Datasheet

Page 31
Figure 13-2: Buzzer module schematic
10K
R36
1K
R35
Q9
BC546
1K
R37
BZ1
VCC
VCC
PIC18F87K22
RH1
RH5
RH4
RF1
ENVREG
AVCC
AGND
RA3
RA2
RA1
RA0
GND
VCC
RA5
RA4
RC1
RC0
RC6
RC7
RJ4
RJ5
RH0
RE2
RE3
RE4
RE5
RE6
RE7
RD0
VCC
GND
RD1
RD2
RD3
RD4
RD5
RD6
RD7
RJ0
RJ1
RH2 RJ2
RJ3
RB0
RB1
RB2
RB3
RB4
RB5
RB6
GND
OSC2
OSC1
VCC
RB7
RC5
RC4
RC3
RC2
RJ7
RJ6
RH3
RE1
RE0
RG0
RG1
RG2
RG3
MCLR
RG4
GND
VDDcore/Vcap
RF7
RF6
RF5
RF4
RF3
RF2
RH7
RH6
VCC
VCC
VCC
C5
100nF
E5 10uF