ESP8266 and MLX90393 magnetic field sensor example

The MLX90393 magnetic field sensor can be reprogrammed to different modes and with different settings at run-time. The sensor offers a 16-bit output proportional...

ESP8266 and HMC5983 magnetometer example

The Honeywell HMC5983 is a temperature compensated three-axis integrated circuit magnetometer. This surface-mount, multi-chip module is designed for low-field magnetic sensing for applications such...

Wemos and reed switch example

The reed switch is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferrous metal reeds...

ESP8266 and DS18b20 sensor readings displayed on a web server

In this example we will connect a Wemos compatible DS18B20 shield to a Wemos Mini and display a page on a web server. This...

ESP8266 and BMP280 sensor example

BMP280 is an absolute barometric pressure sensor especially designed for mobile applications. The sensor module is housed in an extremely compact package. Its small...

ESP8266 and MCP23017 example

The is a 16-bit, general purpose parallel I/O port expander for I2C bus applications. The 16-bit I/O port functionally consists of two 8-bit ports (PORTA...

Wemos and PCF8563 RTC example

The PCF8563 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. A programmable clock output, interrupt output, and voltage-low detector...

MLX90614 infrared thermometer example

The MLX90614 is a non-contact infrared thermometer with a measurement range from -70 to +380 degree Celsius. Just connect the four leads to your...

Wemos and 4051 LED example

The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages. The HCF4051 analog multiplexer/demultiplexer...

PCA9685 LED controller and ESP8266 example

In this example we connect a PCA9685 LED controller to an ESP8266 The PCA9685 is an I²C-bus controlled 16-channel LED controller optimized for Red/Green/Blue/Amber (RGBA)...

Wemos Mini and HDC2080 humidity and temperature sensor example

In this article we look at yet another humidity and temperature sensor from TI - this time its the HDC2080 which we will connect...

Some Neopixel examples

This example takes the Wemos Mini Ws2812B example a bit further on and use an 8 LED Neopixel strip Here is an image of the strip we...

DPS310 barometric pressure sensor and ESP8266 example using the Arduino IDE

In this article we look at a DPS310 barometric pressure sensor and we will connect it to a Wemos Mini First lets look at the...

VEML6075 ultraviolet (UV) light sensor and ESP266

The VEML6075 senses UVA and UVB light and incorporates photodiode, amplifiers, and analog / digital circuits into a single chip using a CMOS process....

Wemos and MAG3110 magnetometer

Freescale’s MAG3110 is a small, low-power, digital 3-axis magnetometer. The device can be used in conjunction with a 3-axis accelerometer to realize an orientation...

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...