--- product_id: 661192393 title: "DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module" brand: "drok" price: "198.38 DT" currency: TND in_stock: true reviews_count: 5 url: https://www.desertcart.tn/products/661192393-drok-frequency-generator-dc-3-3v-30v-5-30ma-1hz store_origin: TN region: Tunisia --- # DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module **Brand:** drok **Price:** 198.38 DT **Availability:** ✅ In Stock ## Quick Answers - **What is this?** DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module by drok - **How much does it cost?** 198.38 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/661192393-drok-frequency-generator-dc-3-3v-30v-5-30ma-1hz) ## Best For - drok enthusiasts ## Why This Product - Trusted drok brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description DROK Function Generator Parameter: Working voltage: DC 3.3V-30V Frequency range: normal mode 1Hz-150kHz; accurate mode 1Hz-15kHz Frequency accuracy: 2% in each range Signal load capacity: output current about 5-30mA Output amplitude: PWM amplitude equals to input voltage value Working temperature: -20℃~+70℃ Duty cycle range: 0-100% Features: With 2 modes. Operated by code potentiometer. With lock function to avoid misoperation. Duty cycle upper and lower bounds is adjustable. 2 Modes: Normal mode: Frequency range 1Hz-150kHz, duty cycle 000-100%, duty cycle step 1% Accurate mode: Frequency range 1Hz-15kHz, duty cycle 00.0-100%, duty cycle step 0.1% Application: As square wave signal generator for experimental development; As square wave signal generator for motor driver; As adjustable pulse generator for MCU; As pulse generator, control related circuits (PWM dimming, speed regulating). Frequency Display Instruction: The frequency is divided into 4 ranges and switched automatically. 1. XXX: minimum unit 1Hz, value range 1Hz~999Hz. 2. X.XX: minimum unit 0.01kHz, value range 1.00kHz~9.99kHz. 3. XX.X: minimum unit 0.1kHz; value range 10.0kHz~99.9kHz. 4. X.X.X: minimum unit 1kHz; value range 1kHz~150kHz. e.g. Frequency displays 100 represents 100Hz; displays 1.01 represents 1.01kHz; displays 54.1 represents 54.1kHz; displays 1.2.4 represents 124kHz Package Included: 1x Function Signal Generator ## Images ![DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module - Image 1](https://m.media-amazon.com/images/I/61XoNzzshfL.jpg) ![DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module - Image 2](https://m.media-amazon.com/images/I/71lyE9VmWaL.jpg) ![DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module - Image 3](https://m.media-amazon.com/images/I/61ZbGKzIGnL.jpg) ![DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module - Image 4](https://m.media-amazon.com/images/I/61mYD86yrcL.jpg) ![DROK Frequency Generator, DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module - Image 5](https://m.media-amazon.com/images/I/61TloxqaFRL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great controller for running brushless radiator fans *by C***S on Reviewed in the United States on 5 September 2024* The media could not be loaded. If you are looking for a basic speed controller to run brushless fans on a automotive project. This simple one dial controller work great. Easy to use and wire up. Cheap and work perfectly. And the best part is when the box is disconnected from power and reconnect it, it remembers your last setting to set you fan speed and leave it till you need it. I cruise around town with a 462 cammed BBC at 40% fan speed. with the AC cranked in 98 degree wether in traffic. Dial it up to 70% and works great ### ⭐⭐⭐⭐⭐ Great product for the price! *by C***N on Reviewed in Canada on 21 June 2023* Worked as described, set to 128Hz and produced 127Hz with a 5V feed wire. Used on electronically controlled alternator, works perfect for setting voltage via duty cycle. 10/10 would buy again. ### ⭐⭐⭐⭐⭐ Elementos electrónicos útiles *by H***N on Reviewed in Mexico on 10 May 2023* El vendedor cumplio lo comprometido en su oferta y el elemento electronico esta funcionando correctamente, de igual forma fue entregado muy en tiempo. --- ## 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/661192393-drok-frequency-generator-dc-3-3v-30v-5-30ma-1hz](https://www.desertcart.tn/products/661192393-drok-frequency-generator-dc-3-3v-30v-5-30ma-1hz) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-23*