Wemos and SHT11 example

The SHT1x digital humidity sensor is a reflow solderable sensor. The SHT1x series consists of a low-cost version with the SHT10 humidity sensor, a...

Using a MMC5603 Triple-axis Magnetometer sensor with an ESP8266

In this article we look at a Triple-axis Magnetometer, the MMC5603 and connect it to an ESP8266 board - a Wemos D1 Mini pro...

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,...

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...

ESp8266 and force sensitive resistor example

A force-sensing resistor is a material whose resistance changes when a force or pressure is applied. Force-sensing resistors consist of a conductive polymer, which changes...

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 ....

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...

Wemos Mini WS2812b example

The WS2812 family is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050...

Interfacing an AD keypad module to your Wemos

I purchased this module as part of a microcontroller kit, its an interesting little module as it has 16 buttons but with only 1 I/O...

Read and write to the eeprom on the ESP8266

Description The ESP8266 has 512 bytes of internal EEPROM, this could be useful if you need to store some settings, such as an IP address...

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...

Wemos and reed switch example

The reed switch is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferrous metal reeds...

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...

ESP8266 and TCS34725 Color Sensor

The TCS3472 device provides a digital return of red, green, blue (RGB), and clear light sensing values. An IR blocking filter, integrated on-chip and...

GA1A12S202 light sensor example

In this example we will connect a GA1A12S202 Log-Scale Analog Light Sensor to an Arduino. The features of this sensor are as follows Output voltage increases...

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...