Wemos and MMA7455L example
The MMA7455L is a Digital Output (I2C/SPI), low power, low profile capacitive micromachined accelerometer featuring signal conditioning, a low pass filter, temperature compensation, self-test,...
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 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...
ESP8266 Micropython I2C Scanner
This is a simple very short code example in which we show how to create a basic I2CScanner in Micropython using the uPyCraft IDE...
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...
DPS310 barometric pressure sensor and ESP8266 example using the Arduino IDE
In this article we look at a DPS310 barometric pressure sensor and we will connect it to a Wemos Mini
First lets look at the...
Wemos Mini and PIR sensor example
In this example we connect a PIR module to a Wemos Mini. A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared...
Wemos and 4067 example
The 4067 was one of the IC's that I wanted to connect up to various microcontrollers as it looked extremely useful, here is a quick...
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 DS18B20 temperature sensor example
The DS18B20 is a temperature sensor that can be used in various simple projects. This part uses the 1 wire (I2C) bus and you can...
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...
The Wemos PIR shield
A new wemos shield and this time its based on a passive infrared sensor
An overview of a PIR
A passive infrared sensor (PIR sensor) is...
BH1750FVI Ambient Light Sensor example
The BH1750FVI is an digital Ambient Light Sensor IC for I2C bus interface. This IC is the most suitable to obtain the ambient light...
Wemos and MAX44009 ambient light sensor example
The MAX44009 ambient light sensor features an I²C digital output that is ideal for a number of portable applications such as smartphones, notebooks, and...
Wemos and LM35 temperature sensor
In this example we will connect an LM35 temperature sensor to our Arduino
The LM35 series are precision integrated-circuit temperature sensors, whose output voltage is...
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...