July 24, 2007

Control Large Loads with the TTL Output of a Microcontroller
Electronic Hacks

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When building projects using a microcontroller there will come a time when you need to drive a load that exceeds the raw current capability of the device. Eric Wolf wrote a BJT Transistor article that will demonstrate how this can be done. “As you may or may not already know, typical TTL logic outputs on microcontrollers run in the range of 4.5 – 5.5 volts. Some microcontrollers, such as the

Wii Telescope Control
Computer Hacks

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  Kingjamez wanted a simple way to control his telescope. A Wiimote and some software ended up being the perfect solution for his automated telescope project. “At the Howard Astro League star party last night, I was showing off the moon to kids through a video camera. I wanted to pan around the moon to show the kids different parts of the surface. Since I was using EQMOD with no