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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 Arduino and you will have a accurate thermometer with a resolution of 0.01 and a accuracy …

The ability to read and write to SD cards is a fairly common scenario that you may encounter, there are a couple of ways you can do this by adding an SD card breakout and connecting it to your Arduino …

The HC-SR505 Mini PIR Motion Sensor is based on infrared technology and it can automatic control by itself with high sensitivity and high reliability. Because of the minimum size and low-power operation mode, it widely used in various of automatic …

This is a simple data logging shield which will enable you to add SDCard storage support and RTC capability to your Arduino project. Here is a picture of the shield that I purchased Features Here is a summary of the …

The PCF8574 is an 8 bits I/O port expander that uses the I2C protocol. Using this IC, you can use only the SDA and SCL pins of your Arduino board to control up to 8 digital I/O ports. This 8-bit …

I purchased the following shield but there was limited information about it, it contains a SD card interface and appears to be a TFT shield type. On further investigation I found that the built in TFT library could be used …

This was a module based on the TM1638 IC that I purchased. The imprtant connections are as follows data pin 3 clock pin 2 strobe pin 5 I decided to create an example that would display the button pressed on …

The knightrider / larson / cylon effect Schematic Code [codesyntax lang=”cpp”] int pinArray[] = { 2, 3, 4, 5, 6, 7, 8, 9}; int count = 0; int timer = 10; void setup() { for (count=0;count<8;count++) { pinMode(pinArray[count], OUTPUT); } …