One part I'm not sure about is how to replace some momentary switches on the front with external switches I bought. I will be hand soldering this, and I don't want to fry the circuit board.

Using the Toner-Transfer and Etch method for making prototype circuit boards is fairly common. One downside to this process is that any holes still need to be drilled. [Giorgos] hand drills boards … ...

As a demonstration of the Espurna board in a real application, he’s produced a smart socket project neatly enclosed in a wall-wart style box with an inbuilt Euro style plug and socket.

Here is a simple capacitive touch switch circuit for electronics hobbyists. Even though the circuit uses smd components, construction of the touch sensor switch is not very hard because the whole ...

For larger targets, the RACON 12 switches measure 12-mm square and have an operating force of 3.5N with a travel of 0.8 mm. Price for either series is $0.53 for a surface-mount version and $0.48 ...

Enter Ototo —a pocket-sized circuit board in the mold of the Arduino and MaKey MaKey that was was designed to be a "musical invention kit" and helps kids build bespoke electronic instruments ...