Speedy Polar Alignment
Speedy Polar Alignment
SPA –  A Tool for Polar-Scope and Web-cam Many people are adding web-cams to their polar-scopes to make polar alignment easier (on their knees and [...]
PWM backlight trace. 10% on time.
Olimex 4.3 LCD A13-LCD43TS PWM backlight control
Looking at the circuit diagram for the touch screen interface board: there is an LED backlight that is intended for PWM (pulse width modulation) control [...]
Infrared Module Circuit for IR Module
The Infrared Module that I chose was a TruOpto part HRM138BB5100 available from Rapid (PN: 55-0902). I chose it for operating at 3.3V. The circuit is [...]
Linux GPIO and I2C IR module interface demo
My IR module was designed for use with an embedded Linux system. I chose the Olimex A10-OLinuXino-LIME as it looked powerful and a good starting point for [...]
Output for the IR module showing the RC5 protocol structure.
TV Remote IR decoder module using ATtiny85
The goal was to make a compact IR decoder that processes the signals from a TV-remote and gives a Linux based embedded computer the codes.