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 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...
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...