Variable Frequency Generator Board 0.1Hz–100kHz | USB & Digital Display
Variable Frequency Generator Board 0.1Hz–100kHz | USB & Digital Display
Variable Frequency Generator Board with Digital Display
Meet your new go-to module for electronics experimentation and circuit workstation setups. This compact frequency generator board covers an impressively wide range — from 0.1Hz all the way up to 100,000Hz — with a four-digit digital display and front-panel keypad that make frequency entry fast, precise, and repeatable. Whether you're a hobbyist, maker, or electronics enthusiast, this board delivers clean sine wave output in a space-saving PCB format. Made in Mainland China.
Key Features
- Wide Frequency Range: Adjustable from 0.1Hz to 100,000Hz with a default output of 7.83Hz — dial in the exact frequency your project demands using the intuitive front keypad.
- Four-Digit Digital Display: The onboard display gives you a clear, real-time readout of your selected frequency, eliminating guesswork during experiment setups and repeat configurations.
- USB Power Input: Runs on a standard 5V USB supply at less than 0.5W — power it from a computer, common adapter, or portable power bank with ease.
- 3.5mm Output Connection: A convenient 3.5mm output port sits right beside the display and keypad, keeping your workspace tidy and your signal routing simple.
- Compact, Recognizable PCB Design: The large coil pattern and slim profile (just ~10 × 7 × 0.8 cm without casing) make this board an ideal fit for crowded benchtops and circuit workstations.
- Available in Silver or Gold Plated Styles: Choose the finish that suits your build aesthetic.
Specifications
| Frequency Range | 0.1Hz – 100,000Hz (Default: 7.83Hz) |
| Output Signal | Sine Wave |
| Power Input | 5V USB; <0.5W |
| Output Connection | 3.5mm Jack |
| Display | Four-Digit Digital Display |
| Material | ABS |
| Styles | Silver Plated / Gold Plated |
| Size (without casing) | ~10.00 × 7.00 × 0.80 cm (3.94 × 2.76 × 0.31 in) |
| Size (with casing) | ~10.80 × 7.75 × 1.80 cm (4.25 × 3.05 × 0.71 in) |
| Weight | ~120g (4.23 oz) |
| Country of Origin | Made in Mainland China |
Package Includes
- 1 × Variable Frequency Generator Board (with casing)
Notes
- Please allow ±1–2 cm tolerance due to manual measurement.
- Colors may appear slightly different depending on monitor settings.
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What frequency range does this generator board support?
A: This variable frequency generator board is adjustable from 0.1Hz to 100,000Hz, with a default output of 7.83Hz. You can enter your desired frequency directly via the front keypad and confirm it on the four-digit digital display.
Q: What power source does this frequency generator board require?
A: The board is powered via a standard 5V USB input and consumes less than 0.5W, making it compatible with USB wall adapters, laptop USB ports, and portable power banks — no special power supply needed.
Q: What type of output signal does this board produce, and how do I connect it?
A: The board outputs a sine wave signal through a convenient 3.5mm output port, making it straightforward to route into your existing circuit workstation or test equipment setup.
Q: Is the board available with different plating options?
A: Yes — this frequency generator module is available in both silver plated and gold plated styles, so you can choose the finish that best complements your electronics project or bench setup.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.