I built a multi-controlled relay board for my electronics workbench. It can be controlled by web interface, HTTP GET, websocket, MQTT, UART (4pin JST header on top) and USB/serial. It

Some of you may remember [this PSU](https://www.reddit.com/r/electronics/comments/16xqj54/i_built_myself_the_most_cute_power_supply_you/) I made a while ago. Well, as I mentioned in that post, I figured I could make a variable one with a voltage

400 µF capacitor, 1906 View Reddit by 1Davide – View Source

That moment when you don’t have a 50k ohm resistor View Reddit by travisharms – View Source

PCBs? We don’t need no stinking PCBs! View Reddit by 1Davide – View Source

Folks, I present: My new favourite bodge job! View Reddit by avrovulcanxh607 – View Source

Light emitting resistors View Reddit by Comfortable_Bank6611 – View Source

This used to be a food dehydrator, now it’s a parts dryer full of reusable desiccant. Contacts melted out of the strip that turned a 1200 watt halogen bulb on

What do i do? View Reddit by mom546w – View Source

This IC is part of a RTS intercom panel. Model KP-4016, used in broadcasting. Getting garbled audio on the headset output. Pretty sure it’s a audio amplifier of some type.