Author: mixos

Software Defined Radio teardown: R820/RTL2832U Decap Recently there has been much interest in two integrated circuit which were originally designed to receive FM radio and DVB-T TV (as used in Europe). Some enterprising people quickly realised that since they were based on...

circuitbasics.com writes: In this tutorial, I’ll explain how to set up an LCD display on an Arduino, and show you all the functions available to program it (with examples). The display I’m using here is a 16×2 LCD display that I bought for under $10 on Amazon....

A tiny pixel font rendered to an LCD display, in under 1K program space. by Zach: For the Hackaday 1k challenge, I'm attempting to pack a small pixel-based font and rendering to LCD in under 1K. The project has already been developed in C, but the file size was much larger. This...

Jan Ostman has a nice build log on his open-source DIY touch synthesizer the Tiny-TS, that is available on Hackster.io: The Tiny TS is a credit card sized (100x65mm) fully open-sourced synthesizer with a 1-octave capacitive touch keyboard. An open-source DIY touch synthesizer -...

A scalable development kit integrates ST SensorTile with Valencell's Benchmark biometric sensor system to accelerate smart wearable and IoT product development. By Graham Prophet @ edn-europe.com Valencell (Raleigh, North Carolina) is a company active in high-performance biometric...

The H-Bridge Motor Driver Module Based on TB6549HQ IC from Toshiba, is a full-bridge driver IC for DC motors that uses an LDMOS structure for output transistors. High-efficiency drive is possible through the use of a MOS process with low ON-resistance and a PWM drive system. Four...

Dual channel Compact  Relay driver module can be controlled by feeding 2-12V trigger voltage, Very useful project for application like Micro-Controller based projects, Remote controller, Lamp on Off, and any circuits which required isolated 5A current and high voltage switching by...

Circuit Basics @ youtube writes: In this video, I go through the process of calibrating an LCD touchscreen on the Raspberry Pi. Calibrating the LCD touchscreen should be done after installing it to make it more responsive and accurate. Raspberry Pi LCD Touchscreen Calibration -...