XY-LPWM 1-Channel PWM Signal Generator Module with LCD
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Prices updated: 13 Oct 2026
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About this product
A single-channel PWM square-wave generator with an LCD that shows the set frequency and duty cycle. Frequency and duty cycle are adjusted separately, the module offers a wide frequency range, and it supports serial communication. It is useful for testing circuits and generating control signals in lab and hobby work.
Specifications
- Channels
- 1
- Display
- LCD
- Frequency adjustment
- Independent of duty cycle, auto-switched ranges
- Lowest frequency step
- 1 Hz (1-999 Hz range)
- Duty cycle
- Set independently of frequency
- Communication
- Serial
Frequently asked questions
How are frequency and duty cycle set?
Both are set separately and shown on the LCD. Frequency is split into ranges that switch automatically, starting with 1 Hz steps from 1 Hz to 999 Hz.
Can a microcontroller control this module?
The module supports serial communication, so a microcontroller can send settings to it. Check the module's command format before wiring and coding.
