22 lines
810 B
Markdown
22 lines
810 B
Markdown
---
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tags:
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- resource
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created: 2025-07-06 23:38
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---
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## Summary
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The PCA 9685 chip provides 16 channels of 12 bit PWM with a configurable PWM frequency for servo motor or LED control.
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## Notes
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Default I²C address for the PCA9685 board is 0x40.
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## References
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- https://crates.io/crates/pwm-pca9685 - supports setting address and
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- [`pca9685_rppal`](https://crates.io/crates/pca9685-rppal) - only supports default address of 0x40 and hides the I2C interface!
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- https://docs.rs/pca9685-rppal/0.1.0/pca9685_rppal/index.html
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- https://github.com/jlyonsmith/pca9685-rppal
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- https://www.adafruit.com/product/815
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- https://cdn-shop.adafruit.com/datasheets/PCA9685.pdf
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- https://learn.adafruit.com/16-channel-pwm-servo-driver/hooking-it-up
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- https://blog.eldruin.com/pca9685-pwm-led-servo-controller-driver-in-rust |