Raspberry Pi designs its own MCU with $4 Pico board
Raspberry Pi has designed its own MCU and launched a new $4 board based on the new MCU, the Raspberry…
Surprises in C code
The C language is quite flexible and expressive; these are some of the reasons why it has been successful and…
Reduce Costs in the Long Run: Use the same qualified parts for both positive & negative output DC-to-DC converters
This article shows how to use the same components—an IC controller and power train—in two very different topologies: a common…
Ray tracing levels aims for clarity with imaging graphics SoCs
With more imaging graphics SoCs using ray tracing acceleration, Imagination Technologies has developed a Ray Tracing Levels system to help…
Spade lugs and screw terminals eliminate wiring rat’s nest
Completely redoing wiring with old-fashioned, low-tech connectors may sometimes be the smartest decision...
Consumer connectors get ruggedized
To take advantage of the popularity of mass-market consumer connectors, vendors are now offering ruggedized versions for industrial and other…
DIY Laser Virtual Floor Marker
This article presents basic design ideas for laser virtual floor markers using inexpensive and readily available components...
DIY Non Contact Hand Sanitizer Dispenser — Pro Version
In the second version of the hand sanitizer dispenser device, I'd like to introduce a device with no sensitivity to…
Monolithic switching regulator—when everything is on a chip
Monolithic switching regulators offer an additional, lesser-known advantage with respect to EMI. How high this interference is and how it…
Lightbar and siren design illustrates tradeoff challenges
Every engineering design requires tradeoffs and compromises among its many parameters; some are obvious but many are not...