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Goldilocks Analogue |
Still as prototype currently, but functionality can be recreated with MCP4822 DAC, Microphone Amplifier, and Headphone Amplifier, together with Arduino Uno. |
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Arduino Wireless Shield (Xbee) |
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Story
I’m building an advanced Arduino clone based on the AVR ATmega1284p MCU with some special features including a 12 bit DAC MCP4822, headphone amplifier, 2x SPI Memory (SRAM, EEPROM), and a SD Card. There are many real world applications for analogue outputs, but because the Arduino platform doesn’t have integrated DAC capability there are very few published applications for analogue signals. A Walkie Talkie is one example of using digital and analogue together to make a simple but very useful project.