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| Name | Teensy Audio without the Shield - Using ADC, DAC, DUAL PWM |
| Video Uploader | Video From Gadget Reboot |
| Upload Date | This Video Uploaded At 11-11-2019 08:53:51 |
| Video Discription | Not everyone has the Teensy audio shield with the I2S 16 bit interface, so I will investigate using standard ADC analog inputs for audio in, built in DAC for audio out, and a dual PWM output as an alternate audio DAC interface. The input and output passive circuits are found in the Teensy audio design tool GUI as seen in the video: https://www.pjrc.com/teensy/gui/index.html The sketches used are from the Teensy example sketches in the Arduino IDE for audio passthrough hardware testing. Dual PWM details and general PWM calculations http://www.openmusiclabs.com/learning/digital/pwm-dac/dual-pwm-circuits/index.html https://www.edn.com/design/analog/4329365/Combine-two-8-bit-outputs-to-make-one-16-bit-DAC https://www.edn.com/design/analog/4441113/A-faster-PWM-based-DAC https://www.ti.com/lit/ug/tidu027/tidu027.pdf Patreon: https://www.patreon.com/gadgetreboot Pinterest: https://www.pinterest.ca/GadgetReboot Twitter: @GadgetReboot https://twitter.com/gadgetreboot Music from the Youtube music library: Biz Baz Studio - Reckless Shred [-2B4Dmy4J1Y] |
| Category | Science & Technology |
| Tags | teensy audio | teensy audio shield | teensy audio without shield | teensy dual pwm dac | teensy adc audio input | how to use teensy for audio circuits | teensy audio design tool gui | pwm dac sound quality |
