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Microcontrollers: Control Voltage Output

This video explores a few methods for generating analog signals capable of providing control voltage for our modular synth. TIMELINE: 00:00 Intro 02:18 Part 1: On the MCP4822 DAC 02:51 Exploring the MCP4822 datasheet 03:41 Wiring the MCP4822 (Circuit) 04:36 Part 2: On the PWM DAC 05:56 Dual PWM DAC circuit - Hi-Fi Mode 07:50 Part 3: Choosing the right DAC 09:15 Part 4: On Generating Signals 10:01 Part 5: Code walkthrough 13:44 Putting it into practice (Probing the circuit with an oscilloscope) 17:56 Takeaways and final thoughts. REFERENCES and RESOURCE LINKS Blog Post: https://scruffycatstudios.com/posts/m... Working Files: https://github.com/juanlittledevil/mi... Digital to Analog Converter: https://en.wikipedia.org/wiki/Digital... Mozzi HiFI PWM: https://sensorium.github.io/Mozzi/lea... Matias Levy PWM Peaks: https://github.com/matias-levy/peaks MCP4822 Datasheet: https://ww1.microchip.com/downloads/e... I2C Basics: https://www.circuitbasics.com/basics-... I2C Guide: https://www.ti.com/lit/an/sbaa565/sba... SPI Basics: https://www.circuitbasics.com/basics-... Also on SPI:    • Understanding SPI   I2S Protocol: https://www.allaboutcircuits.com/tech... What is I2S?: https://www.digikey.co.nz/en/maker/tu...