Wemos mini MATRIX LED Shield example
A new shield for the Wemos Mini came my way recently, this is called the MATRIX LED Shield - You can find out more...
Wemos and 4051 LED example
The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages.
The HCF4051 analog multiplexer/demultiplexer...
ESP8266 and LM75 temperature sensor example
The LM75 temperature sensor includes a delta-sigma analog-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface...
Read and write to the eeprom on the ESP8266
Description
The ESP8266 has 512 bytes of internal EEPROM, this could be useful if you need to store some settings, such as an IP address...
ESP8266 and BMP280 sensor example
BMP280 is an absolute barometric pressure sensor especially designed for mobile applications. The sensor module is housed in an extremely compact package. Its small...
ESP8266 and Ambient light Shield example
This was another new shield for the Wemos called the Ambient light Shield , this time its based around the BH1750FVI digital Ambient Light Sensor
Lets...
MQ3 Gas Sensor example
The MQ3 Gas Sensor module is useful for gas leakage detection (in home and industry). It is suitable for detecting Alcohol, Benzine, CH4, Hexane, LPG,...
The Wemos PIR shield
A new wemos shield and this time its based on a passive infrared sensor
An overview of a PIR
A passive infrared sensor (PIR sensor) is...
Wemos HMC5883L example
The Honeywell HMC5883L is a surface-mount, multi-chip module designed for low-field magnetic sensing with a digital interface for applications such as lowcost compassing and...
SHT20 temperature and humidity sensor and ESP8266
The SHT2x series consists of a low-cost version with the SHT20 humidity sensor. the SHT2x provides calibrated, linearized sensor signals in digital, I2C format....
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...
Using a MMC5603 Triple-axis Magnetometer sensor with an ESP8266
In this article we look at a Triple-axis Magnetometer, the MMC5603 and connect it to an ESP8266 board - a Wemos D1 Mini pro...
Wemos Mini Ws2812B example
In this example we connect a Wemos Ws2812B RGB shield to a Wemos mini, we will then loop through red, green and blue colors
The...
Wemos and Max6675 example
In this example we take a look at the MAX6675 Cold-Junction-Compensated K-Thermocouple-to-Digital Converter
The MAX6675 performs cold-junction compensation and digitizes the signal from a type-K thermocouple....
Wemos RGB led example
In this example we will connect an RGB led to our Wemos MIni, lets look at RGB leds first
RGB LEDs consist of one red,...
Wemos and Soil Moisture Sensor example
In this article, we are going to interface a Soil moisture sensor with an ESP8266. This sensor measures the volumetric content of water inside...