While working on my Udacity Android Developer Nanodegree recently I ran into an issue with the widget that was required as a part of a course project design. The app being developed was a recipe app and part of the requirements …
The STM32 range of Microcontrollers have a built in bootloader that may be used to update the firmware running on the MCU. Depending upon the STM32 variant being used this update may be done using a USART, USB, or SPI …
Once again I find that the best technology doesn’t always prevail. In the mid-1970s Sony launched the Betamax video format into the consumer marketplace and the “Videotape Wars” began; in spite of the superior quality of the video recordings made …
As a part of my Grow with Google Nanodegree I submitted my latest project for review yesterday. Imagine my surprise this morning when the reviewer rejected it because it crashed on startup. How could that be? I mean, if it …
The Black Magic Debug Probe (BMP) v2.1 was launched through a Kickstarter campaign. It is an Open Hardware, Open Source device that enables attachment of a source-level debug tool to an embedded Cortex-M MCU using either JTAG or SWD. The …
Currently, I am taking a Udacity Android Developer Nanodegree after receiving a Grow with Google Scholarship. My current project for the course is the first stage of an app enabling the user to browse The Movie Database (TMDb) for movies. …
I am a long-time user of source code management tools, for many years I used Microsoft Visual SourceSafe (VSS). I tried several times to understand and use Git but found the learning curve rather steep and went back to my …
Just received the first two pre-production prototypes of the Wireless Debug Probe (WDBP) from MacroFab. After initial inspection and power-up I am so far very pleased with the quality of the work done. There are a few firmware issues to …
For several decades I have designed, built, and tested my own PCBs for several products/projects. During all of that time I made use of traditional “through-hole” mounting components. Beyond the schematic capture and PCB design software no special tools were …
In my previous post I wrote about interrupts and atomic operations in embedded systems. After getting bitten myself with just such an issue I thought I would write about the details of what I just experienced on my current project. …