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...
MAX30102 pulse and heart-rate monitor sensor and ESP8266
The MAX30102 is an integrated pulse oximetry and heart-rate monitor biosensor module. It includes internal LEDs, photodetectors, optical elements, and low-noise electronics with ambient...
Wemos Mini and DHT Pro example
In this example we connect the DHT22 Single Bus Digital Temperature Humidity Sensor (DHT Pro shield) to our Wemos Mini , you can see this...
Wemos and MMA7455L example
The MMA7455L is a Digital Output (I2C/SPI), low power, low profile capacitive micromachined accelerometer featuring signal conditioning, a low pass filter, temperature compensation, self-test,...
ESP8266 and a BH1745NUC Luminance and Colour Sensor
In this article we look at a BH1745NUC Luminance and Colour Sensor and connect it to a Wemos Mini
First of all lets take a...
Using a STTS22H temperature sensor with an ESP8266
In this article we look at a temperature sensor, the STTS22H sensor from ST and connect it to an ESP8266 board
Sensor Information
The STTS22H is...
VEML6070 ultraviolet light sensor and ESP8266
In this example we look at an VEML6070 UV sensor and connect it to an Arduino UNO
VEML6070 is an advanced ultraviolet (UV) light sensor...
ESP8266 and LPS331AP pressure sensor example
In this article we look at the LPS331AP pressure sensor and as usual we connect it to a Wemos Mini and the example will...
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...
3 channel tracking sensor example
This Tracking Sensor for Arduino can detect the white lines in black and black lines in white. This particular module has 3 sensors
Using infrared...
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 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,...
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...
Wemos Infrared receiver example
In this example we look at how to connect an IR Reciever. Generally, they require Vcc(5v) but I found this to work well with 3v3, GND...
ESP8266 and SHt30 shield example
This time we look at the SHT30 shield from Wemos. Now there are other versions of this board as well, this is the official...
ESP8266 and DS1624 sensor example
The DS1624 consists of two separate functional units: a 256-byte nonvolatile E2 memory and a direct-to-digital temperature sensor.
The nonvolatile memory is made up of...