The Best Adjustable Frequency Generator of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Adjustable Frequency Generator of 2022. Check our ranking below.

2,176 Reviews Scanned

Rank No. #1

Frequency Generator, DROK DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module

PARAMETER --- working voltage range 3.3V-30V; frequency range 1Hz-150kHz/1Hz-15kHz; output current 5-30mA; frequency accuracy 2% in each range.
APPLICATION --- as square wave signal generator for experimental development; as square wave signal generator for motor driver; as adjustable pulse generator for MCU; as adjustable pulse generator for PWM dimming, speed regulating, etc.
DISPLAY--- clear LCD displays frequency & duty ratio value.
MODE --- 2 modes, normal mode & accurate mode.
FEATURE --- 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.

Rank No. #2

MiOYOOW PWM Frequency Generator, 1-Channel 1Hz-150KHz Adjustable Pulse Duty Cycle Function Generator, Square Wave Signal Generator Module with LCD Display and Rotary Switch

1. It's 1-channel PWM output signals. The Adjustable Frequency Range: from 1Hz to 150KHz. Please Note: 1Hz is the limit value. It is relatively large to receive external interference, such as wires or wireless or high temperature, so the fluctuation will be relatively large. It is recommended to use an output above 1Hz.
2. Shell Protection and Clear LCD high definition Display: Display both Frequency and Duty Cycle in more clear status. High precision detection.
3. Dual Work Mode. Support both Frequency Adjustment and Duty Cycle Adjustment. Support UART. Support enable output.
4. Support power-down memory function: no need to set the data after power-off. Knob supports lock function to avoid misoperation.
5. 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.

SaleRank No. #3

Coliao 2pcs Signal Generator XY-KPWM 1-Channel 1Hz-150KHz PWM Pulse Frequency Generator DC 3.3V-30V 5-30mA Function Generator Duty Cycle Square Wave Generator Adjustable Module LCD Display

【PWM Pulse Frequency Generator】 Work voltage range: DC 3.3V-30V; frequency range: 1Hz-150kHz/1Hz-15kHz; output current: 5-30mA.
【XY-KPWM Signal Generator】PWM frequency supports 2 working modes. Normal mode with 1% duty cycle steps, . Precise mode with 0.1% duty cycle steps. High frequency range, high precision.
【With Locking Function】Knob supports lock function to avoid misoperation. Can set frequency & duty cycle separately; duty cycle upper and lower bounds adjustable; support serial communication; all data auto-saved after setting.
【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.
【Function Generator Module 】PWM signal generator use potential encoder to adjust, easy to use; shell protection and clear LCD display, PWM with switch. (Package contains 2pcs signal generator)

Rank No. #4

EC Buying XY-PWM1 Frequency Generator Pulse Module PWM Pulse Frequency Duty Cycle Adjustable DC 3.3V~30V 5~30mA 1Hz-150kHz Adjustable Output PWM Square Wave Rectangular Wave Function Signal Generator

✬Features: LCD liquid crystal display frequency and duty cycle, very clear, using a coded potentiometer to adjust, can realize rapid adjustment according to the rotation speed judgment,very convenient;PWM output can set frequency and duty cycle separately;wide frequency range,high precision;fine mode The lower duty cycle step is 0.1%;it has a lock function to prevent misoperation;all setting parameters are saved when power off.The parameter value can also be read and set through the serial port.
✬Product parameters: 1. Working voltage: 3.3~30V; 2. Frequency range: normal mode 1Hz~150KHz; fine mode 1HZ~15KHZ (knob version); 3. Frequency accuracy: the accuracy in each range is about 2%; 4. Signal load capacity: the output current can be around 5~30mA; 5. Output amplitude: PWM amplitude is equal to the supply voltage; 6. Ambient temperature: -20~+70℃. 7. Weight: 42g 8. Duty cycle value range: 0~100%
✬Normal mode: frequency range 1HZ~150KHZ duty cycle 000~100%, duty cycle step 1% Fine mode: frequency range 1HZ~15KHZ duty cycle 00.0~100%, duty cycle step 0.1% (knob version)
✬Frequency is divided into four ranges, which are automatically switched: 1. XXX (without decimal point): the minimum unit is 1Hz, the value range is 1Hz~999Hz; 2. The minimum unit of X.XX(the decimal point is in the hundreds) is 0.01Khz, and the value range is 1.00Khz~9.99Khz; 3.XX.X(the decimal point is in ten places): the minimum unit is 0.1Khz; the value range is 10.0KHz~99.9KHz 4. X.X.X(the decimal point is in the tens and hundreds): the minimum unit is 1Khz; the value range is 1KHz~150KHz
✬Scope of application: 1. Used as a square wave signal generator to generate square wave signals for experimental development; 2. Used to generate square wave signals to control motor drivers; 3. To generate adjustable pulses for MCU use; 4. To generate adjustable pulses Pulse modulation, control-related circuits (PWM dimming speed regulation and other applications)

Rank No. #5

EC Buying XY-PWM Signal Generator Adjustable Frequency Generator Module, PWM Pulse Frequency Duty Cycle Adjustable Square Wave Rectangular Wave Pulse DC 3.3V~30V 5~30mA LCD Display Module

