ماژول PWM ژنراتور XY-LPWM به همراه نمایشگر
0 نظر سفارش (6)
130,000تومان
کد محصول: 2570
موجودی در انبار
تعداد بازدید 1024 بازدید
توضیحات محصول
ماژول PWM ژنراتور XY-LPWM به همراه نمایشگر
Specification
1. LCD liquid crystal display frequency and duty cycle, very clear, PWM
output can be set separately frequency and duty cycle;
2. Wide frequency range and high precision;
3. Serial communication
First, the module description
PWM output, you can set the frequency and duty cycle separately;
The frequency is divided into four ranges and is automatically switched:
1. XXX ( no decimal point ) : The minimum unit is 1Hz , and the value
range is 1Hz~999Hz ;
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. XXX ( decimal point in ten and hundred ) : minimum unit is 1Khz
; value range 1KHz~150KHz
Eg frequency display: 100 means PWM output 100Hz pulse;
1.01 indicates that the PWM outputs a pulse of 1.01K ;
54.1 represents the PWM output 54.1KHz pulses;
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.
Second, the parameter settings
Third, the 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: The PWM amplitude is equal to the supply voltage;
6. Ambient temperature: -20~+70 °C.
Fourth, the scope of application:
1. Used as a square wave signal generator to generate a square wave signal for
experimental development;
2. Used to generate a square wave signal that controls the motor driver;
3. Generate adjustable pulses for use by the MCU ;
4. Generate adjustable pulses and control related circuits ( applications such
as PWM dimming speed regulation).
Five, serial port control
(microcontroller TTL level communication)
Communication standard : 9600 bps data bits : 8
stop bits : 1
check digit : none
flow control : none
Instruction
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 .
