Month: May 2007

Vents for project cases

Vents for project cases

Vanya writes – For most of the electronics projects I build for fun (power supplies, function generators, code keyers, 555 timer circuits, etc.), I usually just head to the local Radio Shack and buy one of their cheap plastic project cases. Unfortunately, these cases don’t have vents or fan ports, a desirable feature to have […]

DIY Speaker stands

DIY Speaker stands

Chris writes – I’ve recently been building out my home theater system. One thing that’s always difficult, especially in an apartment without a dedicated TV or home theater room, is where to place your speakers. Traditionally you’ll wall-mount them or put them on speaker stands. But wall mounting isn’t a good option for me, since […]

Breath powered USB charger

Breath powered USB charger

Jmengel made a GREAT USB charger, powered by breathing! He writes – Are you breathing? Do you have a gadget that can be charged via a USB port? Well if you answered yes to both, then you are in luck. This instructable shows how to make a device that will charge your USB-capable devices while […]

The Retractable alarm clock

The Retractable alarm clock

Colleen and Vincent’s AVR based alarm clock (source included) — Alarm clocks are essential in almost everyone’s daily life. For most of us, we start our day to the sweet noise of our alarms. While some people wake up instantaneously to the first chirp of an alarm, some struggle everyday to get out of the […]