Heikki Hietala's Projects
Arduino core for the ESP32
How to make a revolution counter using a switch, an LCD display and an Arduino
This repository contains all you need to have a distance sensor's reading shown on an LCD display.
This repository shows you how to build a digital clock using an ESP32 and a MAX7219 dual four digit LED display
How to run a motor two ways with a web user interface
How to create a analog/digital NTP clock using the HELTEC ESP32 OLED WIFI board
A combination of ESP32 and an Android app to send UDP datagrams to the ESP32, versions with and without an OLED display on the ESP32
The ESP32-UD_pAndroid project with much edited and improved codebase by Anders Kahlauge (eguahlak in Github)
How to build a box with GPS location sensor, LCD display, BMP280 temperature and atmospheric pressure sensor, and show it all on an OpenStreetMap map
How to build a countdown timer using 4 inch / 10 cm tall 7 segment LED displays
This project enables you to build a system that communicates in morse code and both reads messages off the Web and writes data on when it was triggered.
This device allows you to monitor five ultrasound sensors and find out the length of the queue. MicroPython, ESP32, HC-SR04, LCD display, and Internet connection.
How to show the song on Spotify with ESP32 and e-paper display
This device can show the remaining length of an insert in LCD and LED displays