Projects

Arduino simple light meter

In this example we will connect and LDR up to our Arduino and display the reading on a bargraph display, think of this as a low cost type of light meter. A typical bargraph display looks like the one below,…

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SHT21 sensor data displayed on an LCD shield

In a previous example we connected a SHT21 temperature and humidity sensor to an Arduino – http://arduinolearning.com/code/sht21-humidity-and-temperature-sensor-example.php. This was a bit basic as the data was sent via the serial port, so lets add an LCD to display the temperature and…

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Temperature logger

In this example we will add a DS18B20 temperature sensor and an SD card. We will then log the results of the sensor to a file on the SD Card called temp.txt.   Layout Code You need to download 2…

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LCD clock project

In this example we will create a simple clock example using a DS1307 breakout, a keypad/LCD shield and an Arduino Uno The DS1307 real-time clock is a low-power, full binary-coded decimal clock/calendar. Address and data are transferred over the I²C…

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