Circuit Breakers are awesome! These use electromagnets to trigger them!
YouTube Tutorial:
Electromagnets: https://www.aliexpress.com/item/33032365546.html?spm=a2g0o.order_list.0.0.21ef1802ZSI6MR
⬇Free downloads: https://github.com/CaptainBobSim/The-Cessna-172-Project-V3
Visit the Website: http://captainbobsim.com
Support the Cessna 172 Project/Channel on Patreon or PayPal:
https://www.patreon.com/Captain_Bob
https://www.paypal.com/donate/?business=H4MLB9GPEUEX4&item_name=Cessna+172+Project
The author hasn't provided the model origin yet.