#100

I compare typical soldering irons, test the power, heat-up time, temperature regulation, heat transfer, and also their usability.
Links:
Aoyue 968 A+: www.aliexpress...
907 Constant Temperature Electric Soldering Iron Lead-free 60W: bit.ly/2fGGt8A
Mustool® MT223 60W Adjustable Temperature Electric Soldering Iron (not good): bit.ly/2gaErJS
TS100 Digital OLED Programable Interface DC5525 Soldering Iron: bit.ly/2gO6q1T
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/ spiessa