Category Archives: open source

OpenHardwareExG: An open source platform for ECG, EEG, EMG, ENG, and EOG signal processing

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OpenHardwareExG,  An open source platform for ECG, EEG, EMG, ENG, and EOG signal processing: The OpenHardwareExG is a platform for ECG, EEG, EMG, ENG, EOG, and evoked potential applications. The OpenHardwareExG platform was originally developed as part of the eeg-mouse … Read more

Analysing 433 Mhz transmitters with RTL-SDR

Yashin has posted this tutorial at ArcanumX demonstrating how to read and decode 433 MHz digital data transmissions. “I intend to demonstrate how the RTL-SDR can be used to sniff 433 Mhz transmitters. These are pretty cheap and can be … Read more

Digital audio amplifier with PLL synthesized FM radio

Another open source hardware project by Dilshan Jayakody the digital audio amplifier with PLL synthesized FM radio: This is high quality stereo digital audio amplifier with PLL synthesized FM radio receiver. Some of the high level specifications of this receiver are listed in … Read more

Build an Arduino based sonic pest repeller

Just in time for Summer, here’s a design for a sonic pest repeller. Carla Schroder developed this project which uses an Arduino Uno along with the WAVE shield and a Maxbotix ultrasonic rangefinder. This simple yet reportedly effective design senses … Read more

Tutorial: power line communications

Andrianakis Haris produced this detailed article while completing a thesis toward a B.Sc in Department of Electronic Computer Systems Engineer at Technological Education Institute of Piraeus, Greece. “Power line comnunication (PLC) is the technology that allows data transmission over the … Read more