems. It matters if you want a project to integrate more easily with platforms such as Apple Home, Google Home, or other Matter-compatible systems.
- MAX17048
- A battery fuel-gauge chip that estimates how much charge is left in a LiPo battery. It matters for portable projects because your software can monitor battery level instead of only measuring voltage.
- NeoPixel
- A type of addressable LED system where colour data is sent along a single digital data line from one LED or controller to the next. Compatibility matters because the timing and signal format must match for the lights or driver board to respond correctly.
- Qwiic
- Qwiic is a plug-in connector system for I2C devices that uses small 4-pin cables, so you can connect compatible sensors without soldering. It matters because your controller or adapter also needs Qwiic, or you will need a cable or breakout to wire it up.
- RGB
- Short for red, green and blue, usually referring to an LED that can mix those three colours. It matters because controlling an RGB LED teaches how separate outputs combine to create different colours.
- STEMMA
- A plug-and-cable connection system used on some maker electronics boards to make wiring simpler. If a product uses STEMMA, you need the matching cable or connector type to plug it in without soldering.
- STEMMA QT
- A small plug-in connector system for I2C boards that lets you connect compatible sensors and controllers without soldering. It matters because it can make wiring faster and less error-prone, especially when adding several small modules to a project.
- Thread
- A low-power wireless mesh networking standard designed for smart home and IoT devices. It matters because Thread devices can relay messages through each other, helping build reliable networks for sensors and controllers.
- Wi-Fi 6
- A newer Wi-Fi standard that can improve speed, range, and efficiency compared with older Wi-Fi versions. It matters for projects that need reliable wireless networking, especially where many devices share the same network.
- Zigbee
- A low-power wireless standard commonly used by smart home sensors, switches, and lights. It matters if you want the board to communicate with Zigbee devices or act as part of a home automation network.
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