Case in point: [Brian Lough]’s latest project, which he dubs “CYD,” for the “cheap yellow display” that ... a 320×480 resistive touch screen, and niceties like USB and an SD card ...

The current generation of USB-powered soldering irons have a lot ... one that this capacitive-touch replacement control module aims to fix. The iron in question is an SJ1 from Awgem, which ...