Blog

Using WebUSB to facilitate Functional Circuit Test (FCT) Data Capture

2026-06-24T15:40:31Z

Table of Contents 1. Introduction 2. Using existing USB to TTL Converters with a Python desktop application 3. Using WebUSB and a browser webpage 3.1 Overview of WebUSB 3.1.1 Embedded Device / Firmware Perspective 3.1.2 Web API Perspective ...(read more)

MSPM0 analogue front-end: general purpose amp as buffer for ADC

2026-06-22T19:11:33Z

The MSPM0 has a general purpose amp (GPAMP). It's an internal OpAmp that, for example, can buffer a signal for the ADC without external components. That's an example that I'm trying out in this post. Roughly based on the Resource Explorer g...(read more)

How to Work with MSPM0 Microcontrollers... and Build a Peripheral Expander / Processor Companion!

2026-06-11T22:35:04Z

The MSPM0 microcontrollers are very low-cost, and friendly to use (lots of documentation and examples). For a project, I was using an ESP32, but I ran out of UARTs! Ordinarily I would have considered purchasing I2C to UART chips, but I'm ...(read more)

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)