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...
The Wemos IR controller shield
In this small article we take a look at the IR controller shield, this is a shield which can act as an IR receiver...
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,...
IR Line tracking sensor example
This is another example using a sensor from the 37 sensor kit, this time we use the one called the KY-033 Hunt sensor module,...
Wemos and TMP36 example
The TMP35, TMP36, and TMP37 are low voltage, precision centigrade temperature sensors. They provide a voltage output that is linearly proportional to the Celsius...
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...
Wemos and DS3231 RTC example
The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal.
The device incorporates a battery...
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 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...
BH1750FVI Ambient Light Sensor example
The BH1750FVI is an digital Ambient Light Sensor IC for I2C bus interface. This IC is the most suitable to obtain the ambient light...
DHT12 humidity temperature sensor and ESP8266 example
The DHt12 is an upgraded version of the classic DHT11 humidity temperature sensor, it is fully downward compatible, more precise and adds an I2C...
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 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...
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...
PCT2075 temperature-to-digital converter and ESP8266 example using the Arduino IDE
In this article we look at a PCT2075 temperature-to-digital converter and we will connect it to a Wemos Mini
First lets look at the sensor
The...
DHT11 sensor data to Thingspeak using a Wemos D1
In this example we will connect a DHT11 sensor to our Wemos D1, we will then send the temperature and humidity values to thingspeak.
DHT11...