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 SHT21 humidity and temperature sensor example

SHT21, the new humidity and temperature sensor of Sensirion is about to set new standards in terms of size and intelligence: Embedded in a...

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...
esp8266 and bmm150

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 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...

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)...

ESP8266 and PIR example in Micropython

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

ESP8266 and Ambient light Shield example

This was another new shield for the Wemos called the Ambient light Shield , this time its based around the BH1750FVI digital Ambient Light Sensor Lets...

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...

TSL2561 Luminosity Sensor example

The TSL2560 and TSL2561 are second-generation ambient light sensor devices. Each contains two integrating analog-to-digital converters (ADC) that integrate currents from two photodiodes. Integration...

ESP8266 and BMA250 acceleration sensor example

The BMA250E is an advanced, ultra-small, triaxial, low-g acceleration sensor with digital interfaces, aiming for low-power consumer electronics applications. Featuring 10 bit digital resolution,...

Read and write to the eeprom on the ESP8266

Description The ESP8266 has 512 bytes of internal EEPROM, this could be useful if you need to store some settings, such as an IP address...

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...

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...

ESP8266 and TCS34725 Color Sensor

The TCS3472 device provides a digital return of red, green, blue (RGB), and clear light sensing values. An IR blocking filter, integrated on-chip and...

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...