MaxiScan MS300 ODB II Reader Teardown
I bought an ODB II code reader to diagnose a check engine light problem of my car. The reader I […]
Driving 8-Bit Parallel DAC Using STM32F4-Discovery GPIO
I finally got some time to play with the STM32F4-Discovery board I received last year. As for any microcontrollers, learning […]
Best Use of Cheap Webcams
A few of weeks ago, I wrote about a couple of cheap webcams I bought from Amazon. Since the focal […]
The Dreaded “Cannot connect to ST-LINK!” Error Message
I got an STM32F4-Discovery board a while ago, but have not had much time to play with it. So the […]
Code For MCP4821/MCP4822
Microchip‘s MCP4821/MCP4822 is a low budget 12-bit digital-to-analog converter. MCP4821 is the single channel version whereas MCP4822 has two channels […]
Inoperative By Design
I recently bought two cheap webcams on Amazon and was planning to do some experiments with a dual webcam configuration. […]
MSP-EXP430G2 I2C Master Examples
Last week, I mentioned that in order for the I2C bus to function correctly when using the MSP430 Launchpad you […]
MSP-EXP430G2 I2C Issue Resolved
I was experimenting with I2C using my TI MSP-EXP430G2 Launchpad and ran into some issues. For a while, I could […]
Digital Metronome — Revisited
Last year, I wrote about a simple digital metronome project. While the device worked pretty well there are a few […]
SchmartBoard — First Impressions
For a lot of electronics enthusiasts and DIYers, hand-soldering SMT components can be a great challenge. And given the trend […]
Simple Zener Diode Tester
In this post I will show you a simple Zenner diode tester circuit, when coupled with a PWM generator it […]
Arduino Library For MCP342X
Last time, I discussed how to interface TI’s ADS1112 16-bit delta-sigma A/D converter with Arduino. Today I am going to […]
Interfacing ADS1112 With Arduino
ADS1112 is a 16-bit delta-sigma A/D converter. This A/D chip has an I2C interface, a 2.048V internal voltage reference and […]
Featured Engineer on EEWeb
I was interviewed by EEWeb a few weeks ago, and the interview is featured in today’s Featured Engineer column. In […]
5A Lab Power Supply With Digital Readout
I got a used 250VA power transformer that was removed from equipment a couple of weeks ago. The transformer has […]