Blog

ESP32 UART programming tutorial with ESP-IDF

embeddedguy

Table of Contents Blog List Introduction to UART in ESP32 References Blog List ESP32 ADC tutorial Some time ago I wrote a blog about how to use ADC (Analog to Digital) converter inside ESP32 chip. ADC is one of the very basic peripherals for an...
- 19 Feb 2025
C++ library for ST Teseo GPS - pt. 10: 3.0 release - stable

Jan Cumps

The Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver) talks UART and I2C. I developed an OO driver and parser for it.The Raspberry Pico port of that library is now ready for releas...
- 9 Feb 2025
PCB designing with Autodesk Fusion 360

embeddedguy

Most of us who like to make PCBs are familiar with Eagle CAD drawing software. I started using EAGLE when it was taught in my university during my bachelors degree. At that time I did not even realize that PCB designing skills would be very useful to...
- 18 Jan 2025
Lenovo Introduces Snapdragon Chips to its Mini Desktop PCs

Catwell

Lenovo’s ThinkCentre neo 50q mini desktop is ideal for small and medium businesses and can use up to 16GB of RAM. (Image Credit: Lenovo) Will this translate to other ARM based platforms? Recently, Qualcomm revealed plans to join the mini deskt...
- 17 Jan 2025
Google Unveils Latest Capabilities of Its Willow Quantum Chip

Catwell

Google’s Willow quantum chip can perform a mathematical problem in less than five minutes that would otherwise take 10 septillion years. (Image Credit: Google Quantum AI) Google announced that its quantum computer chip — Willow — r...
- 6 Jan 2025
Renesas RX23E-B microcontroller: a look at the analogue front end

Jan Cumps

The Renesas RX23E-B is the second RX family member that's made for precision analogue designs. The digital part is a fairly small microcontroller. Renesas' own RX core. The analogue part is why you 'd select this device. It has most of the ...
- 1 Nov 2024
XMOS xcore.ai – Getting Started!

shabaz

Table of Contents Introduction Exploring the XK-EVK-XU316 Evaluation Board Getting Started with the Hardware Installing XTC Tools Example Code Working with VS Code Command Line Operations Example Project: GPIO Output using Port Counters Summar...
- 1 Nov 2024
Simple Speech Synthesis with a DTS33A Module

shabaz

Table of Contents Introduction Wiring Protocol Tones/Alerts Python Code Summary Introduction Since it was cheap, I randomly purchased a DTS33A module to try out. It produces both Chinese and English speech output on demand, using a UART con...
- 18 Oct 2024
Renesas Solution Starter Kit for RX23E-A - break out TIMER signals

Jan Cumps

I'm trying to generate a complementary PWM wave, with dead time, with a timer of a RX23E-A microcontroller. This signal will later be used to create an excitor signal for precision measurements. I have an evaluation board from Road te...
- 27 Sep 2024
Cerebras Launches Its AI Inference Chip With 44GB of Memory---Outperforming NVIDIA's DGX100

Catwell

(Image Credit: Cerebras) Cerebras recently developed an AI inference chip that positions itself as a competitor to NVIDIA's DGX100. It's packed with 44GB of memory—enough for it to work with AI models that have billions or even trillio...
- 25 Sep 2024
Renesas Solution Starter Kit for RX23E-A: investigation into the Load Cell application

Jan Cumps

The load cell appnote for Road test: Renesas Solution Starter Kit for RX23E-A comes with example firmware. In combination with the stater kit PC Tool, you get an example that shows how to perform load cell measurements. I rev...
- 8 Sep 2024
Making a portable, battery powered DS18B20 display unit

vmate

Recently, I started making pour-over coffee at home, and it turns out that water temperature can change the taste a lot. I don’t have a kettle that can measure temperature, so time to make something. I found a few DS18B20s with stainless steel ...
- 4 Sep 2024
C++ library for ST Teseo GPS - pt. 9: 2.0 release - stable

