Blog

Using SWD with ARM Microcontrollers: An Introduction to Firmware Programming and Debugging!

2026-06-03T16:53:29Z

Table of Contents Introduction What Problems are Being Solved? What are Debug Probes and Serial Wire Debug (SWD)? Protocol Engines: Proprietary vs CMSIS-DAP Which Protocol Engine Should You Use? OpenOCD: What Is It? Obtaining OpenOCD Board Conne...(read more)

DexoPad — phone-as-keyboard-and-mouse for any USB host (ESP32-S3 + BLE, on Kickstarter)

2026-05-28T17:16:32Z

The problem that started this Every developer hits this eventually: you have a computer that needs typing into, and the keyboard situation is wrong. Your laptop hard-crashed mid-task, and the only way out is a BIOS reset — but you don't ha...(read more)

Programming a TI MSPM0 Microcontroller via USB UART

2026-05-25T15:48:00Z

Table of Contents Introduction Obtain a USB-UART Adapter Wire It Up! Obtain the MSPM0 Programmer Software Procedure Summary Further Reading Introduction The Texas Instruments MSPM0 series (PDF MSPM0 Product Portfolio) of microcontrollers a...(read more)

push a data table to MSPM0L DAC with DMA

2026-05-25T10:08:04Z

The DMA engine of the MSPM0 can move data between memory locations. In this example, a table of data is DMA-moved to the data register of the onboard 8-bit DAC. The name of the example in TI resource explorer is dac8_dma_function_generator....(read more)

DMA move a table in memory with MSPM0

2026-05-23T13:43:13Z

The DMA engine of the MSPM0 can move data between memory locations. In this example, a table of data is DMA-moved to address locations in SRAM. The name of the example in TI resource explorer is dma_table_transfer. DMA is set up in extended data...(read more)

Microsoft Releases Source Code for DOS 1.0

2026-05-13T18:39:23Z

Developing a DOS operating system in the early days. (Image Credit: Rich Cini/Microsoft) Microsoft has been making its early operating system code available to the public over the past few years. In 2018, the tech giant open-sourced MS-DOS 1.25 and...(read more)

New Operating System for the Z80 CPU - WOW

2026-04-17T17:58:53Z

Scott Baker’s RC2014 system featuring the Z80, CompactFlash, floppy, VFD, ACIA, and speech synthesizer. (Image Credit: Scott Baker) We all know the Z80 system has a long list of operating systems available, and now, there’s another one. ...(read more)

ESP32 Cheap Yellow Display (CYD) Guide with a Jellyfish example

2026-03-29T18:15:16Z

Table of Contents Introduction CYD Features Board Dimensions / Technical Drawing Is It Any Good? CYD Connections Reference RGB LED Micro SD Socket UART and BOOT pin Audio Output Spare Input/Output Connections Touch Interface TFT Screen, Backlight ...(read more)

Wide 3D-Printed Breadboard Can Fit MCUs with No Wasted Pins

2026-03-19T20:36:55Z

Ludwin created four versions of the 3D-printed wide breadboard for different microcontrollers. (Image Credit: Ludwin) I love this. A brilliant idea. And, I so want these. Breadboards are useful for testing electronic projects. But they can’t s...(read more)

Arduino Launches New Board Integrated With AI - VENTUNO Q

2026-03-10T05:47:32Z

The Arduino VENTUNO Q SBC is perfect for robotics development. (Image Credit: Arduino) Arduino recently announced the launch of a new single-board computer, the Arduino VENTUNO Q, which combines AI with real-time control. It features the Qualcomm Dr...(read more)

I wrote a hands-on Raspberry Pi Pico 2 project book — free review copies for embedded developers

2026-03-03T20:10:00Z

Hi everyone,I’m Michael I write embedded systems books for beginners and professionals. I recently released: Embedded Systems with Raspberry Pi Pico 2 and RP2350: Projects and Deep Dives The book is built around the Raspberry Pi Pico 2 powered ...(read more)

Infosec Developer Emulates X86 Processer Using CSS

2026-02-27T20:54:13Z

(Image Credit: Growtike/Unsplash) You might think it is impossible to emulate an x86 processor using a web-based stylesheet language. Estonia-based infosec coder Lyra Rebane managed to pull that off in CSS without using JavaScript, WASM, or any othe...(read more)

Availability of Bare-Die (KGD) MCU and Sub-GHz Transceiver (Standalone or Integrated)

2026-02-21T06:21:47Z

Hello, I am looking for a bare-die (KGD) version of an MCU (preferably Cortex-M3, M4, M33, or M7) and also a Sub-GHz RF transceiver, either standalone (TX/RX only) or with an integrated MCU. Could you please advise whether bare-di...(read more)

Researchers Build Computer That Runs on Light

2026-02-13T20:28:47Z

Illustration of the team’s light-based computer. (Image Credit: Nature (2025). DOI: 10.1038/s41586-025-09838-7) Researchers at Queen’s University have developed a light-based computer capable of performing a wide range of complex tasks, ...(read more)

Polpotronics Launches PicoIDE, An Emulator for Retro Hardware

2026-02-11T21:00:57Z

xPicoIDE emulates hard drives and CD-ROM drives,replacing physical components in a vintage PC. (Image Credit: Polpotronics/Crowd Supply) While we love our old PC parts for the nostalgia, they can stop working at any time. Computer enthusiasts would ...(read more)