![]() ![]() Pulse-width modulation (PWM) is a technique used to create a pseudo analog signal from a digital source. Ideally, using a programable IC where the wave forms are dictated entirely by the higher level software thats programmed into the pi and loaded onto the IC via SPI communication. ![]() 576 MHz) makes the DAC+ Pro independent from the Raspberry Pi clock. ![]() , an add-on board) that interfaces with the Pi either via serial port or I2C bus. ![]()
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