Dimmer: Schematic Source code I made this project for Leo, a brother of mine. We had an old remote control of a video recorder laying around and he wanted some dimmers for all the lights in his house. I didn’t have much experience with programming microcontrollers at that time but I was willing to start something …
Door Opener: Schematic Source code I made this little project for Hans, yet another brother of mine. (I have 5 brothers.) He had a garage door to control and bought a little RF transmitter and receiver to control his door. Leo made a nice cabinet with relays to control the 400V 800VA motor. They turned to …
Beamer Control: Schematic Source code I made this project for Henk. He has a beamer for watching movies and a motor controlled screen. The purpose of this project is very simple. If he turns his beamer on, the screen must to down. And if the beamer turns of, the screen must go up again. This …
At the moment I do not have a kitchen timer. Not because I do not want one, (they’re cheap enough to buy) but because it seems impossible to buy a kitchen timer with a decent user interface. That means I have to build my own, which I just the kind of stuff I like. The …
I usually drink a lot of tea, and sometimes the tea tastes a lot better than average, which means that most times I make tea I fail at least partially. The taste of the tea depends on a lot of variables: The make of the tea. I buy my tea at Simon Levelt and they have approximately …
This LED candle is built to mimic the look of a traditional candle without the dangers associated with an open flame. It uses high brightness LED and is controlled by ATtiny85. It could be useful as movie props where you cannot afford to have a candle go out during a take or in your home in places …
This device can be used to remotely control the speed of an AC fan and to switch it on or off. The remote control is a cheap NEC Format remote, usually supplied with small DVD players. Three buttons are used to command the circuit. The UP key increase the fan’s speed while the DOWN key decrease …
Remote Controlled Fan Regulator using ATmega8 microcontroller Read More »
Timers are widely used in industrial and domestic application for automating tasks. Microcontrollers can be used to design versatile and accurate timers with ease. Here I present a simple timer that can be used to turn on/off a load after user specified time. The Timer uses a standard 16×2 lcd module for user interface (UI). User can set the …
With all the details on a circuit different from that to which the shared a marquee computer control program atmel at90s2313 source software image format you have the source schema and pcb, orcad drawings. Marquee on a circuit different from that to which Marquee in 350 LEDs used micro-controller atmel at90s2313 led 7 74hc595 are apparently taking the pc …
Computer controlled marquee at90s2313 74hc595 using atmega Read More »
This is a means of testing AC mains operated circuits at variable AC voltages, and it also provides isolation to allow safe measurements of that circuit. A fused isolation transformer and a variable auto transformer connected together in a grounded, fire safe box. What more could you ask? Find updates at www.projects.cappels.org Introduction I need to …
An Isolated Adjustable Auto transformer using microcontroller using atmega Read More »
