Fresh hacks every day
[Rajendra Bhatt] writes in to let us know about a nice simple IR bounce tachometer. The project uses a startUSB for PIC board and a 16×2 character LCD with a very basic Infrared bounce circuit. Measuring either a reflective or non reflective spot in the rotating object, in this case a bit of white paper, the micro is supposedly … Read the rest
[Chris] thinks that using your brain to control your trigger finger is a passé way of operating a toy firearm. Instead, he’s using his mind to fire foam bullets at whatever he thinks needs to pretend-die. To read his will, he’s chosen the Neurosky MindWave, a device that we just looked at for servo control. That hack shows how … Read the rest
[Jerry] recently got a shiny new DSLR camera and was looking to do something with the old Pentax DSLR it replaced. Having performed a few point and shoot IR conversions in the past, he was pretty confident he could tackle this conversion without too much trouble.
He located the service manual for the camera and got busy taking it … Read the rest
Calculators are a handy tool to have around in just about every application. We often take them for granted today, but even when I was a kid they were still sort of expensive devices that you put thought into buying. Illustrating just how far we have come is this awesome Relay Calculator brought to us by [Team 619].
Featuring an … Read the rest
We always like musical hacks at hackaday, so we were pleased to see the team at [Beat707] come out with their Beat707 MIDI groove box.
The Beat707 takes it’s inspiration from the venerable Roland TR-707. Like the Roland, the Beat707 can save songs and has MIDI In and Out. Unlike the TR-707, the Beat707 doesn’t have an audio out … Read the rest
Adafruit forum member [Stephanie] embarked on a mission to replace the thermostat in her home with one that was far more robust and full of electronic goodies.
Her goal was to build a networked thermostat that allowed for 2-way communications between the base station and any other networked device, such as her laptop or iPhone. She wanted to not … Read the rest
[Juan Jose Chong] put together a set of videos and a PDF guide to milling printed circuit boards. You’ll find the pair of videos, totaling about twenty-two minutes, embedded after the break. In them, [Jaun] details the techniques used by the IEEE chapter at Texas Tech University to mill PCBs instead of using the traditional method of etching them. … Read the rest
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