As it happens, Haaga-Helia University of Applied Sciences has a full-fledged studio for our communication students and other needs related … More Video insert length indicator with large LED segment displays and ESP32
As you may recall, I had a post on the large (10 cm or 4″) 7 segment display earlier, when … More Home made large 7 segment LED display
Okay, I thought the series on 7 segment LED displays would run into three parts, but it has turned out … More Using 7 Segment LED displays, Part 4 – dual quadruple units
This part concludes my foray into segmented LEDs. Part 1 showed you how to work with single digits, part 2 … More Using 7 Segment LED displays, Part 3
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
It’s been quite a long while since I wrote last. Things have been moving rather fast and far since the … More The all new 3D + Robo Lab
As you have seen, I’ve been fooling around with segmented LED displays of late. It occurred to me that I … More Interlude – LED Segment calculator
In the previous post I showed how to build a single digit display using one 7 segment LED unit. That’s … More Using 7 Segment LED displays, Part 2
LED displays are everywhere, and for good reasons. They are very legible, they cost next to nothing, and they are … More Using 7 Segment LED displays, Part 1