Si1145 sensor and ESP8266 example
Another sensor reaches the desk, this time it is a Si1145 sensor, we will connect it to an ESP8266 and test it out
The Si1145/46/47...
ESP8266 and a BH1745NUC Luminance and Colour Sensor
In this article we look at a BH1745NUC Luminance and Colour Sensor and connect it to a Wemos Mini
First of all lets take a...
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...
Wemos Mini and I2C LCD example
Sometimes a nice big LCD is useful for your projects, in this example we will interface to an I2C LCD using our ESP32. Now...
ESP8266 and RFID-RC522 module example
In this example we will connect an RFID-RC522 module and connect to a Wemos Mini
The microcontroller and card reader uses SPI for communication ....
IR Line tracking sensor example
This is another example using a sensor from the 37 sensor kit, this time we use the one called the KY-033 Hunt sensor module,...
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...
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 and L9110 Fan module example
In this example we connect an Arduino to a L9110 fan module.
The L9110 is anASIC device control and drive motor design two-channel push-pull power...
BME680 environment sensor and ESP8266 example
In this article we will connect a BME680 sensor to an ESP8266 - as usual we will use a Wemos Mini
BME680 is an integrated...
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...
Wemos mini MATRIX LED Shield example
A new shield for the Wemos Mini came my way recently, this is called the MATRIX LED Shield - You can find out more...
TM1637 7 segment display example
A common display module that you can buy on the internet contain the Tm1638 driver chip, I was interested in this one which is the...
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...
Wemos Mini Ws2812B example
In this example we connect a Wemos Ws2812B RGB shield to a Wemos mini, we will then loop through red, green and blue colors
The...
LTR390 UV Light Sensor and ESP8266 example using the Arduino IDE
In this article we look at a LTR390 UV Light Sensor and we will connect it to a Wemos Mini
First lets look at the...