--- product_id: 286724168 title: "Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case" brand: "cenrykay" price: "$41.64" currency: USD in_stock: true reviews_count: 4 url: https://www.desertcart.us/products/286724168-pwm-signal-generator-dual-mode-function-frequency-generator-adjustable-1 store_origin: US region: United States of America --- # 1Hz-150kHz frequency range Clear LCD display Dual PWM & pulse modes Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case **Brand:** cenrykay **Price:** $41.64 **Availability:** ✅ In Stock ## Summary > ⚙️ Power your projects with precision — don’t get left behind in the signal race! ## Quick Answers - **What is this?** Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case by cenrykay - **How much does it cost?** $41.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/286724168-pwm-signal-generator-dual-mode-function-frequency-generator-adjustable-1) ## Best For - cenrykay enthusiasts ## Why This Product - Trusted cenrykay brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Output Capacity:** Supports up to 30mA output current with voltage matching your power supply for reliable performance. - • **Compact & Portable Design:** Lightweight module with protective case, perfect for on-the-go engineers and makers. - • **Precision Frequency Control:** Adjust frequencies seamlessly from 1Hz up to 150kHz for ultimate signal accuracy. - • **User-Friendly LCD Interface:** Real-time waveform data displayed clearly for intuitive monitoring and adjustments. - • **Versatile Dual Mode Operation:** Switch effortlessly between PWM and pulse modes to match your project needs. ## Overview The CenryKay PWM Signal Generator is a compact, dual-mode frequency generator offering adjustable 1Hz to 150kHz output with PWM and pulse waveforms. Featuring a clear LCD display and easy mode switching, it delivers up to 30mA output current at your supply voltage, ideal for controlling motors, drivers, and automation components in professional and industrial applications. ## Description CenryKay Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case: desertcart.com: Industrial & Scientific Review: Worked perfect - Worked perfect to control a treadmill motor by pwm 20hrtz signal to board then duty cycle controls speed. Very happy Review: Only 2v amplitude - While it does produce a square wave of the desired frequency, the duty cycle is invented and the max amplitude is just under 2v. The v- and v+ pins only offset the signal, not increase the amplitude of the signal. ## Features - ►【Product introduction】: This series of products are PWM and pulse signal generators. There are PWM mode and pulse mode. Only one mode can be used at a time, but the two modes can be switched at any time. - ►【Product Specifications】: Working voltage DC 3.3-30V; frequency range 1Hz-150kHz; duty ratio range 0-100%; number of pulse 1-9999 or infinite.Signal carrying capacity: <30mA; output signal secondary value: the secondary value is equal to the supply voltage. - ►【Features】:Dual mode: the function signal generator has 2 modes, PWM mode (default) & pulse mode.Easy to operate: the signal generator can control start or stop, it can also connect the external switch to control the output signal ON/OFF. - ►【Operation explanation】: 1. There is an output waveform when powered on; 2. Waveform amplitude = power supply voltage; 3. When the number of output pulses reaches the set value, the output will be automatically stopped, and 'OUT' will disappear; 4. Press the ON key to control the presence or absence of the waveform, the disappearance of OUT means that there is no output waveform, and the output is 0; 5. Power on and restart or ON key to turn on the output, and recalculate the number of pulses; - ►【Application scenarios】: It is used to generate square wave and rectangular wave signals to control DC motor or stepper motor driver; it is used for servo motor, stepper motor, electric gripper, replace PLC pulse, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08R5DM2FV | | Best Sellers Rank | #421,184 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #220 in Function Generators | | Date First Available | December 22, 2020 | | Item Weight | 1.76 ounces | | Manufacturer | CenryKay | | Package Dimensions | 4.41 x 3.27 x 2.05 inches | ## Images ![Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case - Image 1](https://m.media-amazon.com/images/I/61auVLO1c-L.jpg) ![Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case - Image 2](https://m.media-amazon.com/images/I/81PnzSSEK7L.jpg) ![Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case - Image 3](https://m.media-amazon.com/images/I/71emzG79QyL.jpg) ![Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case - Image 4](https://m.media-amazon.com/images/I/71IwXSb600L.jpg) ![Pwm Signal Generator,Dual Mode Function Frequency Generator Adjustable 1-150kHZ Pulse Square Rectangular Wave Signal Module Driver Controller LCD Display with Case - Image 5](https://m.media-amazon.com/images/I/71-5-OObOwL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Worked perfect *by J***S on September 10, 2023* Worked perfect to control a treadmill motor by pwm 20hrtz signal to board then duty cycle controls speed. Very happy ### ⭐ Only 2v amplitude *by R***O on April 2, 2021* While it does produce a square wave of the desired frequency, the duty cycle is invented and the max amplitude is just under 2v. The v- and v+ pins only offset the signal, not increase the amplitude of the signal. ### ⭐⭐⭐⭐⭐ Did as advertised *by L***E on April 16, 2021* I used it to control a treadmill DC motor on my home made 72" belt sander it worked as intended. Great price. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/286724168-pwm-signal-generator-dual-mode-function-frequency-generator-adjustable-1](https://www.desertcart.us/products/286724168-pwm-signal-generator-dual-mode-function-frequency-generator-adjustable-1) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-01*