✔Product features: With LCD, setting PWM wave frequency and the duty ratio is intuitive, wide frequency range, high precision, can also read and set parameter values through a serial port, and has the function of saving set parameter values when power off.
✔Module parameters: 1. Working voltage: 3.3~30V; 2. Frequency range: 1Hz~150KHz; 3. Frequency accuracy: the accuracy in each range is about 2%; 4. Signal load capacity: the output current can be around 5~30mA; 5. Output amplitude: PWM amplitude is equal to the supply voltage; 6. Ambient temperature: -20~+70℃.
✔Scope of application: 1. Used as a square wave signal generator to generate square wave signals for experimental development; 2. Used to generate a square wave signal to control the motor driver; 3. Generate adjustable pulses for MCU use; 4. Generate adjustable pulses and control related circuits (applications such as PWM dimming and speed regulation)
✔Serial control: (MCU TTL level communication) ✧ Communication standard: 9600 bps Data bits: 8 ✧ Stop bit: 1 ✧Check digit: none ✧ Flow control: none ✔Signal Generator Module Highlights: 1. The frequency and duty cycle are displayed on the LCD liquid crystal display with shell, which is very clear, and the PWM output can set the frequency and duty cycle separately; 2. Wide frequency range and high precision; 3. Serial communication is possible
✔①Set the frequency of PWM: ""F101"":set the frequency to 101HZ(001~999) ""F1.05"":set the frequency to 1.05KHZ(1. 00~9. 99) ""F10.5"":set the frequency to 10.5KHZ(10.0~99.9) ""F1.0.5"":set the frequency to 105KHZ(1.0.0~1.5.0) ②Set the duty cycle of PWM: ""DXXX"":Set the duty cycle of PWM to XXX;(001~100) For example, D050 set the PWM duty cycle to 50% ③Read the setting parameters: Send the"read" string to read the set parameters. Set successfully and return: DOWN; Setting failure returns: FALL

Rank No. #6

CenryKay DC 3.3V-30V Adjustable Output 1Hz-150kHz PWM Pulse Frequency Duty Cycle Square Wave Signal Generator Module XY-PWM Signal

►Working voltage: 3.3 ~ 30V; frequency range: normal mode: 1Hz ~ 150KHz, fine mode: 1HZ ~ 15KHZ
►Frequency accuracy: the accuracy in each range is about 2%; signal load capacity: the output current can be about 5 ~ 30maz
►LCD liquid crystal display frequency and duty cycle, very clear, using coding potentiometer adjustment, very convenient.
►PWM output can set frequency and duty cycle separately. This PWM pulse generator comes with locking function to prevent misoperation
►The square wave generator is Widely used as square wave signal generator for experimental development, motor driver, MCU, PWM dimmer etc

Rank No. #7

DAOKI 5 Pack NE555 Pulse Generator Adjustable Frequency Single Channel Output Module for Arduino Smart Car with Dupont Cable

On-board chip NE555.
A single channel output, the output duty cycle square wave is about fifty percent.
Onboard adjustable resistance, resistance can be controlled to adjust the output frequency.
Working voltage: 5-12V
Size:1.0*0.5"

Rank No. #8

UMLIFE 10pcs NE555 Adjustable Resistance Frequency Single Channel Output for Arduino Smart Car

On-board power indicator.the working voltage: 5 ~ 12V.
NE555 pulse generator module x 10pcs
A single channel output, the output duty cycle square wave is about fifty percent.
On-board chip NE555.
onboard adjustable resistance, resistance to adjust the output frequency can be controlled, Onboard power indicator

Rank No. #9

JESSINIE 10Pcs NE555 Pulse Generator Square Wave Rectangular NE555 Adjustable Frequency Pulse Generator Module Single Channel Signal Output Frequency Duty Cycle Square Wave Module Board

Onboard NE555 chip
Single signal output, the output duty cycle is about 50% square wave
On-board adjustable resistor, adjusting the resistance value can control the output frequency
Onboard power indicator
Operating voltage: 5~12V

Rank No. #10

DAOKI 2PCS Signal Generator Module DC 12V 24V Adjustable Module PWM Pulse Frequency Duty Cycle Square Wave Display 5V + 40 PIN

Pulse generator module operating voltage range is DC 3.3-30V, adjustable pwm frequency range is 1Hz-150kHz, adjustable duty ratio range is 0%-100%.
Application: it can be used as a square wave signal generator, generate square wave signal for experimental development; generate square wave signal to control the motor driver; generate adjustable pulse for MCU; generate adjustable pulse to control the relevant circuit (PWM dimming speed application etc).
High Frequency Resolution: frequency in range 1Hz~999Hz, display resolution is 1Hz; range 1.00kHz~9.99kHz, display resolution is 0.01kHz; range 10.0kHz~99.9kHz, display resolution is 0.1kHz; range 1kHz~150kHz, display resolution is 1kHz.
TTL Level Communication: the frequency meter is designed with single-chip TTL level communication, communication standard is 9600 bps.
LCD Display: the blue LCD clearly displays frequency and duty ratio, PWM output can set frequency and duty ratio independently.

Last update on 2023-06-25 / Affiliate links / Images from Amazon Product Advertising API

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FAQ:

Q: Is there an audio frequency generator software for Android devices?

A: It is usable on Windows OS. Android devices when they are installed with these Audio Frequency Generator Software, can be used to provide reference tones for audio tests and sound frequency projects. This software has oscillators for bopper, square and sine waveforms and can be adjustable for white noise.

Q: What is the frequency range of an audio frequency generator?

A: These frequencies range from 100 to 15000 Hz. The frequency can be inputted through input devices like the mouse and keyboard.and levels can be controlled as well. There are usually either audio frequency generator online versions which are available as well as audio frequency generator software download versions.

Q: How do I generate an audio frequency?

A: The frequency can be inputted through input devices like the mouse and keyboard.and levels can be controlled as well. There are usually either audio frequency generator online versions which are available as well as audio frequency generator software download versions.

Q: What waveforms are supported by the PC frequency generator software?

A: It plays sine, sawtooth, square and triangle waveforms. This is also compatible with Firefox, Microsoft Edge, Safari, and Chrome. This audio frequency generator software download is available free of cost and it turns the soundcard of your PC to a frequency tone generator.