Here is a simple but inexpensive inverter for using a small soldering iron (25W, 35W, etc) In the absence of mains supply. It uses eight transistors and a few resistors and capacitors. Transistors Q1 ...

The image of the electrical engineer or hacker bent over and using a soldering iron on a circuit board is a classic visual cliché on TV and movies (Figure 1). Figure 1 The electrical engineer working ...

I've got a Bosch dishwasher that, like many Bosch dishwashers loves to melt the solder off the heater relay and requires repair every 12-18 months. (Bosch dishwasher engineers are completely ...

How creative are you when you make your circuit boards? Do you hunt around for different materials to use for the board? As long as it’s an insulator and can handle the heat of a soldering iron, then ...