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Date: 2026-05-19
Date: 2026-05-19
KiCad E.D.A. 9.0.8
KiCad E.D.A. 9.0.8
Rev: A
Rev: A
Size: A4
Size: A4
Id: 1/1
Id: 1/1
Title: Detektor drátů ve zdi
Title: Detektor drátů ve zdi
File: drabc.kicad_sch
File: drabc.kicad_sch
Sheet: /
Sheet: /
OK2HA
OK2HA
+5V
+5V
1
1
3
3
2
2
Q2
Q2
BC846C
BC846C
GND
GND
R5
R5
X
X
GND
GND
1
1
VCC
VCC
8
8
~{RST}
~{RST}
4
4
DISCH
DISCH
7
7
THRES
THRES
6
6
TRIG
TRIG
2
2
CONT
CONT
5
5
OUT
OUT
3
3
U3
U3
TS/LMC555
TS/LMC555
L1
L1
4u7
4u7
R4
R4
220
220
GND
GND
GND
GND
GND
GND
D1
D1
R
R
R3
R3
10k
10k
+5V
+5V
R6
R6
100k
100k
C2
C2
10u
10u
+5V
+5V
1
1
3
3
2
2
Q1
Q1
BC846C
BC846C
GND
GND
1
1
3
3
2
2
Q3
Q3
BC846C
BC846C
R2
R2
100k
100k
BT1
BT1
AA
AA
+5V
+5V
+5V
+5V
+5V
+5V
+BATT
+BATT
R9
R9
100k
100k
R7
R7
1M
1M
GND
GND
GND
GND
R8
R8
1M
1M
R1
R1
X
X
SW
SW
1
1
VBAT
VBAT
6
6
EN
EN
3
3
GND
GND
2
2
VOUT
VOUT
5
5
FB
FB
4
4
U1
U1
TLV61220
TLV61220
1
1
2
2
SW1
SW1
ON/OFF
ON/OFF
GND
GND
C5
C5
22n
22n
AE1
AE1
Antenna
Antenna
GND
GND
GND
GND
+5V
+5V
1
1
2
2
LS1
LS1
piezo
piezo
C4
C4
10u
10u
GND
GND
R13
R13
220
220
+
+
1
1
-
-
3
3
V+
V+
5
5
V-
V-
2
2
4
4
U2
U2
AZV331
AZV331
R10
R10
100k
100k
GND
GND
GND
GND
1
1
3
3
2
2
RV1
RV1
100k
100k
R12
R12
10k
10k
R11
R11
1k
1k
bzuk_in
bzuk_in
bzuk_on
bzuk_on
bzuk_in
bzuk_in
bzuk_in
bzuk_in
bzuk_on
bzuk_on
Detektor
Detektor
Oscilátor bzučáku
Oscilátor bzučáku
Komparátor bzučáku
Komparátor bzučáku
Napájení
Napájení
LS1
LS1
piezo
piezo
1
1
2
2
R13
R13
220
220
GND
GND
Q3
Q3
BC846C
BC846C
1
1
3
3
2
2
R7
R7
1M
1M
Q2
Q2
BC846C
BC846C
1
1
3
3
2
2
Q1
Q1
BC846C
BC846C
1
1
3
3
2
2
SW1
SW1
ON/OFF
ON/OFF
1
1
2
2