Wemos webserver example

In this example we will create a basic webserver example using our Wemos, it will connect to your Wifi network and then you will...

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...

AM2320 temperature and humidity sensor and ESP8266 example

Temperature and humidity combined sensor AM2320 digital temperature and humidity sensor is a digital signal output has been calibrated. Using special temperature and humidity...

WS2812B RGB SHIELD for WeMos D1 mini examples

In this example we look at a new wemos shield (for us anyway), this is called the RGB shield and as you might expect...

ESP8266 and MMA8452 accelerometer example

In this example we will connect a MMA8452Q accelerometer  to an ESP8266 - as usual it's a Wemos Mini Lets look at the sensor The MMA8452Q is a...

Wemos and LX1972 light sensor example

The LX1972 is a low cost silicon light sensor with spectral response that closely emulates the human eye. Patented circuitry produces peak spectral response...

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...

A look at various ESP specific APIs

  Description Some ESP-specific APIs related to deep sleep, RTC and flash memories are available in the ESP object. These may be useful, we have already...

I2C Scanner

This is a basic example which will display via the serial monitor the address of any devices connected to your Wemos. Its the same as...

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....

ESP8266 SHT30 shield I2C code example

This example uses the same Wemos SHt30 shield or one of the variants on the internet but tis time we don't use a library,...

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...

Wemos Mini WS2812b example

The WS2812 family is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050...
ESP8266 and TSL2591 layout

TSL2591 light-to-digital converter and ESP8266 example

In this article we look at another light-to-digital converter - this time its the TSL2591 and we will connect it to a Wemos Mini First...

ESP8266 and RFID-RC522 module example

In this example we will connect an RFID-RC522 module and connect to a Wemos Mini The microcontroller and card reader uses SPI for communication ....

Wemos and PCF8591 example

The PCF8591 is a monolithically integrated, and a separate power supply, low-power, 8-bit CMOS data acquisition devices. The PCF8591 has the four analog inputs,...