Wemos mini and OLED shield bitcoin ticker

In this example we will display the price in USD of 1 bitcoin, the data is taken from coindesk's API and displayed on an...

ESP8266 and DS18b20 sensor readings displayed on a web server

In this example we will connect a Wemos compatible DS18B20 shield to a Wemos Mini and display a page on a web server. This...

Wemos MCP9808 digital temperature sensor example

ESP8266 and 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.)...

DHT11 sensor data to Thingspeak using a Wemos D1

In this example we will connect a DHT11 sensor to our Wemos D1, we will then send the temperature and humidity values to thingspeak. DHT11...

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...

MLX90615 infrared thermometer and ESP8266 example

The MLX90615 is a miniature infrared thermometer for non-contact temperature measurements. Both the IR sensitive thermopile detector chip and the signal conditioning ASIC are...

Wemos and PCF8563 RTC example

The PCF8563 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. A programmable clock output, interrupt output, and voltage-low detector...

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...

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...

Using a STTS22H temperature sensor with an ESP8266

In this article we look at a temperature sensor, the STTS22H sensor from ST and connect it to an ESP8266 board Sensor Information The STTS22H is...

Wemos and LX1972 light sensor example

The LX1972 is a low cost silicon light sensor with spectral response that closely emulates the human eye. Patented circuitry produces peak spectral response...

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...

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...

ESP8266 and LM75 temperature sensor example

The LM75 temperature sensor includes a delta-sigma analog-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface...

Wemos and a MQ-135 sensor

MQ-135 gas sensor is a hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other...

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...