Restarting an ESP32 via Telegram
Whoops, quite a long time with no posts! Apologies for that, but it’s been a busier-than-usual year at Haaga-Helia UAS … More Restarting an ESP32 via Telegram
All articles in ESP32 development board
GPS-equipped portable atmospheric recorder, with LCD and map display
NOTE – all code you see here is in better, complete form at my GitHub page. As I have returned … More GPS-equipped portable atmospheric recorder, with LCD and map display
Spotify song display with ESP32 and e-paper display
One day, entirely without active pleading on my part, I was handed an Amazon Echo Dot device. I wasn’t aware … More Spotify song display with ESP32 and e-paper display
Time Management Cube
So, this academic year is already well down the road, and I haven’t blogged in a while. To make up … More Time Management Cube
Humidity and temperature data on IoT
It’s been a while since my last post, apologies for that. It must be that the corona restrictions also make … More Humidity and temperature data on IoT
The Donald Duck hypnotizing machine with IoT
Note – the full code is available on my GitHub page, so I will only illustrate portions of it here. … More The Donald Duck hypnotizing machine with IoT
Using the UDP protocol with an ESP32 and Android Studio, Part 4
I gather that you have already seen part 1, part 2, and part 3, and are just as surprised as … More Using the UDP protocol with an ESP32 and Android Studio, Part 4
Using the UDP protocol with an ESP32 and Android Studio, Part 3
In the previous episodes of this trilogy, I showed you the general idea of using UDP (User Datagram Protocol) to … More Using the UDP protocol with an ESP32 and Android Studio, Part 3
Using the UDP protocol with an ESP32 and Android Studio, Part 2
In the first episode of this three part saga, I gave you a basic overview of the workflow when working … More Using the UDP protocol with an ESP32 and Android Studio, Part 2
How to use the Heltec OLED display on the ESP32
Heltec is a Chinese company that makes all kinds of SoC (system on a chip) devices. Their ESP32-based SoCs appear … More How to use the Heltec OLED display on the ESP32