--- product_id: 511672010 title: "PWM Signal Generator Module 1-Channel 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display with red and Black Cable" brand: "dkardu" price: "85.12 DT" currency: TND in_stock: true reviews_count: 2 url: https://www.desertcart.tn/products/511672010-pwm-signal-generator-module-1-channel-1hz-150khz-pwm-pulse store_origin: TN region: Tunisia --- # 1Hz-150kHz Frequency Range DC 3.3V-30V Voltage Range Lock Function for Safety PWM Signal Generator Module 1-Channel 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display with red and Black Cable **Brand:** dkardu **Price:** 85.12 DT **Availability:** ✅ In Stock ## Summary > 🔧 Unleash Your Creativity with Precision Control! ## Quick Answers - **What is this?** PWM Signal Generator Module 1-Channel 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display with red and Black Cable by dkardu - **How much does it cost?** 85.12 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/511672010-pwm-signal-generator-module-1-channel-1hz-150khz-pwm-pulse) ## Best For - dkardu enthusiasts ## Why This Product - Trusted dkardu brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Work Modes:** Switch between Normal and Accurate modes for versatile applications. - • **Power-Down Memory:** Never lose your settings again; data auto-saves after power-off. - • **Precision Control:** Achieve unparalleled accuracy with 0.1% duty cycle steps. - • **Adjustable Duty Cycle:** Customize your output with upper and lower bounds for total control. - • **Wider Application Spectrum:** Perfect for experimental development, motor control, and more! ## Overview The PWM Signal Generator Module is a versatile tool designed for professionals, offering a frequency range of 1Hz-150kHz and a wide voltage range of DC 3.3V-30V. With features like dual work modes, adjustable duty cycles, and power-down memory, this module is perfect for various applications, including motor control and experimental development. ## Description Product DescriptionStyle:Rotary Switch(With swith)This Signal Generator is a device that provides electrical signals at a variety of frequencies, square wave, and output levels. It is used as a signal source or excitation source for testing. Widely used in production practice and technology.Parameter:Size: 3*1.65*1.45in(78*42*37mm)Work Voltage: DC 3.3V-30VFrequency Range(Normal mode): 1Hz~150KHzFrequency Range(Precise mode): 1Hz~15KHzFrequency Accuracy: 2%Duty Cycle Accuracy: 1% at Normal modeDuty Cycle Accuracy: 0.1% at Precise modeDuty Cycle Range: 0. 00%-100%Output Current: About 5-30mAOutput Amplitude: Same to input voltageWork Temperature: -104℉~185℉(-40℃~85℃)Work Humidity: 0%~95%RHUsing Step:1. Connect to power supply2. Press rotary switch for 10second to switch Normal mode and Precise mode3. Short press rotary switch to set frequency and change value by rotating switch4. Press rotary switch for 2second to set duty cycle5. Keep press for 5second to lock set parameters6. Test7. Press button ‘ON/OFF’ to turn on or off PWM output8. Remove power and connect load to use module.This Signal Generator has two work modes: Normal Mode & Precise Mode. For the Operation Methods of Frequency Range Setting & Duty Cycle Range Setting, please check the PDF file at the "Technical Specification" Section on the product page.Package Includes:1 x PWM Signal Generator（With push button switch）1 x red and black cable ## Features - Parameters: Work voltage range is DC 3.3V-30V; the frequency range is 1Hz-150kHz/1Hz-15kHz; the output current is 5-30mA. - Dual Work Mode: Normal mode & accurate mode.Regular mode with 1% duty cycle steps.Precision mode with 0.1% duty cycle steps. - Support power-down memory function: no need to set the data after power-off. Knob supports lock function to avoid misoperation. - With lock function: PWM output can set frequency & duty cycle separately; duty cycle upper and lower bounds adjustable; support serial communication; all data auto-saved after setting. - Wider Application: Square wave signal generator, generating square wave signal for experimental development, generating square wave signal that controls the motor driver, and generating adjustable pulses for MCU Dimmer; Dimmer; Speed governor, and so on. ## Images ![PWM Signal Generator Module 1-Channel 1Hz-150KHz PWM Pulse Frequency Duty Cycle Adjustable Module LCD Display with red and Black Cable - Image 1](https://m.media-amazon.com/images/I/718rZw14TwL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐ 2.0 out of 5 stars Tolerances not very good *by P***. on Reviewed in the United States on March 31, 2024* What it said on the screen for the hertz of the signal was different than what it actually produced, not extremely different, but I needed a precise output. The higher signal frequency the more it was off count. ### ⭐⭐⭐⭐⭐ TRES BON PRODUIT. *by C***P on Reviewed in Canada on June 9, 2024* pour control de tapis roulant --- ## 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.tn/products/511672010-pwm-signal-generator-module-1-channel-1hz-150khz-pwm-pulse](https://www.desertcart.tn/products/511672010-pwm-signal-generator-module-1-channel-1hz-150khz-pwm-pulse) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-21*