In this example we connect an Arduino to a L9110 fan module. This is a commonly found, basic low cost module which consists of an L9110 chip and a small motor attached. You need 4 connections between the arduino and …
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This was a simple project which appeared on the ARduino website – https://www.arduino.cc/en/Tutorial/CapacitanceMeter , to look at the theory visit that page. I was wanting to see how accurate this is and also wanted to test this on other variants such …
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The MQ-2 gas sensor module is suitable for detecting LPG, i-butane, propane, methane ,alcohol, Hydrogen, smoke. Code In this example we simply connect the AOUT to Analog pin 0 and read in the value and output this via the serial monitor …
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In this example we will show a basic stepper motor example, we use a driver board that can be bought on many sites which basically comprises of a ULN2003 IC and a few other components, you can use either 5v …
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I bought a low cost motor shield and a cheap micro servo on ebay, in this example I will show the parts I bought, how to connect them and show some basic code on how to drive the servo. Here …
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This is a 3-wire Serial LCD Module example connected to an Arduino uno, I bought this as part of a kit there was an Arduino Uno and a couple of different LCDs but I always had trouble getting this one working. Its …
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In this example I connect a TTP224 4-CHANNEL CAPACITIVE TOUCH module that I bought recently to an Arduino. This capacitive module offers 4 touch pads, here is a picture of this The TTP224/TTP224N TonTouchTM IC is capacitive sensing design …
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In this example we connect a DHT11 sensor our Arduino, again we will display the temperature and this time the humidity as well on our LCD4884 shield. In this example we connected the data pin of the DHT11 to Pin …
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In this example we connect an LCD4884 shield to our Arduino and then we connect a DS18B20 temperature sensor to Pin 9 and we will display the temperature in celsius and fahrenheit. You can see that pin 9 is marked …
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In this example we will connect a 7 segment display to an Arduino. There are 2 types of 7 segment displays, a common anode type and a common cathode type. This example used the common anode type, you can still …
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A keypad is a nice simple method of accepting user input into your project. These come in a number of styles and generally there are 2 types a 3×4 keypad and a 4×4 keypad. The numbers stand for the rows …
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When I was browsing various web sites to see what electronic components to buy one day I noticed some interesting little kits comprising of switches, LEDs and a couple of 4 digit seven segment displays saw I decided to purchase …
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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 use 8 outputs to control 8 LEDs via your Arduino UNO, that can restrict the amount of …
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This example shows how to connect an I2C OLED display to one of my Arduino’s. Being relatively small size, requiring only 2 connections SDA and SCL from the Arduino but still having good text and graphical capabilities I snapped a couple …