DTMF DECODER WHO CONTROLLING 7 RELAYS WITH TONE BACK OUPUT FOR RELAY ON OR OFF.
HAVE JUMBER FOR CHANGE WHEN YOU WANT THE SECURITY CODE.
HAVE JUMBER FOR CHANGE TO WORK WITH SECURITY CODE OR WITHOUT.
HAVE MEMORY ALL RELAY STAGES WHEN THE POWER OFF AND THEN ON HAVE ALL STAGES AGAIN.
HAVE AS STANDARD SECURITY CODE 1234 IF YOU WANT TO CHANGE IT OPEN THE J2 AND PUT VOLTAGE, THEN PUT FOUR DTMF TONES WHO YOU WANT AS SECURITY CODE THEN THE DECODER SEND YOU BACK TONE FOR FIX AND CLOSE, THEN CLOSE THE J2 AND TAKE VOLTAGE AGAIN, NOW WORK WITH SECURITY CODE WHO YOU PUT.
THE SEQUENCE IS *XXXXSR THE XXXX IS SECURITY CODE, S IS 1 FOR OPEN RELAY OR 0 FOR CLOSE RELAY, R IS RELAY NUMBER 1 IS RELAY 1 ...ETC. IF PUT 0 OPEN OR CLOSE ALL RELAYS.
AFTER ITS SEQUENCE THE DECODER SEND TONE BACK FOR FIX.
IF DO NOT WANT SECURITY CODE OPEN THE J1 AND THEN WORK FOR SEQUENCE *SR THE S IS 1 FOR OPEN RELAY OR 0 FOR CLOSE RELAY, R IS RELAY NUMBER 1 IS RELAY 1.... ETC. IF PUT 0 OPEN OR CLOSE ALL RELAYS.
AFTER SEQUENCE THE DECODER SEND TONE BACK FOR FIX.
AT ALL SEQUENCE ALL STAGES PUT TO MEMORY AND WHEN FOR SOME REASON THE VOLTAGE OFF AND THEN ON YOU HAVE ALL RELAYS STAGES AGAIN.

PCB DIMENSIONS 46X33mm.

FOR MORE INFORMATION'S PLEASE CONTACT ME.
 

 

INFORMATIONS ABOUT SHIPPING :
THE PRIORITY CHOICE IS REGISTER METHOD WITH TRACKING NUMBER THE FIRST CLASS CHOICE NOT.
FOR USA CUSTOMERS THE POSTAGE METHOD IS REGISTER AIRMAIL.