pinko @ exrockets.com has published a mini barometric altimeter based on PIC18F2553. He writes: I found on Ebay very nice, small 12v 23A battery holders for PCB mounting style and decided to fit the SMALL DIGITAL BAROMETRIC ALTIMETER just on the back of the holder. So basically...

circuitbasics.com has published a series of tutorials on the most popular communication protocols, like UART, I2C, SPI etc. Check them on the links below. Basics of UART Communication Basics of the I2C Communication Protocol Basics of the SPI Communication...

Sydney backyard inventor, JP Liew, who invented MicroView that had successfully raised USD 573,000 in 30 days on Kickstarter two years ago has just launched STEMTera Breadboard on Kickstarter, an open source invention that solves many electronic prototyping problems and aids in teaching...

17 of the most common hard switched power supply topologies and the Phase Shifted Full Bridge with the most important waveforms and equations are now available for you in an easy download-and-print option. Power Topologies Quick Reference Guide from TI -...

Radiation is always present in our lives. We can't see, taste, feel or smell it, but it exists. Excessive exposure to ionizing radiation may cause potential damage to our health. The new Dosime device helps you to track and understand radiation exposure in your environment and display...

If you are a hardware DIY enthusiast who is interested in open source hardware and want to share projects and designs, you have to learn more about Upverter.   Upverter is a web-based EDA (Electronic Design Automation) system which enables hardware engineers to design,...

Stoneslice has shared a Curve Tracer tutorial on Youtube that uses an X Y mode Oscilloscope to test components and their characteristics. Using the on-board Phase Shift Oscillator to provide the test signal, passive and active parts can be tested. These are the  components needed to...

Bob @ electrobob.com tipped us with his latest project. It's about a power supply tester. What does one do when designing a power supply? Well, build a power supply tester, of course. One of the simplest things to build is a constant current load. This will allow for testing of the...