Controlling an RGB LED matrix via Web Bluetooth on Blip nRF52840 dev board

From electronut.in 3 years ago in Blogs

In the coming months, we are planning to launch our new nRF52840 based development board named Blip. I thought it would be interesting to do something visually and use Bluetooth in the process. For peoples who are curious about what blip is, It is a development board for Bluetooth Low...

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

From electronut.in 1 year ago in Blogs

Introduction You know a technology is maturing when there is an abundance of jokes about it on the internet. Source: https://xkcd.com/1838/ We can keep talking about the imminent emergence of all-knowing AI, or how best we should train ourselves to...

Workflow for using Linux on Xilinx Zynq to access IP using UIO

From electronut.in 2 years ago in Blogs

If like me, you're a newbie to FPGAs, and SoC FPGAs from Xilinx, the complexity of running an application talking to your IP from Linux can be quite daunting. I started by using petalinux from Xilinx to try and use...

Vibration Analysis with Blip

From electronut.in 2 years ago in Blogs

In the midst of launching our crowd supply campaign for nRF52840 based board Blip, we decided to do a project with it which will show some of its capabilities. Blip is a development board for Bluetooth Low Energy (BLE) and...

iCE Bling – Making LED Earrings with an FPGA

From electronut.in 3 years ago in Blogs

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 something won’t do. Oh no, I have to design and build it myself. I...

Developing Mobile Apps for BLE devices

From electronut.in 3 years ago in Blogs

Developing a BLE application requires a lot of domain specific knowledge. You need to learn a lot of languages that target specific platforms. Eg. Java or Kotlin for Android Native Application development, or Objective C or Swift for IOS development....

Getting Started with Zephyr RTOS on Nordic nRF52832 hackaBLE

From electronut.in 3 years ago in Blogs

Introduction I worked for almost two decades in the software industry. In the early 2000s, I was developing applications on Windows, Linux, and various flavours of Unix. On the Windows side, we had Microsoft Visual Studio, MFC, NMake, and CL....

Using hackaBLE with Arduino

From electronut.in 3 years ago in Blogs

If you are planning to buy a Bluetooth Low Energy (BLE) board or want to incorporate BLE functionality in your product, then hackaBLE could be a great candidate for the job! hackaBLE is a tiny Open Source Nordic nRF52832 based...

GPS tracking device with NRF52840 blip

From electronut.in 3 years ago in Blogs

Last weekend, my colleagues and I decided to go on a trek to Kudremukh peak in the Western Ghats. We thought, how about recording the GPS data throughout the trek. We quickly assembled a GPS module with our upcoming board...

Bare Metal ARM Programming on Nordic nRF52832 BLE SoC

From electronut.in 3 years ago in Blogs

This post will have enough information to help someone understand the startup code and all the intermediate files present in a C project for a microcontroller. This will be explained through a minimal blinky example that pulls no external dependencies....

Nordic nRF52840 QR Code based Thread Commissioning

From electronut.in 3 years ago in Blogs

Introduction 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 Commisioning – a secure process by which a device joins a Thread network. I side-stepped...