Rs- Pi

uln 2803 2 Relay - Step Motor Board for Raspberry Pi   Perfect way to learn how to use the GPIO pins. Plugs into the Raspberry Pi GPIO connector. Has eight Blue  LED's and controls up to two stepper motors, control 2 Relay, can be disable if you want use other function. 1 . J11   D0, D1,D2,D3,D4,D5,D6,D7,GND,VCC   OUTPUT with D0~ D7 LED 2. J10 & Mini USB for 5V input for Relay 3. J17 J15 Relay 1,2  Disable 4. J21 Vcc input Disable from J11 This 2 relay -Step Motor board can plug in Raspberry Pi P1 Use this board you can learn how to program use "C" or  "Python" , Will provide sample program for test can download from our web site.
Full Support by our Pi_Scratch software can be very easy control by Scratch Pi_Scratch detail (1) command mode control step Motor command "SMOTORainit"   initial  GPIO 17,18,27,22 as A Step Motor Port command "SMOTORbinit"   initial  GPIO 23,24,25,7 as B Step Motor Port command "SMOTOR"  + speed (3-50) +(a or B ) + output step 100 --- clockwise 100 step , -100 --- anticlockwise 100 step a --  GPIO 17,18,27,22   , b  --  GPIO 23,24,25,4
(2) GPIO pin mode control Step Motor
main program turn relay 1,on 2 off -> 1 off, 2 on    on  cycle
press C   Stepper Motor clockwise
press A  Stepper Motor  anticlockwise
Press S  Stop Package Content 1x  Rs-Pi 2803 2 Relay -Step Motor Board 1x  Manual Raspberry Pi® is a trademark of the Raspberry Pi Foundation Payment 1.We accept payment through Paypal ONLY. 2. We ship your orders within 1-2 business days after the payment cleared. 3. We ship to address provided by PAYPAL only. 4. Our standard shipping method is from United Kingdom by Royal Mail First Class Record & Royal Mail International Sign For. 5. Usually Delivery Time approximately 1 - 2 business days, In rare cases,it may take longer due to delay in holidays. 6. If your item does not arrive within 7 days please get in contact with us. 7. Our working day from Monday to Friday, 10am to 5pm

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