简单伺服测试仪电路--Simple Servo Tester
简单伺服测试仪电路--Simple Servo Tester
click here to download schemaTIc in pdf
This is a simple servo tester which will comprehensively test the capabiliTIes of almost any modern servo. It has two pushbuttons, CENTRE and SWEEP and a potenTIometer which works as follows:
- CENTRE Does exactly that, centers the servo, afterwards the potenTIometer determines position.
- SWEEP Sweeps the servo back and forth at a rate determined by the potentiometer setting.
The PIC uses its internal timer to set up a constant frame duration of 20ms and the on/off ratio is set by the user.
Have Fun
ed
PCB board (download it below)
suggested panel decal
Parts List
R1 = 1K
R2 = 10K
R3 = 82R
R4 = 10K
R5 = 5K potentiometer
C1 = 27pF
C2 = 27pF
C3 = 100nF
D1 = 4,7V zener diode
Q1 = 10MHz crytal
IC1 = PIC12F675
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