| T O P I C R E V I E W |
| surajsun22 |
Posted - Aug 02 2010 : 2:38:29 PM
Hi.
today i was trying to make the infrared remote control as given here.
http://www.aaroncake.net/CIRCUITS/irremote.asp
but unfortunately i'm in little confusion with the -9v and GND terminals i mean where to connect both these.does both of them goes to -ve terminal of the battery???
thnx.. |
| 6 L A T E S T R E P L I E S (Newest First) |
| aravindj36 |
Posted - Jan 05 2011 : 09:06:02 AM
Pardon me Rritesh, but what do you mean. |
| RRITESH KAKKAR |
Posted - Aug 20 2010 : 02:30:20 AM
I have listen for this ht 12 e/d (holtek encoder & decoder ) are used........! |
| surajsun22 |
Posted - Aug 03 2010 : 1:28:28 PM
Ok Thnx i'l try it..
|
| audioguru |
Posted - Aug 03 2010 : 12:11:38 PM
Simply use two 9V batteries. One makes +9V and the other makes -9V.
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| surajsun22 |
Posted - Aug 03 2010 : 01:47:19 AM
how to get a dual polarity supply?? i know this website has one circuit for this here
http://www.aaroncake.net/circuits/supply3.asp
but it takes input from 120v ac supply. can u make one that takes input from a battery??
thnx |
| audioguru |
Posted - Aug 02 2010 : 11:03:45 PM
The opamp in the receiver is missing a resistor from its pin 3 input to ground.
The receiver circuit has a dual-polarity supply. One is +9v and the other is -9V. The 0V terminals of both supplies are joined at ground. |
