{"title":"Adafruit \"My Little Hacker\" ESP32-S2 Development Board","handle":"adafruit-my-little-hacker-esp32-s2-development-board","url":"/products/adafruit-my-little-hacker-esp32-s2-development-board","description":"The Adafruit \"My Little Hacker\" is an ESP32-S2 development board designed for audio playback projects with Wi-Fi connectivity. It combines an ESP32-S2 module (Wi-Fi, 4 MB flash, 2 MB PSRAM) with a microSD card slot for storing audio files and an I2S amplifier that drives speakers up to 3 W — making it a self-contained audio player with wireless capabilities.\n\nPowered by 2× AA batteries via an on-board boost converter (with automatic switchover to USB-C when connected), it's built for portable use. Five NeoPixel LEDs add colourful lighting effects, and a STEMMA QT port provides easy I2C expansion for sensors, displays, and other peripherals.\n\nKey Features\n\n\nESP32-S2 Module – Wi-Fi connectivity, 4 MB flash, 2 MB PSRAM\n\nI2S Audio Amplifier – Drives 4 or 8 Ω speakers up to 3 W\n\nMicroSD Card Slot – For storing audio files of any length\n\n5× NeoPixel LEDs – Full-colour addressable lighting effects\n\nUSB Type-C – For programming, debugging, and power\n\nBattery Powered – Boost converter runs from 2× AA batteries with USB-C switchover\n\nSTEMMA QT Port – I2C connector for sensors, displays, and peripherals\n\n\nIdeal For\n\nWi-Fi connected audio players and sound effects boxes\nPortable music and notification devices\nInteractive props with lighting and sound\nIoT audio projects with sensor integration\n","vendor":"Adafruit","product_type":"physical","in_stock":false,"options":[],"variants":[{"id":1489,"title":"Default Title","sku":"AF-5742","price":1063.93,"compare_at_price":0.0,"on_sale":false,"in_stock":false,"available_quantity":0,"option1":"Default Title"}]}