On-off Infrared Remote Control Schematic Help

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tony18183

Joined Nov 21, 2011
1
Hi all, I am having problem on the implementation of the circuit. Can somebody show me howto build IC3 , IC2.A , IC2.B

what is D2? and (14)IC2(7) ?

many thanks



links: <SNIP>
 
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praondevou

Joined Jul 9, 2011
2,942
This circuit is using a capacitive power supply, which cannot be discussed on AAC according to the ToS.

D2 is a zener diode clamping the voltage for the low voltage part to 15V.

If you use instead of C5 a small transformer and a rectifier after it your control circuit can be made galvanically isolated from mains and we will be able to help you.

Even worse you will be using 230V. When testing a circuit like this you would need to be very careful to not get electrocuted when inverting the input.
 

Wendy

Joined Mar 24, 2008
22,146
I am afraid I have to agree.

I am closing this thread as it violates AAC policy and/or safety issues. When dealing with power supplies you must use a transformer.

Quote:
6. Restricted topics. The following topics are regularly raised however are considered “off-topic” at all times and will results in Your thread being closed without question:

  • Any kind of over-unity devices and systems
  • Automotive modifications
  • Devices designed to electrocute or shock another person
  • LEDs to mains
  • Phone jammers
  • Rail guns and high-energy projectile devices
  • Transformer-less power supplies
This comes from our Tos:
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