ESP8266 and BMP388 barometric pressure sensor
In this article we look at another sensor - it is a BMP388 by Bosch Sensortec, so lets crack on and try this out...
Wemos and LDR example
In this example we connect a photoresistor to an Arduino, the value read from the photoresistor corresponds to the amount of light present. The...
The Wemos PIR shield
A new wemos shield and this time its based on a passive infrared sensor
An overview of a PIR
A passive infrared sensor (PIR sensor) is...
ESP8266 and L9110 fan module example
In this example we connect an ESp8266 to a dual L9110 fan module. This is a commonly found, basic low cost module which consists...
Wemos and Max6675 example
In this example we take a look at the MAX6675 Cold-Junction-Compensated K-Thermocouple-to-Digital Converter
The MAX6675 performs cold-junction compensation and digitizes the signal from a type-K thermocouple....
Wemos and a MQ-135 sensor
MQ-135 gas sensor is a hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other...
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...
MCP4725 Digital-to-Analog Converter example
MCP4725 is a single channel, 12-bit, voltage output Digital-to-Analog Converter with integrated EEPROM and an I2C Compatible Serial Interface.
Again the easiest way to interface...
AM2320 temperature and humidity sensor and ESP8266 example
Temperature and humidity combined sensor AM2320 digital temperature and humidity sensor is a digital signal output has been calibrated. Using special temperature and humidity...
Wemos RGB led example
In this example we will connect an RGB led to our Wemos MIni, lets look at RGB leds first
RGB LEDs consist of one red,...
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 and TEMT6000 light sensor
TEMT6000X01 ambient light sensor is a silicon NPN epitaxial planar phototransistor in a miniature transparent 1206 package for surface mounting. It is sensitive to...
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...
Wemos mini bmp180 sensor example
This bmp180 from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. The sensor is soldered onto a PCB with...
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...
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...