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...
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...
Wemos Mini and a PCF8574
The PCF8574 is an 8 bits I/O port expander that uses the I2C protocol. Using this IC, you can use only the SDA and...
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...
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...
PAJ7620 gesture sensor and ESP8266
The PAJ7620 integrates gesture recognition function with general I2C interface into a single chip forming an image analytic sensor system. It can recognize 9...
ESp8266 and force sensitive resistor example
A force-sensing resistor is a material whose resistance changes when a force or pressure is applied.
Force-sensing resistors consist of a conductive polymer, which changes...
Wemos and SHT11 example
The SHT1x digital humidity sensor is a reflow solderable sensor. The SHT1x series consists of a low-cost version with the SHT10 humidity sensor, a...
TM1637 7 segment display example
A common display module that you can buy on the internet contain the Tm1638 driver chip, I was interested in this one which is the...
ESP8266 and MS5611 barometric pressure sensor example
In this example we look at the MS5611 barometric pressure sensor
This barometric pressure sensor is optimized for altimeters and variometers with an altitude resolution of...
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...
Wemos and dust sensor example
Sharp's GP2Y1010AU0F is an optical air quality sensor it is designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally...
Goouuu-S1 ESP8266 RGB led examples
In a previous post we looked at the Goouuu-S1 ESP8266 , on the board you will have seen that there is an RGB led
The board uses...
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 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...
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...