Electronut Labs
  • Home
  • Blog
  • Books
  • Products
  • About
  • Contact
Electronut Labs
  • Home
  • Blog
  • Books
  • Products
  • About
  • Contact
TwitterLinkedInEmail
© 2025 Mahesh Venkitachalam | Electronut
All Posts Blog

Driving SK9822 LEDs with the Raspberry Pi Pico PIO

Avatar for Mahesh VenkitachalamMahesh VenkitachalamJanuary 24, 2025
I’ve had a Sipeed I2S mic array board for a while now, and I am just starting to play with...Read More

Mico: A PDM to USB microphone based on the Raspberry Pi RP2040

Avatar for Mahesh VenkitachalamMahesh VenkitachalamDecember 20, 2021
Earlier this year, I was doing audio experiments with Machine Learning (ML) on the Raspberry Pi, and was looking for a compact USB...Read More

Simple Audio Recognition on a Raspberry Pi using Machine Learning (I2S, TensorFlow Lite)

Avatar for Mahesh VenkitachalamMahesh VenkitachalamJanuary 17, 2021
We can keep talking about the imminent emergence of all-knowing AI, or how best we should train ourselves to serve our future silicon-based...Read More

iCE Bling FPGA – Beautiful LED Earrings with Lattice iCE40

Avatar for Mahesh VenkitachalamMahesh VenkitachalamMay 22, 2019
It’s the same story every year. At the horizon is a loved one’s birthday, or an anniversary, and I want to make them something special. Buying...Read More

Getting Started with Zephyr RTOS on Nordic nRF52832 hackaBLE

Avatar for Mahesh VenkitachalamMahesh VenkitachalamFebruary 21, 2019
I worked for almost two decades in the software industry. In the early 2000s, I was developing applications on Windows, Linux, and various flavours...Read More

Nordic nRF52840 QR Code based Thread Commissioning

Avatar for Mahesh VenkitachalamMahesh VenkitachalamAugust 15, 2018
I recently wrote about using Thread and MQTT-SN on the Nordic nRF52840 multiprotocol SoC. One thing I did not cover in detail is Thread...Read More

Playing with Thread and MQTT-SN on Nordic nRF52840

Avatar for Mahesh VenkitachalamMahesh VenkitachalamAugust 11, 2018
IoT is in the air. Impossible to surf the web in peace without tripping over some gushy article on billions of devices connecting to the Internet....Read More

STM32 Returns – System Workbench, STM32Cube, C++, FreeRTOS, MAX7219 and Conway’s Game of Life

Avatar for Mahesh VenkitachalamMahesh VenkitachalamOctober 29, 2017
Last year, I had written about my experience of getting started with STM32 microcontrollers. There was (and still is) a bewildering number of...Read More

Driving WS2812B LEDs using I2S on the Nordic nRF52832 BLE SoC

Avatar for Mahesh VenkitachalamMahesh VenkitachalamAugust 18, 2017
It’s hard not to like a project with blinking LEDs. Red, Green, Blue, Yellow,… and then there are RGB LEDs where you have three lines to control...Read More

Bluey Beacon – Building a Nordic nRF52832 BLE IoT Sensor Beacon

Avatar for Mahesh VenkitachalamMahesh VenkitachalamJuly 9, 2017
In this project, we’re going to build a BLE Beacon that transmits temperature, humidity and ambient light levels to a dashboard on the...Read More

Getting Started with STM32 ARM Cortex-M3 using GCC (STM32F103, NUCLEO-F103RB)

Avatar for Mahesh VenkitachalamMahesh VenkitachalamOctober 17, 2016
My first introduction to microcontrollers was via the Arduino platform. But I soon started digging a little deeper and got into (8-bit) AVR...Read More

A Desk Drawer Protector Using ESP8266

Avatar for Mahesh VenkitachalamMahesh VenkitachalamSeptember 2, 2016
I am slightly (just a teeny bit, I assure you) obsessed with my desk drawer and the arrangement of the contents therein. When I am in dire need of my...Read More

IoT Triad Part II – Mobile (Cordova), Device (nRF51822) and a bit of Cloud (ThingSpeak)

Avatar for Mahesh VenkitachalamMahesh VenkitachalamJune 4, 2016
Last year, I had written a rather ponderous article on the Device part of the IoT triad consisting of Device, Mobile and Cloud. This time, I want...Read More

Getting Started with Atmel ATtiny10

Avatar for Mahesh VenkitachalamMahesh VenkitachalamMarch 17, 2016
I like Atmel tinyAVRs because they are tiny computers that I can (almost) wrap my head around. The Atmel ATtiny4/5/9/10 are the cheapest...Read More

All Roads Lead to Shenzhen (for Electronics)

Avatar for Mahesh VenkitachalamMahesh VenkitachalamJanuary 17, 2016
This is a brief account of my four day visit in January 2016 to Shenzhen, China. Due to my unfamiliarity with the language and brevity of the trip, this...Read More

Talking to MMA7660 using I2C and ATtiny85

Avatar for Mahesh VenkitachalamMahesh VenkitachalamDecember 22, 2015
I was introduced to Atmel tinyAVRs a few years ago, soon after I started playing around with the Arduino platform. Now, here was a computer...Read More

Hacking a Cheap LED Lamp with nRF51822

Avatar for Mahesh VenkitachalamMahesh VenkitachalamNovember 9, 2015
Diwali (or deepavali, the Indian festival of lights) is just around the corner, and in addition to stuffing myself with unhealthy snacks and scaring...Read More

BLEBot – nRF51822 based BLE Robot

Avatar for Mahesh VenkitachalamMahesh VenkitachalamOctober 12, 2015
In this project, we will build a two-wheeled robot based on the Nordic nRF51822 BLE SoC. Motor control for the two wheels of the robot will...Read More

Touch Activated Blinky Badge

Avatar for Mahesh VenkitachalamMahesh VenkitachalamSeptember 25, 2015
I wanted to create a simple project to teach soldering and electronics to kids (10+ years) and beginners. I first thought of a simple two transistor...Read More

Motor Control over BLE with nRF51822 and TB6612FNG

Avatar for Mahesh VenkitachalamMahesh VenkitachalamAugust 5, 2015
In this project, we will control two motors over BLE using the Nordic nRF51-DK. To do this, we will use a motor driver based on the Toshiba...Read More

Why You Should Document Your Project

Avatar for Mahesh VenkitachalamMahesh VenkitachalamAugust 2, 2015
I have learned much from the work of others. And much of that learning came about because those people put in the effort to document their work on the...Read More

Posts pagination

1 2 3

Follow

Books

© 2025 Mahesh Venkitachalam | Electronut Labs