PWM Signal Generator + Screen
The PWM Signal Generator + Screen is capable of generating square wave signal for experimental development that involves PWM dimming and speed controlling (e.g. motor drivers) as well as other micro controller use.
It can be controlled via the Serial Protocol TTL (TXD & RXD pins).
It is stable and reliable, and fairly simple to use.
Quick Spec
Operating Voltage: 3.3 – 30 VDC
Frequency Range: 1Hz – 150 KHz
Frequency Accuracy: the accuracy in each range is about 2%
Signal Load Capacity: 5 – 30 mA
Output Amplitude: PWM Amplitude Equal to the Supply Voltage
Operating Temperature: -20 – +70 Celsius
Dimensions: 52 x 32 x 10 mm
Communication Standard
9600 bps Data bits: 8
Stop bit: 1
Check digit: none
Flow control: none
Serial Communication
1.Setting the frequency of the PWM
Command “F101”: Set the frequency to 101 HZ (001 to 999)
Command “F1.05”: set the frequency of 1.05 KHZ (1.00 ~ 9.99)
Command “F10.5”: Set the frequency to 10.5KHZ (10.0 ~ 99.9)
Command “F1.0.5”: set the frequency of 105KHZ (1.0.0 ~ 1.5.0)
2.Setting the PWM duty cycle
DXXX”: set the PWM duty cycle to XXX; (001 ~ 100)
Example: “D050”, sets the PWM duty cycle is 50%
3.Read the set parameter
Send a “read” string to read the set parameters
Set successfully return: DOWN
Setup failed to return: FALL
نقد و بررسیها
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