Arduino Dev PCB Using Seeed Fusion PCB Service
I have been mainly using perf-boards for my electronics projects. Since most of the stuff I build are not very […]
Hex/Bin/Dec Converter And Calculator — Updated
Based on some user feedback, I have updated the Hex/Bin/Dec converter and calculator I created a couple of years ago. […]
MCP2210 Library — SPI EEPROM
So far, I have shown examples of using the open source MCP2210 library with MCP2210 GPIO, MCP23S08 and TC77 temperature […]
MCP2210 Library — SPI Example Using MCP23S08
I made a few minor tweaks to the open source MCP2210 library during the past few days, and had also […]
Finicky MCP2210 Oscillator
Over the past couple of weeks, I had been busy playing with Microchip‘s MCP2210 USB to SPI converter. I was […]
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 Issue Resolved
I was experimenting with I2C using my TI MSP-EXP430G2 Launchpad and ran into some issues. For a while, I could […]
SchmartBoard — First Impressions
For a lot of electronics enthusiasts and DIYers, hand-soldering SMT components can be a great challenge. And given the trend […]
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 […]
MSP430G2 DCO Frequencies
MSP430 LaunchPad (MSP-EXP430G2) is compatible with many of the TI‘s Value Line series of microcontrollers. For these MCUs, both the […]