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 ...

Low-current, momentary action pushbutton switches, such as PCB-mount ‘tactile’ types, are cheap, and available in an abundance of different styles. Latching types, on the other hand, are often larger, ...

The first step is to connect the push button switch to the four GPIO pins on your Raspberry Pi. Here’s how to do it: 1. Connect one jumper wire to the first GPIO pin on your Raspberry Pi (pin 2). 2.

The push-button interfaces from JUNG offer an optimum solution for the integration of sensors and switches in the KNX system. Building owners benefit from more security and energy efficiency. Thanks ...

[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 ...

[Glen]’s project sounds perfectly straightforward: have a big industrial-style push button act as a one-key USB keyboard. He could have hacked something together in any number of ways, but instead he ...