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 of 0.5 degrees, or for…
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The BH1750FVI is an digital Ambient Light Sensor IC for I2C bus interface. This IC is the most suitable to obtain the ambient light data for adjusting LCD and Keypad backlight power of Mobile phone. It is possible to detect wide range at High resolution.…
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The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface. The ADXL345 is…
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This is a simple example using the Waveshare DVK512. You press a key and this is displayed on the command line, one of the 4 LEDs is also lit for each of the 4 buttons on the board You can see the LEDS (9) and Buttons…
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If you need to add more I/O lines to your Raspberry PI you can connect an mcp23017. The MCP23017 uses two i2c pins and this gives you 16 general purpose pins. You can set each of 16 pins to be input, output, or input with a…
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One of the frustrating things about the Raspberry PI is the lack of any analogue inputs, this means there are a number of sensors that are commonly used that cannot be used quite so easily on a Raspberry PI. Examples of these are light dependent…