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Showing posts from April, 2020

Long range FM transmiter

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Coil - 18swg wire,10mm diamiter aircore ,7Turns 5pf trimer Bfy51- TR 470pf -2 473pf 22K -2 33ohm -1w Fm reciver kit

FM transmiter

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2Km transmiter L1,L2 =10Turns of 1mm wire-3mm form Parts 2N3904-2 22pf 5Pf 0.001Uf-2 0.33uf 5-30Pf trimer 47K 22K 1K 5.6K 220ohm 30inch wire antena Fm reciver kit

Universal step up converter

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12V to 30v converter Parts list 1000uf 25v -2 100nf -2 1000uf 50v-2 Mbr10100 diode irfz44n 50W led ferrite ring( 10.3mm-13.3mm) 2*10T # 0.5vmm wire ne555 10nf 1nf 39K 18K 680ohm In4148

AM transmitter an reciver

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Transmitter Parts Bc109                 Am coil -80T(200uh) 47k 1K 100Pf 1Nf 4.7Uf 500pf trimer MW Reciver Parts Bc547         47n                c9018         22n 330k           100n -2 4.7K            10uf 10K             200pf trimer 380K 22K AM reciver coil

One button on off switch

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Parts 2N5401 pnp -1 2N5551 npn -2 470k -1 10K   -3 1K     -1 1M    -1 100K -1 220ohm -1 1uf     -1 led     -1 Button  -1