R1
Resistance
220 Ω
R2
Resistance
220 Ω
R4
Resistance
220 Ω
R3
Resistance
220 Ω
R9 P2 - IC1 3IN+
R9 P2 - IC1 3IN+
R18
Resistance
2.2kohms
R10
Resistance
100kohms
IC1 2IN- - IC1 3IN-
P1
IC1 GND - U1 GND
U1 TXD - U2 ASK
R8
Resistance
100kohms
LED4
Not Recommended for New Designs
CN1 4 - R9 P1
CN1 2 - R7 P1
LED1
Not Recommended for New Designs
LED4 K - R18 P1
IC1 GND - U1 GND
U1 TXD - U2 ASK
R17
Resistance
2.2kohms
R10 P2 - IC1 4IN+
R10 P2 - IC1 4IN+
IC1 1OUT - U1 K0
IC1 1OUT - U1 K0
IC1 GND - U1 GND
P4
CN1 3 - R8 P1
R5
Resistance
10kohms
IC1 GND - U1 GND
IC1 1OUT - U1 K0
IC1 GND - U1 GND
IC1 GND - U1 GND
R10 P2 - IC1 4IN+
P5
IC1 VCC - U1 VCC
P3
IC1 1OUT - U1 K0
R5 P2 - R6 P1
R13
Resistance
1Mohms
IC1 1OUT - U1 K0
LED3 K - R17 P1
IC1 1OUT - U1 K0
R11
Resistance
1Mohms
LED3
Not Recommended for New Designs
IC1 VCC - U1 VCC
IC1 GND - U1 GND
IC1 GND - U1 GND
LED1 K - R15 P1
IC1 GND - U1 GND
R9 P2 - IC1 3IN+
R8 P2 - IC1 2IN+
IC1 GND - U1 GND
CN1 2 - R7 P1
IC1 VCC - U1 VCC
IC1 VCC - U1 VCC
R9
Resistance
100kohms
IC1 VCC - U1 VCC
R14
Resistance
1Mohms
LED3 K - R17 P1
R8 P2 - IC1 2IN+
R5 P2 - R6 P1
R16
Resistance
2.2kohms
IC1 VCC - U1 VCC
U1 OSC - R19 P1
IC1 VCC - U1 VCC
IC1 1OUT - U1 K0
IC1 GND - U1 GND
CN1 4 - R9 P1
IC1 2IN- - IC1 3IN-
IC1 GND - U1 GND
CN1 5 - R10 P1
U1 OSC - R19 P1
IC1 GND - U1 GND
R5 P2 - R6 P1
R7 P2 - IC1 1IN+
LED1 K - R15 P1
CN1 5 - R10 P1
IC1 GND - U1 GND
R7 P2 - IC1 1IN+
R6
Resistance
10kohms
IC1 1OUT - U1 K0
LED2
Not Recommended for New Designs
LED4 K - R18 P1
LED2 K - R16 P1
R8 P2 - IC1 2IN+
IC1 GND - U1 GND
IC1 VCC - U1 VCC
IC1 VCC - U1 VCC
P2
IC1 GND - U1 GND
R7
Resistance
100kohms
R15
Resistance
2.2kohms
R7 P2 - IC1 1IN+
R19
Resistance
1Mohms
IC1 1OUT - U1 K0
LED2 K - R16 P1
IC1 GND - U1 GND
CN1 3 - R8 P1
R12
Resistance
1Mohms
Q4
C2
Capacitance
100nF
Q3
SW1
C1
Capacitance
10uF
C4
Capacitance
100nF
Q1
Q2
Manufacturer Part Number
BC547B
C3
Capacitance
100nF
U2
U1
IC1
CN1