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Tea Timer using ATTiny2313 microcontroller

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 200 different tastes of tea. Temperature of the water. Amount of tea in relation to the amount of water. The way the water is po ...

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Kitchen Timer using ATTiny2313 microcontroller

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 user interface is probably going to look like the picture. Using this timer is extremely simple: If you need an count down time of for exampl ...

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Beamer Control using attiny2313 microcontroller

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 project has some analog electronics which I salvaged from one of my old project which I didn't use any more. A curren ...

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Door Opener using ATTiny2313 microcontroller

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 me to connect those 2 together. The software consists of 2 little state machine's. 1 State machine wit ...

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Dimmer using ATTiny2313 microcontroller

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 new. The basic hardware was built within 2 weeks of spare time and I got the software working i ...

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Automate lights in your kitchen area using ATTiny84 microcontroller

This project describes an automatic light system for kitchen sink where you need sufficient light to properly clean your dishes and vegetables. It uses an ATTiny84 microcontroller with a PIR motion sensor. When motion is detected, the microcontroller turns on the light. The light source consists of 10 bright white LEDs that are driven by a IRF612 MOSFET. One advantage of using a microcontroller is you can c ...

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YAFLC (Yet Another Flickering LED Candle) using Tiny45 microcontroller

There are numerous posts on Instructables about how to make a flickering LED candle. This is my version. The project requires the following components: 1. Tiny45 AVR Microcontroller (Tiny13 would also do) 2. 1W Warm white (or yellow) LED 3. Perspex tube 4. AA or AAA size batteries- 4 (alkaline or NiMH) 5. PCB stock (or a general purpose veroboard) 6. Battery holders 7. 1/4W resistors 50 Ohm- 4 and 10K -1. 8 ...

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