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Wilo soldering pen

Overview

Can be powered by batteries.
Portable.
The OLED display shows status, preset soldering pen temperature, power, power supply voltage, and voltage drop.
Two button controls.
Automatic standby.
Sense supply voltage and peak current.
Precise regulation via PID (modified PSD controller).
The supply voltage is 5V to 18V (10-13V is optimal).
Designed to provide 2S (maximum 7.4V approximately 18W) or 3S (maximum 11.1V greater than 40W) power supply using LIPO batteries.
Calculate battery power consumption.
Heats from 25 to 400°C in 5 seconds (40W limit).
The idle current is about 8mA.

Design Files

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Update:2025-06-18 21:56:41

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RT
I also encountered the same problem
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