Microcontroller

You want to use a constant current driver and not just a microcontroller.

• In order to maintain a constant level of brightness.

Use protoboard and sot-23 breakout boards to mount everything and that would give a lot of brightness in a small package.

Hoop-Trix build your own hoop

• generic led controller: Ebay
• $4.50

Arduino Pro Mini

• https://docs.arduino.cc/retired/boards/arduino-pro-mini/
• saw off side pins
• rxi - recieve input, used for data in
• tx0 - used to transfer data to strip

Close to 1/2 in width:

https://www.seeedstudio.com/Seeed-XIAO-ESP32C3-p-5431.html

• $4.99
• Wi-Fi and Bluetooth 5.0

https://www.adafruit.com/product/3500

• $8.95

Microcontrollers

• https://www.microchip.com/en-us/product/attiny4 **
• https://www.hackerstore.nl/Artikel/265
• atm328 controller pins
• https://docs.arduino.cc/retired/boards/arduino-duemilanove/
• https://www.nxp.com/part/MK20DX256VLH7
• https://forum.pjrc.com/index.php?threads/tiniest-teensy.33347/