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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Handy if you lose the information Distribution | Username | Password —————|————|————- Debian Squeeze | pi | raspberry Arch | root | root QtonPi | root | rootme Raspbian | pi | raspberry OpenElec | root | openelec Pidora | root | raspberrypi RISC OS…
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In this example we will connect one of the popular 8×8 LED matrix modules that can be found at low cost on various web sites. These commonly use a MAX7219 Here is how to connect this to your Raspberry Pi Board Pin Name RPi Pin…
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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…