Zk-pp2k Manual Jun 2026

What are you trying to drive? (e.g., motor, LED, actuator)

The manual mapped these theatrics to algebra: elliptic curves, polynomial commitments, and succinct proofs. It named optimizations that made the dance swift — batching, recursive composition, and a trick called "phase two keying" that let many performances reuse the same prop without compromising safety.

Adjust FREQ+ / FREQ- until the screen reads 20.00 . Zk-pp2k Manual

| Parameter | Value / Range | Notes | | :--- | :--- | :--- | | | ZK-PP2K | | | Operating Voltage | DC 3.3V ~ 30V | Equipped with reverse polarity protection. | | Output Signal Type | Square wave / PWM | | | Output Amplitude | Equal to the supply voltage | The output voltage follows the input voltage (V+). | | Frequency Range | 1Hz ~ 150kHz | Accuracy is approximately 2%. | | Duty Cycle Range | 0% ~ 100% | Adjustable in 1% steps. | | Output Current | < 8A (Max) | Can drive loads up to 150W. | | Pulse Number | 1 - 9999, or Infinite | "----" on the display represents infinite pulses. | | Delay Time | 0.000s ~ 9999s | Minimum adjustment of 1ms. | | Pulse Width | 0.000s ~ 9999s (Positive & Negative) | Minimum adjustment of 1ms. | | Display Type | LCD with backlight | Shows frequency, duty cycle, and other parameters in real-time. | | Operating Temp. | -20℃ ~ 85℃ | | | Dimensions (approx.) | 79mm x 43mm x 30mm | | | Weight (approx.) | 42g | |

| Parameter | Specification | | :--- | :--- | | | ZK-PP2K PWM Signal Generator / ZK-PP2K | | Operating Voltage | DC 3.3V - 30V | | Output Current | 8A (Max) | | Output Power | Up to 150W | | Frequency Range | 1Hz ~ 150kHz | | Frequency Accuracy | Approximately 2% | | Duty Cycle Range | 0.00% ~ 100% (in 1% steps) | | Pulse Number Range | 1 ~ 9999 (or "Infinite" mode) | | Delay Time & Pulse Width | 0.000s ~ 9999s (adjustable in 1ms steps) | | Output Amplitude | Equal to input voltage | | Display | High-contrast digital LCD | | Key Features | MOS switch type output, reverse polarity protection, power-down memory, external stop button support | | Operating Temperature | -20°C to 85°C | | Product Dimensions | 79 43 26mm | What are you trying to drive

This mode delivers a specific, countable number of square waves. Duration the signal stays high. Negative Pulse Width: Duration the signal stays low.

The fundamental principle behind the module is Pulse Width Modulation (PWM), a technique used to control the average voltage or power delivered to a load by toggling the signal on and off at a high speed. The key parameters of this "toggling" are the (how fast it toggles) and the duty cycle (the percentage of time the signal is ON versus OFF). Adjust FREQ+ / FREQ- until the screen reads 20

Shows frequency, duty cycle, or pulse settings. Rotary Encoder: Dial to increase or decrease values. On/Off Button: Toggles the signal output instantly. Mode Switch: Internal setting to toggle PWM or Pulse mode. Wiring Terminals: VIN+ / VIN- : Power supply input. PWM : Signal output terminal. GND : Common ground terminal. ⚙️ Operating Modes Explained The device operates in two distinct functional modes. 1. PWM Mode (Continuous Output)