6. buzzer

Status: OK

Sound module.

features:

• passive or active
• volume trimmer

6.1. Schematic

6.2. Board

top view:

wires only:

bottom view mirrored:

6.3. Partlist

part	value	position
C1	100n	(0.6 0.25)
C2	4u7	(0.8 0.25)
D1	1N4148DO35-7	(2.2 0.45)
JP5		(2.35 0.6)
JP6		(2.35 0.3)
R1	4k7	(1.4 0.65)
R2	100	(1.1 0.7)
R3	5k	(2.1 1)
SG2	F/CM12P	(1.8 0.45)
SV1		(0.5 0.65)
SV3		(0.75 0.75)
T1	BC238	(1.2 0.3)

6.4. 3D view

6.4.1. Front

6.4.2. Right side

6.4.3. Left side

6.4.4. Bottom