Teardown & Repair of an Agilent 54845A 1.5GHz 8GS/s Infinium Oscilloscope -...

This video gives you the basics of how to calculate and use a simple resistive current shunt with an analog panel meter to change the current that is needed for a full scale deflection. The notes page for this video can be found here. Using a Current Shunt with a Panel Meter /...

electronictechnician.wordpress.com has published a library for use SD cards in SPI completely written in C. It’s a library for use SD cards in SPI mode with uControllers, entirely written in C. This library can work with SD cards and also has the possibility to emulate the behavior...

moamindustries.com hacked an Omron RS8 blood pressure cuff by adding a UART interface to it. As part of a prototype developed 12 months ago I was tasked with reading measurements from a blood pressure cuff [sphygmomanometer] in real time. Not surprisingly there are no consumer level...

WISP, the Wireless Identification and Sensing Platform, is a family of sensors that are powered and read by UHF RFID readers. WISP, the Wireless Identification and Sensing Platform, is a family of sensors that are powered and read by UHF RFID readers. WISPs do not require batteries...

Bob hacked a home weather station transmitter and made a home thermometer from it. He writes: Recently I've found this piece of electronic on the dumpster, it was looking interesting - compact case with battery holder, LCD display, temperature and humidity sensor. It has also radio...

Tiny stereo audio amplifier board has been designed around SMD TDA7266D IC from ST. The TDA7266D is a dual bridge amplifier specially designed for Portable Audio, LCD TV/Monitor, PC Motherboard, and TV applications. This circuit provides high quality audio output of 3W approx. on each...

In this article "Rui Santos" shows us how to configure Raspberry Pi as server and use it to toggle two LEDs over the internet. In this project you’ll create a standalone web server with a Raspberry Pi that can toggle two LEDs. You can replace those LEDs with any output (like a...