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The suspension sensor system is made up of 4 devices that are mounted near each wheel of a vehicle that can record air pressure (DLHR), acceleration, rotational speed, wheel speed and suspension travel (linear potentiometers).

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DallasFormulaRacing/SUS

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Suspension-Sensors (SUS)

A device that is mounted near each wheel of a vehicle that can record air pressure (DLHR), acceleration, rotational speed, wheel speed and suspension travel (linear potentiometers).

Schematic

ESP32 Hat Schematic

PCB Drawing

EPS32 Hat PCB Drawing

PCB 3D Model

ESP32 HAT PCB 3D Model ESP32 HAT PCB 3D Model ESP32 HAT PCB 3D Model

Bill of Materials

Part Description Photo # of parts Cost per part Reference
TJA1051T CAN transceiver TJA1051T 1 $1.22 U1
ADS8320EB/250 External ADC ADS8320EB/250 1 $14.68 U2
ICM-42688-P 6-DOF IMU ICM-42688-P 1 $0.74 U3
1x22 2.54mm 1x22 Single Row Female Straight Pin Header 2.54mm Pitch 1x22 2.54mm 2 $0.49 J1-J2
DF3D(Z)-3P-2H(51) 3-pin connector DF3D(Z)-3P-2H(51) 2 $0.95 J6-J7
DF3D(Z)-3P-2H(51) 4-pin connector DF3D(Z)-4P-2H(51) 3 $1.08 J3-J5
S02-20150300 EMI shield S02-20150300 1 $4.26
S1001-46R EMI shield connectors S1001-46R 3 $0.58 U4-U6
10nF Capacitor 10nF 0201 20 C6-C25
0.1μF Capacitor 0.1μF 0402 Hand Solder 2 C4-C5
1μF Capacitor 1μF 0402 Hand Solder 1 C2
2.2μF Capacitor 2.2μF 0402 Hand Solder 1 C3
10μF Capacitor 10μF 0402 Hand Solder 1 C1
1kΩ Resistor 1kΩ 0201 20 R3-R22
10kΩ Resistor 10kΩ 0402 2 R1-R2

Female connectors (AWG 24 - 28)

Part Description Photo # of parts Cost per part
DF3-3S-2C(10) 3POS 2.00MM connector DF3-3S-2C(10) 2 $0.071
DF3-4S-2C(10) 4POS 2.00MM connector DF3-4S-2C(10) 3 $0.071

About

The suspension sensor system is made up of 4 devices that are mounted near each wheel of a vehicle that can record air pressure (DLHR), acceleration, rotational speed, wheel speed and suspension travel (linear potentiometers).

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