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Schematic

Layout

3D View

PD0
PB0
PA1
PD6
PA0
PB1
PB3
PD1
PB2
PD4
US1
Manufacturer Part Number
HC-SR04
RED
R4
Resistance
150 Ω
R7
Resistance
4.7kΩ
R5
Resistance
0 Ω
R6
Resistance
4.7kΩ
START
U1
Not Recommended for New Designs
R3
Resistance
0 Ω
OLED1

Ultrasonic Distance Meter Module