I got a flip dot display from the viewer and the chat let me build an oscilloscope out of that within a livestream. We were successful and I continued to design a driver board to make it nice...
Sponsor: https://aisler.net/

Project files: https://github.com/bitluni/FlippyFlip
My live streaming channel:    / @bitlunilive  

Links to parts and tools (affiliate links):
ESP32 Mini Microcontroller ($8): https://aliexpress.bitluni.net/ESP32mini
PWM Expansion ($3.5) : https://aliexpress.bitluni.net/pwm
Variable Power Supply ($12): https://aliexpress.bitluni.net/kjsPSU
Soldering iron MiniWare TS80P ($90): https://aliexpress.bitluni.net/TS80P
My camera and lens (4k 60fps): https://amazon.bitluni.net/gh5
Zoom H6 Audio Recorder: https://amazon.bitluni.net/h6

0:00 Intro
1:59 First prototype
6:35 PCB design
8:14 Assembly fun
10:42 Results, Case and Done

Patreon:   / bitluni  
Paypal: https://paypal.me/bitluni
Channel membership:    / @bitlunislab  
Github Sponsors: https://github.com/sponsors/bitluni
Tindie store: https://www.tindie.com/stores/bitluni

Twitter: @bitluni
reddit: u/bitluni
Discord: https://link.bitluni.net/discord

Music:
Jeremy Blake - Powerup!
Quincas Moreira - Sparse Clouds
#electronics #flipdot #diy