ESP8266 displaying a QR code on an OLED display
In this example we will display a QR code on an OLED display with an ESP8266, in this case a Wemos mini. This will...
ESP8266 and MCP23017 example
The is a 16-bit, general purpose parallel I/O port expander for I2C bus applications.
The 16-bit I/O port functionally consists of two 8-bit ports (PORTA...
Wemos Mini and I2C LCD example
Sometimes a nice big LCD is useful for your projects, in this example we will interface to an I2C LCD using our ESP32. Now...
ESP8266 and BMI160 sensor example
The BMI160 is a small, low power, low noise 16-bit inertial measurement unit designed for use in mobile applications like augmented reality or indoor...
ESP8266 and TCS34725 Color Sensor
The TCS3472 device provides a digital return of red, green, blue (RGB), and clear light sensing values. An IR blocking filter, integrated on-chip and...
ESP8266 and MLX90393 magnetic field sensor example
The MLX90393 magnetic field sensor can be reprogrammed to different modes and with different settings at run-time. The sensor offers a 16-bit output proportional...
ESP8266 and DS1624 sensor example
The DS1624 consists of two separate functional units: a 256-byte nonvolatile E2 memory and a direct-to-digital temperature sensor.
The nonvolatile memory is made up of...
A basic NodeMCU and Simba OS example
Ok, I had heard of Simba OS but hadn't managed to try it, as quoted "2Simba is an RTOS and build framework. It aims...
ESP32 specific site started and other news
We decided to eventually register a domain name and setup a site dedicated to the ESP32 - http://www.esp32learning.com , we will keep our existing couple of...
X1 shield ESp8266 OLED learning kit
More ill advised purchases from far eastern electronics sites, you bet. This is another collection of ESP8266 boards and shields that I acquired, on...
A D-Duino or a Wemos actually its neither
This was an interesting board that I bought, I had been looking at D-Duino's for a while wanting to buy them for a couple...
A look at the ESPDUINO-32 board
In this article we look at an ESP32 based board which goes by the name of ESPDUINO-32, it is also supposedly made by www.doit.am....
Micropython and ESP32 blink an led
In this example we will use Micropython on an ESP32, the tool I will use is called uPyCraft which makes the task easy
You will...
A basic ESP32 Web server example
In this example we will create a basic web server with an ESP32, we will then serve a we page with an on and...
Blink an LED with NodeMCU
In this example we simple flash an LED connected to a nodemcu (esp8266) board. We will use lua for this example.
You will need a...
Basic analog test example for an ESP32 board
This is a very basic example for the ESP32 board, the only reason for this is to show that unlike the ESP8266 boards the...