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...

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...

Using a BMP384 pressure sensor with an ESP8266

In this article we look at a temperature and pressure sensor, the BMP384 pressure sensor from Bosch Sensortec, and connect it to an ESP8266...

APDS-9930 ambient light and proximity sensor example

The APDS-9930 provides digital ambient light sensing (ALS), IR LED and a complete proximity detection system in a single 8 pin package. The proximity...

Wemos Mini and PIR sensor example

In this example we connect a PIR module to a Wemos Mini. A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared...

Wemos and MCP3008 example

The Microchip MCP3008 ADC is a 10-bit Analog to Digital (A/D) converter with on-board sample and hold circuitry. Communication with the device is accomplished using...

ESP8266 and DS18B20 sensor and MIcropython example

In this example we look at a DS18b20 example in Micropython for an ESP8266. Once again we use uPyCraft and again we use Wemos...

Wemos LSM303 example

The LSM303 3D Accelerometers/Magnetometer Models are a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. These best-in-class eCompass devices...

ESP8266 and GY-21P module example

This module  combines a BMP280 sensor and an SI7021 sensor. The on-board BMP280+SI7021 sensor measures atmospheric pressure from 30kPa to 110kPa as well as...

Wemos and LM35 temperature sensor

In this example we will connect an LM35 temperature sensor to our Arduino The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is...

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...

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...

Wemos and basic TEA5767 example

The TEA5767HN is a single-chip electronically tuned FM stereo radio for low-voltage applications with fully integrated Intermediate Frequency (IF) selectivity and demodulation. The radio...

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 HMC5883L example

The Honeywell HMC5883L is a surface-mount, multi-chip module designed for low-field magnetic sensing with a digital interface for applications such as lowcost compassing and...

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...