Schematic of Ultrasonic Distance Meter Reference Design
C2
Capacitance
4.7uF
U2
C6
Capacitance
1uF
L1
Not Recommended for New Designs
Inductance
2.2uH
US1
Manufacturer Part Number
HC-SR04
RED
R4
Resistance
150 Ω
R7
Resistance
4.7kΩ
BAT1
R1
Resistance
5.11kΩ
R5
Resistance
0 Ω
C5
Capacitance
22uF
C1
Capacitance
120pF
R6
Resistance
4.7kΩ
C4
Capacitance
22uF
C3
Capacitance
22uF
R3
Resistance
0 Ω
R2
Resistance
10kΩ
RST
D1
IC1
START
U1
Not Recommended for New Designs
ISP