Max7219 8×8 LED matrix example

The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph...

Using a LTR-329 Ambient Light sensor with an ESP8266

In this article we look at an Ambient Light sensor, the LTR-329 and connect it to an ESP8266 board - a Wemos D1 Mini...

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 BMA400 acceleration sensor example

In this article we look at another acceleration sensor - this time its the BMA400 Lets take a look at the sensor and its features Description The...

OPT3001 Digital Ambient Light Sensor and ESP8266 example

In this example we will connect an OPT3001 to a Wemos, this sensor measures light intensity - so you can easily create a lux...

ESP8266 and Stepper motor example

In this example we will show a basic stepper motor example, we use a driver board that can be bought on many sites which...

Wemos Mini and PIR sensor example

In this example we connect a PIR module to a Wemos Mini. A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared...

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 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,...

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...

The Wemos IR controller shield

In this small article we take a look at the IR controller shield, this is a shield which can act as an IR receiver...

RPI-1031 tilt sensor and Wemos Mini example

In this article we look at a tilt sensor - this time its the RPI-1031 and we will connect it to a Wemos The RPI-1031...

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...

Wemos OLED shield example

In this example we look at another terrific little low cost shield for the Wemos mini, this time its the OLED shield. Lets look...

MQ3 Gas Sensor example

The MQ3 Gas Sensor module is useful for gas leakage detection (in home and industry). It is suitable for detecting Alcohol, Benzine, CH4, Hexane, LPG,...

Wemos mini DS18B20 temperature sensor example

The DS18B20 is a  temperature sensor that can be used in various simple projects.  This part uses the 1 wire (I2C) bus and you can...