Tag Archive: electronics

IR Transmitter and Receiver

This is an IR transmitter / receiver circuit I’ve made to control my TV, amplifier etc from my computer. It was made using a cheap Arduino clone, an IR module and an IR LED. The receiver can read most infrared remote controllers, independent of which protocol they may use.

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Servo tester by 555 timer

I needed a servo tester for my workshop, to have at hand whenever I change servo horns or need to see if a servo is dead. I decided to use a 555 timer to do this.

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BrontoBoard

This post describes the making of a USB programmable microcontroller board using the atmega16u4 microcontroller. This is the board I’m currently using to control the BrontoBot.

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Using LDO as an adjustable voltage supply

I came across this Low DropOut voltage chip and figured I would use it as an adjustable voltage source. All it required was a trimpot, a capacitor and a resistor.

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Nintendo 64 controller on AVR

I went on my regular trip to the dumpster the other day, and found no less than two Nintendo 64 controllers. It’s time to connect them to a microcontroller!

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Playstation 2 Controller on Atmega168

This entry describes using a PlayStation 2 Dual Shock controller on an Atmega168 microcontroller. This will enable me to use it for robot control in the future.

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Electronic Sheep

The electronic sheep is a plastic sheep fitted with a rgb-led inside. It can show colors in various patterns, and the electronics also supports adding a servo motor for moving the head. I will describe the works and making of the electronics and code. This is a good beginners project for using an Atmel microcontroller.

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8×8 LED Matrix

This article describes a project using an AVR microcontroller to control an 8×8 LED Matrix. The matrix is programmed to display text, either by scrolling or by blinking one letter at the time.

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