Specification:
Item Type:Signal Generator
Working Voltage:3.3~30V
Frequency Band:1Hz~150KHz
Frequency Accuracy:2% in each range
Signal Loading Capacity:5~30mA
Output Amplitude: PWM Amplitude is Equal to Supply Voltage
Environmental Temperature:-20~+70
Weight: 14 g / 0.49 oz(approx.)
Module description
1. XXX (no decimal point): the minimum unit is 1 Hz, and the value ranges from 1 Hz to 999 Hz.
2. The minimum unit of X.XX (the decimal point is in the hundred digits) is 0.01Khz, and the value range is 1.00Khz~9.99Khz;
3. XX.X (decimal point is ten): the minimum unit is 0.1Khz; the value range is 10.0KHz~99.9KHz
4. X.X.X (decimal point in ten and hundred): the minimum unit is 1Khz; the value range is 1KHz~150KHz
Frequency display: 100 means PWM output 100Hz pulse;
1. 01 indicates that the PWM outputs a pulse of 1.01K;
54. 1 indicates that the PWM outputs a pulse of 54.1 kHz;
1. 2.4 indicates that the PWM output is a pulse of 124KHz;
The duty ratio ranges from 0 to 100%.
All setting parameters are saved after power down.
Scope of application:
- Used as a square wave signal generator to generate a square wave signal for experimental development;
- Used to generate a square wave signal that controls the motor driver;
- Generate adjustable pulses for use by the MCU;
- Generate adjustable pulses and control related circuits (applications such as PWM dimming speed regulation).
Serial port control (microcontroller TTL level communication)
Communication standard: 9600 bps
Data bit : 8
Stop bit :1
Check digit :none
Flow control : none
1, set the frequency of the PWM
F101: Set the frequency to 101 HZ (001~999)
F1.05: Set the frequency to 1.05 KHZ (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)
2, set the duty cycle of the PWM
DXXX: Set the duty cycle of PWM to XXX; (001~100)
For example, D050, set the PWM duty cycle to be 50%.
3, read the setting parameters
Send a "read" string and read the set parameters.
Set the success to return: DOWN;
Setting failed to return: FALL.
Features:
1LCD display frequency and duty cycle, very clear, PWM output can be set separately frequency and duty cycle. 2Wide frequency range and high accuracy. 3Serial communication is available,more convenient in use. 4The module has 4 independent buttons for setting the frequency and duty cycle. It supports short press (increase or decrease one unit) and long press (fast increase or decrease). It is very simple. The parameters are automatically saved after setting without lost. 5Wide application range,such as being square-wave signal generator,generating the square wave signal that controls the motor driver,generating adjustable pulse and control relevant circuit.
Package List:
1 x Signal Generator
