[Patman2700] has a nice scope for his paintball gun that uses a red dot instead of cross-hairs. The problem is that he kept forgetting to turn it off which ended up running the batteries down ...

C&K has launched that rarest of things, a tact push-button switch with change-over contacts – which means it offers a normally-closed option too. Not only that, but the 6.0 x 6.1 x 3.45mm ‘TLSM’ ...

This is an improved version of Anthony Smith’s designs for a latch on/latch off switch (see the whole series below). The new design switches a 120VAC load, and includes several much-needed details on ...

The Adafruit Push-button Power Switch is a tidy little design that lets you control a DC power source using an everyday tactile button. The breakout uses a latching analog circuit that is triggered by ...

Foremost Electronics has introduced a new man-machine interface solution. The TFT128 ScreenKey is a push button switch with a built-in full colour, high resolution TFT graphics display. The display is ...