FeatherS2 Neo ESP32-S2
ESP32-S2 Feather-format board by Unexpected Maker with 4MB flash, 2MB PSRAM, 5×5 RGB LED matrix, LiPo charging, and STEMMA QT — designed for colorful wearable and IoT projects.
$24.50
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Specifications
Components
5×5 grid of 25 addressable RGB LEDs with user-controlled LDO power.
Bus Interfaces
GPIO Map
Overview
The FeatherS2 Neo is an ESP32-S2 development board produced by Unexpected Maker in the popular Adafruit Feather form factor. It stands out with its integrated 5×5 addressable RGB LED matrix controlled through a dedicated user-switchable LDO regulator, making it ideal for colorful wearable projects and IoT displays without consuming main-board power when idle.
The board is built around the ESP32-S2 single-core 240 MHz processor paired with 4 MB SPI Flash and 2 MB extra PSRAM, delivering ample resources for CircuitPython, MicroPython, or Arduino projects requiring Wi-Fi connectivity. A 3D high-gain antenna handles 2.4 GHz 802.11 b/g/n communication. The 700 mA 3.3V LDO regulator, built-in LiPo battery charging with indicator LED, VBAT voltage sensing, and VBUS detection make it a complete battery-ready platform.
A STEMMA QT connector (Qwiic-compatible) provides plug-and-play I2C connectivity for sensors and peripherals. The UF2 bootloader simplifies firmware updates via drag-and-drop, and CircuitPython support is mature and well-documented. With 22 available GPIO pins and all standard Feather peripherals, the FeatherS2 Neo is compatible with a large ecosystem of FeatherWing add-on boards.
Use Cases
5Wearable
Body-worn computing devices including smartwatches, fitness bands, and health monitors.
IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
Prototyping
Rapid hardware prototyping and proof-of-concept development with breadboard-friendly form factors and accessible development environments.
LED Lighting
Smart LED strip and matrix control, NeoPixel/WS2812 driving, and addressable lighting projects.
wifi
Where to Buy
Available Software
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