ESP8266 and vibration sensor module
In this example we connect a vibration motor module to an ESP8266. This is the type of motor that you could find in a...
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....
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 Mini and a PCF8574
The PCF8574 is an 8 bits I/O port expander that uses the I2C protocol. Using this IC, you can use only the SDA and...
ESP8266 and MCP23017 example
The is a 16-bit, general purpose parallel I/O port expander for I2C bus applications.
The 16-bit I/O port functionally consists of two 8-bit ports (PORTA...
Wemos and ML8511 example
The ML8511 measures the amount of ultra violet rayses contained in sunlight, and it is used for the equipment which displays the suntan by...
3 channel tracking sensor example
This Tracking Sensor for Arduino can detect the white lines in black and black lines in white. This particular module has 3 sensors
Using infrared...
Wemos buzzer shield example
In this example we look at another Wemos mini shield, this time its the buzzer_shield which as its name suggests is a basic buzzer....
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,...
Wemos Mini and HC-SR04 ultrasonic sensor
The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do. Ultrasonic ranging module HC-SR04 provides 2cm - 400cm...
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 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...
ESP8266 Micropython I2C Scanner
This is a simple very short code example in which we show how to create a basic I2CScanner in Micropython using the uPyCraft IDE...
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 MCP9808 digital temperature sensor example
MCP9808 digital temperature sensor example
The MCP9808 digital temperature sensor converts temperatures between -20°C and +100°C to a digital word with ±0.5°C (max.) accuracy. The...
CCS811 digital gas sensor and ESP8266 example
CCS811 is a low-power digital gas sensor solution, which integrates a gas sensor solution for detecting low levels of VOCs typically found indoors, with...