LED blink and LCD count-up by Raspberry Pi Pico's timer function. - YouTube
Stopwatch Using Raspberry Pi Pico - Electric Diy Lab
Add An OSHW Certified Stopwatch To Your Toolkit | Hackaday
FuMu: Slotcar Stopwatch mit Raspberry Pi - YouTube
Raspberry Pi Three-in-one Timer: Clock + Countdown Timer + Stopwatch | Raspberry Pi | Maker Pro
Edgar Neukirchner on Twitter: "Running a #qt stopwatch program on # RaspberryPi with #pitft capacitive touch display. http://t.co/fgHRECGi02" / Twitter
Digital Stopwatch – Page 2 – Microcontroller Based Projects
Stopwatch Using Raspberry Pi Pico - Electric Diy Lab