Hacktuber | Making Auto Timer for Soldering Iron (You need this Gadget) @Hacktuber | Uploaded October 2023 | Updated October 2024, 3 hours ago.
This is part 2 of making auto timer for soldering iron,this device prevent from forgetting your iron to be power on for long time.
The schematic you can find in video take a screenshoot.
The main electronic component is 555 timer IC that works as monostable multivibrator,meaning that you can trigger the circuit and reset.

You can watch part 1 (555 Timer Relay with Power ON and Reset Function)
youtu.be/Er3YTNaFkTk

Making BIG 555 chip video youtu.be/l_99ipfyZVw