Wemos mini MATRIX LED Shield example

A new shield for the Wemos Mini came my way recently, this is called the MATRIX LED Shield - You can find out more...

Wemos Mini and ISL29125 RGB color light sensor

On this page we take a look at the ISL29125 RED, GREEN and BLUE color light sensor The ISL29125 is a low power, high sensitivity, RED, GREEN...

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...

SHT20 temperature and humidity sensor and ESP8266

The SHT2x series consists of a low-cost version with the SHT20 humidity sensor. the SHT2x provides calibrated, linearized sensor signals in digital, I2C format....

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 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...

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,...

Using a LTR-303 Ambient Light sensor with an ESP8266

In this article we look at an Ambient Light sensor, the LTR-303 and connect it to an ESP8266 board - a Wemos D1 Mini...

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...

Si1145 sensor and ESP8266 example

Another sensor reaches the desk, this time it is a Si1145 sensor, we will connect it to an ESP8266 and test it out The Si1145/46/47...

DHT12 humidity temperature sensor and ESP8266 example

The DHt12 is an upgraded version of the classic DHT11 humidity temperature sensor, it is fully downward compatible, more precise and adds an I2C...

A look at SHA-1 and ESP8266

Description In cryptography, SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value known...

ESP8266 and BMI160 sensor example

The BMI160 is a small, low power, low noise 16-bit inertial measurement unit designed for use in mobile applications like augmented reality or indoor...

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 mini and OLED shield bitcoin ticker

In this example we will display the price in USD of 1 bitcoin, the data is taken from coindesk's API and displayed on an...

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...