Storm Warner
Circuit
The Static noise of storm charges
C1.We can use Radio to get Warnings of
an incoming Storm so that we can take
precautionary measures on time. If the
Storm is approaching then on C1 the
voltage will build up and trigger the
alarm consisting of T1 and T2.
Parts List to Make
a Storm Warner
Battery of 3.9V
C1-1000uF 12v
C2-.01uF DISC CERAMIC
C3-0.1uF DISC CERAMIC
C4-100uF 6V
D1,D2-DR 50
J1-Input Jack
LS-Loud Speaker 5-8 Ohms
R1-470K 1/4W
R2-100K 1/4W
R3-47 Ohms 1/4W
R4-2.2K 1/4W
T1-BC148
T2-AC128
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Complete component kit available in
CKD form ( Components only without PCB )
Price : 75/- + Couriers Rs. 50/-
( Pl. send payment through at par cheque
payable at Dehradun or DD in favour of
Cosy Communications )
we normally dispatch within 3 days from
our works after confirmation of payment.
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