PWM mode is designed for applications requiring continuous and smooth control, such as varying the speed of a fan or the brightness of a lamp. In this mode, the module generates a continuous square wave signal. The user can adjust two key parameters:
: Serving as a square wave signal source for MCU development or experimental setups. AliExpress For more technical details, you can refer to the ZK-PP2K Technical Manual or explore product listings on retailers like AliExpress switch between PWM and PULSE modes Zk-pp2k Manual
The device is NOT waterproof. Do not install it outdoors without a protective enclosure. PWM mode is designed for applications requiring continuous
Whether you have lost the original printed documentation, are setting up the device for the first time, or are encountering a specific error code, this article serves as a comprehensive, unofficial companion to the official Zk-pp2k Manual. We will cover hardware overview, initial installation, user enrollment, data export, PC software synchronization (ZKTime or BioTime), and common troubleshooting steps. AliExpress For more technical details, you can refer
The module features clearly labeled terminals and buttons:
The dedicates an entire section to communication because it is the most common source of errors.
Because it uses a MOS tube output, the output voltage will be the same as your input voltage. Do not power the device with 24V if your load is only rated for 5V. 6. Troubleshooting Common Issues