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 Mini and DHT Pro example
In this example we connect the DHT22 Single Bus Digital Temperature Humidity Sensor (DHT Pro shield) to our Wemos Mini , you can see this...
Sampling analog data
Sampling sata is particularly useful for analog sensors such as an LDR or a thermistor. Another good example is one of the MQ gas...
Wemos Mini ADXL345 example
The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16g. Digital output data is formatted...
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...
Control a Wemos using an application on your PC
In this example we will control an RGB led connected to our Wemos Mini from an application running on our PC. In this example...
Wemos and MMA7455L example
The MMA7455L is a Digital Output (I2C/SPI), low power, low profile capacitive micromachined accelerometer featuring signal conditioning, a low pass filter, temperature compensation, self-test,...
PCF8575 I/O expander and ESP8266 examples
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 5.5-V VCC operation.
The PCF8575 device provides general-purpose remote I/O...
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...
ESP8266 and CJMCU-1010 capacitive touch module example
In this example we look at the CJMCU-1010 module - this is based on the AT42QT101x
The AT42QT101x Single Key capacitive touch controller family provides an easy...
VEML6070 ultraviolet light sensor and ESP8266
In this example we look at an VEML6070 UV sensor and connect it to an Arduino UNO
VEML6070 is an advanced ultraviolet (UV) light sensor...
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...
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...
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...
ESP8266 and LM75 temperature sensor example
The LM75 temperature sensor includes a delta-sigma analog-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface...
I2C Scanner
This is a basic example which will display via the serial monitor the address of any devices connected to your Wemos.
Its the same as...