677 PWM Controller
677 : PWM Controller
- Author: Ziyi Zhao, Yuchen Ma
- Description: A Low-Cost Pulse Width Modulation (PWM) Controller
- GitHub repository
- Open in 3D viewer
- Clock: 0 Hz
- Feedback: 🟡 1
How it works
The PWM generates a 10 MHz PWM signal whose duty cycle can be adjusted using two buttons. The PWM duty cycle can be increased or decreased in steps, constrained between 10% and 90%.
How to test
Change the inputs ui_in to simulate button presses and check if the PWM duty cycle increases or decreases as expected.
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | increase_duty | PWM_OUT | |
| 1 | decrease_duty | ||
| 2 | |||
| 3 | |||
| 4 | |||
| 5 | |||
| 6 | |||
| 7 |
User feedback
- mattvenn: The design generates pwm on output 0 (not on bidir as listed). However, the duty cycle can't easily be adjusted other than 1, 5 and 9.