Basic low cost YouTube Subscriber Display.
Shows your current number of subcribers and total channel view count. It's built around a low cost Wemos D1 micro controller and a dot matrix display module. With built in WiFi it only requires a USB connection for power once complete. The total build cost is around £15 / $18.
Full Step-by-Step Guide: Youtube Subcriber Counter by DIY Machines: https://youtu.be/QWaVYCVoqbc
3D Files: https://www.thingiverse.com/thing:3444779
Light hood (for brightly lit rooms):https://www.etsy.com/uk/listing/1077980540
Hardware:
■ Wemos D1: https://geni.us/wemosD1
■ MAX7219 Display Matrix: https://geni.us/MAX7219DotMatrix
■ Mini Breadboard: http://geni.us/MiniBreadboard
■ Breadboard Jumper Cables: http://geni.us/JumperWires
■ USB A to USB Micro B Cable: http://geni.us/USBAtoUSBB
■ Nuts and Bolts: http://geni.us/NutsAndBolts