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...
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....
SHTC1 digital humidity sensor and ESP8266 example
In this article we look at another digital humidity sensor - this time its the SHTC1 and we will connect it to a Wemos...
ESP8266 and Si7021 temperature sensor example
The Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, ...
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 ....
Wemos and basic TEA5767 example
The TEA5767HN is a single-chip electronically tuned FM stereo radio for low-voltage applications with fully integrated Intermediate Frequency (IF) selectivity and demodulation. The radio...
Wemos mini and US-026 Ultrasonic Detector example
In this article we look an ultrasonic module that works well with a Wemos Mini in that it will work with 3.3v.
The US-026 is...
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...
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...
ESP8266 and HDC1080 humidity and temperature sensor
The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over...
VCNL4040 Proximity Sensor and ESP8266 example using the Arduino IDE
In this article we look at a VCNL4040 Proximity Sensor and we will connect it to a Wemos Mini
First lets look at the sensor
The...
MLX90614 infrared thermometer example
The MLX90614 is a non-contact infrared thermometer with a measurement range from -70 to +380 degree Celsius. Just connect the four leads to your...
MPL3115A2 pressure sensor and ESP8266
The MPL3115A2 is a compact, piezoresistive, absolute pressure sensor with an I2C digital interface. MPL3115A2 has a wide operating range of 20 kPa to...
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....
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...
Using a 74HC595 shift register with the Wemos
Sometimes in your projects you simply do not have enough I/O lines available, take for example a lot of the multiple LED examples, these...