TLV493D magnetic sensor and ESP8266 example using the Arduino IDE
In this article we look at a TLV493D magnetic sensor and we will connect it to a Wemos Mini
First lets look at the sensor
The...
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...
ESP8266 and SHt30 shield example
This time we look at the SHT30 shield from Wemos. Now there are other versions of this board as well, this is the official...
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 ....
Goouuu-S1 ESP8266 RGB led examples
In a previous post we looked at the Goouuu-S1 ESP8266 , on the board you will have seen that there is an RGB led
The board uses...
Wemos and DHT11 example in Micropython
In this example we look at a DHT11 example in Micropython for an ESP8266. Once again we use uPyCraft and again we use Wemos...
ESP8266 displaying a QR code on an OLED display
In this example we will display a QR code on an OLED display with an ESP8266, in this case a Wemos mini. This will...
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 Barometric Pressure Shield example
In this article we look at a relatively new shield for the Wemos/Lolin products - this is a Barometric Pressure shield based on a HP303B. Here...
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....
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...
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 Mini and LPS25H piezoresistive pressure sensor example
In this article we look at a pressure sensor - this time its the LPS25H and we will connect it to a Wemos Mini
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 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,...
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...