Jan Cumps

The Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver) talks UART and I2C. I developed an OO driver and parser for it.The Raspberry Pico port of that library is now ready for release 2....
- 1 Sep 2024
TSMC Reportedly Developing Rectangular Substrates for AI Applications

Catwell

The rectangular substrates provide 3.7x more usable area than 300mm (12-inch) round wafers. (Image credit: TSMC via LinkedIn) TSMC (Taiwan Semiconductor Manufacturing Co) is reportedly developing rectangular substrates for AI applications, according...
- 30 Aug 2024
CMake: a MACRO can simplify your Pico build

Jan Cumps

The Pico C/C++ SDK, and its examples, make extensive use of CMake. If you develop projects that use the same principles, you 'll be familiar with the CMake configuration file CMakeList.txt. A simple project, that builds a single ...
- 27 Aug 2024
Easy Programmable Analog and Digital Circuits: A First Experiment with Renesas GreenPAK

shabaz

Table of Contents Introduction QFN Adapter Board Designing Blinky Simulation Building the Circuit Using the Pi Pico as a SLG47004V Programmer Programming the GreenPAK chip Summary Introduction The Renesas GreenPAK family of integrated circuits i...
- 23 Aug 2024
Repairing a vacuum cleaner in the most complicated way (plus BQ25798 mini-review)

vmate

I have this battery powered vacuum cleaner that I quite like, but it decided to stop working.It uses 3x 18650 cells for power, and has two brushed motors, one for sucking air, the second for a rotating brush in the bottom.It can also be converted to ...
- 22 Aug 2024
C++ library for ST Teseo GPS - pt. 8: Initial Raspberry Pi port for UART read

Jan Cumps

The Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver) talks UART and I2C. I'm writing an OO driver for it, for embedded systems. In this blog, I validate if ST's example fits for UART read. Wha...
- 18 Aug 2024
C++ parser library for NMEA GPS data - pt. 4: We have C++ objects and containers: So what?

Jan Cumps

I wrote an OO driver for Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver). It knows how to retrieve info from the GPS, in NMEA format. In this series, I'm designing an OO li...
- 10 Aug 2024
C++ library for ST Teseo GPS - pt. 7: 1.0 release with NMEA parser - stable

Jan Cumps

The Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver) talks UART and I2C. I developed an OO driver and parser for it.The Raspberry Pico port is now ready for a stable release. GitHub R...
- 8 Aug 2024
Raspberry Pico C/C++ SDK - Set up C++23 capable toolchain

Jan Cumps

The Pico C/C++ SDK 1.5, when installed with the windows installer, comes with GCC version 10.3.1. That version supports C++ up to C++2a. Any GCC with version > 10 supports C++23.In this little post, I install GCC 13.3, build my project with i...
- 2 Aug 2024
C++ parser library for NMEA GPS data - pt. 3: utility class, example use and wrap-up

Jan Cumps

I wrote an OO driver for Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver). It knows how to retrieve info from the GPS, in NMEA format. In this series, I'm designing an OO lib to parse the ...
- 31 Jul 2024
C++ parser library for NMEA GPS data - pt. 2: parse replies with repeating info

Jan Cumps

I wrote an OO driver for Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver). It knows how to retrieve info from the GPS, in NMEA format. In this series, I'm designing an OO lib to parse the ...
- 30 Jul 2024
C++ parser library for NMEA GPS data - pt. 1: ideas, concepts, early design

Jan Cumps

I wrote an OO driver for Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver). It knows how to retrieve info from the GPS, in NMEA format. In this series, I'm designing an OO lib to parse the ...
- 30 Jul 2024
C++ library for ST Teseo GPS - pt. 6: running library built-in requests, and free conversations

Jan Cumps

The Teseo-LIV3 GPS module (as used in shabaz ' GPS / Galileo / BeiDou / GLONASS receiver) talks UART and I2C. I'm writing an OO driver for it, for embedded systems. In this blog, how to invoke commands and get data back: an overv...
- 24 Jul 2024