Marcin Filipiak
POLAND • + Follow
Description
Alarm with sirene ver.A
TECHNICAL DETAILS / COMPONENTS
C1, C2 220uF
R1,R3,R5 1k
R2 1M
R4 540
Q1 BD137
Q2 BC547
Q3 2N3904
U1 PIC16F87 U2LM7805
LEARN / TOPIC / BUILD INSTRUCTIONS
Schematic and Layout
http://noweenergie.org/index.php?0/Article/35
Jun 06,2019
1,499 views
Alarm with sirene ver.A
1 Layers PCB 41 x 63 mm FR-4, 1.6 mm, 1, HASL with lead, Black Solder Mask, White silkscreen
1499
0
0
Published: Jun 06,2019
Download Gerber file 20
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