Remote-controlled Musical Bell
| Audio - Amplifier |
This infrared light operated 12-tone musical bell can be operated using any TV or any other infrared base remote control. It can be operated from up to 8-10 meters, provided the remote control is directed towards the sensor.
By: PRADEEP G.
arts List :
R1 -------------------------- 100ohm
R2 -------------------------- 2.2K
R3 -------------------------- 1K
R4 -------------------------- 100ohm
R5 -------------------------- 100K
C1 -------------------------- 0.1microF (3ps)
C2 -------------------------- 47p
D1 -------------------------- 1N4148
D2 -------------------------- 1N4148
T1 --------------------------- BC557
T2 --------------------------- SL100
IR sensor ----------------- TK1836
IC1 -------------------------- UM 3481
IC2 -------------------------- 7805
Mic -------------------------- 4ohm , 0.5W
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Last Updated (Saturday, 23 February 2013 23:41)