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....

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...

Using a KX132 or KX134 Triple Axis Accelerometer with an ESP8266

In this article we look at 2 very similar Triple-axis Magnetometer that I recently purchased, the KX132 and KX134 Triple Axis Accelerometers, we will...

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...

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...

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 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...
ESP8266 and VCNL4040 layout

VCNL4040 Proximity Sensor and ESP8266 example using the Arduino IDE

In this article we look at a VCNL4040 Proximity Sensor and we will connect it to a Wemos Mini First lets look at the sensor The...

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 Mini and a TTP223 Capacitive Touch Sensor

In this example we will connect a TTP223 Capacitive Touch Sensor to our Wemos Mini. The TTP223 is a touch pad detector IC which offers 1...

ESP8266 and DS1624 sensor example

The DS1624 consists of two separate functional units: a 256-byte nonvolatile E2 memory and a direct-to-digital temperature sensor. The nonvolatile memory is made up of...

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 and LIS2DH three-axis linear accelerometer example

The LIS2DH is an ultra low-power high performance three-axis linear accelerometer belonging to the “femto” family, with digital I2C/SPI serial interface standard output. The LIS2DH...

ESP8266 and HDC1080 humidity and temperature sensor

The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over...

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...