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1.Operating Voltage:5-30V,support micro USB 5.0V power supply
4.Signal Load Capaciity:output current is within 8--30mA
5.Output Range:default 5V V-pp (can be changed by external power)
1.As square wave generator to generate square wave for experiment development
2.Used to drive steeping motor driver's square wave
3.Generate adjustable pulse for MCU using
4.Generate adjustable pulse for controlling relative circuit (PWM adjust light speed etc)
Serial Port Control:
1.Communication Standard:9600 bps
Setting PWM Frequency:
1."S1FXXXT":set PWM1 frequency as XXX HZ (001~999)
2."S1FXX.XT":set PWM1 frequency as XX.X KHZ (00.1~99.9)
3."S1F:X.X.X.T":set PWM1 frequency as XXX KHZ (0.0.1.~1.5.0.)
8."T":stop sign bit
Setting PWM Duty Cycle:
1."S1DXXXT":set PWM1 duty cycle as XXX；(001~100)
2."S2DXXXT":set PWM2 duty cycle as XXX；(001~100)
Setting successfully back:DOWN
Setting unsuccessfully back:FALL
Module has 3-channel key:Set,Up,Down
1.By short press SET key,can shift display 4 parameter values (FR1:PWM1 frequency;dU1:PWM1 duty cycle;FR2:PWM2 frequency;dU2:PWM2 duty cycle);before shifting,there will be corresponding parameter name flashing
2.Directly press UP,DOWN key to modify current parameter value
3.2-chhannel PWM are set 3 kinds frequency value,in frequency display interface,by long press SET to shift,3 kinds frequency's duty cycle are the same （XXX:1Hz~999Hz; XX.X:0.1Khz~99.9Khz;X.X.X.:1Khz~150Khz，）。
Tested by ICStation's Outstanding Partner randomtronic:
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10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
13-20 working days to: Germany , Russia
18-25 working days to: France , Italy , Spain , South Africa
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