Using a Bluetooth Feather and a diffused NeoPixel strip, build a lightbox to aid in writing and tracing.
Overview Circuit Playground Bluefruit NeoPixel Animation and
Bluetooth Controlled NeoPixel Christmas Tree : 5 Steps - Instructables
NeoPixel Driver BFF Add-On - LED driver - for QT Py and Xiao
The Circuit, Bluetooth Controlled NeoPixel Lightbox
Overview, PyLeap BLE Controlled NeoPixels with CLUE
Overview Easy No-Soldering Bluetooth Controlled Room Lights
GATT, Introduction to Bluetooth Low Energy
Overview, Adafruit NeoSlider
Overview, TRON DISC
Building Metro Control Box WiFi-Controlled NeoPixel Matrix LED
Overview, Bluetooth Controlled NeoPixel Headphones
Use, Bluetooth Controlled NeoPixel Lightbox
Control Ws2812 Neopixel LED STRIP Over Bluetooth Using Arduino Uno
Getting Started with BLE and CircuitPython, Adafruit ItsyBitsy nRF52840 Express
Overview, Bluetooth Controlled NeoPixel Lightbox