TAPR Open Hardware License

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TV Infra-Red Standby Smart Switch

2 years ago 350
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A smart power saving in line power switch designed to remove mains power from a TV or other device in standby to reduce electric cost.

This design uses any infra-red controller with a 36 - 38kHz carrier. A long press of any IR button on the users remote controll will cut the mains power, a short press on any button will restore the mains power.

An override button is also on the power switch to switch on or off manually.

CAUTION: Ensure the load is suitable for the TRIAC selected, the TRIAC may require up rating and heatsink for bigger loads. This design will switch loads of about 600W without a heatsink.


TV Socket

TV Socket


ID Name Designator Footprint Quantity Mounted
1 IRM-56384 U1 IR-3PIN/2.54 1 Yes C72048
2 MOC3011M U3 DIP6 1 Yes
3 4K7 R4 AXIAL-0.4 1 Yes
4 8K2 R5 AXIAL-0.4 1 Yes
5 330R R6 AXIAL-0.4 1 Yes
6 1uF C2,C5 CAP-D3.0XF1.5 2 Yes
7 47uF C3 CAP-D6.3XF2.5 1 Yes
8 10uF C4 CAP-D6.3XF2.5 1 Yes
9 1N4007 D1 DO-41 1 Yes C84641
10 1N4733A D2 DO-41 1 Yes C41431
11 B2P-VH (LF)(SN) CN1,CN2 B2P-VH (LF)(SN) 2 Yes C160315
12 K2-1102AQ-K4CW-01 SW1 DIP-7.5X7.2X9 1 Yes C136734
13 3BB4HD D3 LED-3MM 1 Yes C39013
14 TYN1225RG Q1 TO-220(TO-220-3) 1 Yes C81077
15 220R R7 AXIAL-0.3 1 Yes
16 1M2 R2 AXIAL-0.3 1 Yes
17 470R R8 AXIAL-0.3 1 Yes
18 680R R3 AXIAL-0.3 1 Yes
19 1nF C1 RAD-0.1 1 Yes
20 3M3 R1 AXIAL-0.3 1 Yes 2329524
21 74LS74 U2 DIP14 1 Yes




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