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...

SHTC1 digital humidity sensor and ESP8266 example

In this article we look at another digital humidity sensor - this time its the SHTC1 and we will connect it to a Wemos...

Wemos and MAX44009 ambient light sensor example

The MAX44009 ambient light sensor features an I²C digital output that is ideal for a number of portable applications such as smartphones, notebooks, and...

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...

Wemos Mini DH11 shield example

I like the Wemos Mini and when I saw that there were some shields I decided to purchase some of them, in this first...

Using a 74HC595 shift register with the Wemos

Sometimes in your projects you simply do not have enough I/O lines available, take for example a lot of the multiple LED examples, these...
esp8266 and bmm150

ESP8266 and BMM150 digital geomagnetic sensor example

In this article we look at a digital geomagnetic sensor - this time its the BMM150 and as usual we will connect this to...

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...

Interfacing an AD keypad module to your Wemos

I purchased this module as part of a microcontroller kit, its an interesting little module as it has 16 buttons but with only 1 I/O...

ESP8266 and LCD4884 example

This LCD4884  provides a 84x48 display this LCD shield can help meet your needs. It is able to display in English, Chinese and even images, it...

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...

MLX90615 infrared thermometer and ESP8266 example

The MLX90615 is a miniature infrared thermometer for non-contact temperature measurements. Both the IR sensitive thermopile detector chip and the signal conditioning ASIC are...

ESP8266 and L9110 fan module example

In this example we connect an ESp8266  to a dual L9110 fan module. This is a commonly found, basic low cost module which consists...

PAJ7620 gesture sensor and ESP8266

The PAJ7620 integrates gesture recognition function with general I2C interface into a single chip forming an image analytic sensor system. It can recognize 9...

Wemos mini bmp180 sensor example

This bmp180 from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. The sensor is soldered onto a PCB with...
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...