HardLabs

Fuel capacity sensor

gpgreen·fuel_capacity_sensor

Fuel capacity sensor PCB layout, top view — open source AVR/Arduino board by gpgreen

About the Fuel capacity sensor PCB

Fuel capacity sensor is an open source AVR/Arduino PCB design by gpgreen, published on GitHub. It is a 2-layer board measuring 70 × 50 mm, with 77 components from 43 distinct parts.

Its main chip is the AT90CAN64-16AU, from the AVR/Arduino family. Other key parts include the LM78M05_TO252, LT1491A, ADuM1201CR, DCP01B and LT1490A. By type, the board carries 26 capacitors, 25 resistors, 7 ICs, 6 diodes, 5 connectors and 1 transistor.

It belongs with the sensors designs in this gallery.

From the project

KiCAD hardware design for Fuel Tank Capacity Sensor for capacitance style RV tank with CAN output

Main components on the Fuel capacity sensor

LM78M05_TO252LT1491AADuM1201CRDCP01BLT1490AMCP2551-I/SNAT90CAN64-16AU

Fuel capacity sensor bill of materials (BOM)

77 components, 43 distinct parts.

QtyPartRefs
1
LM78M05_TO252
U1
1
LT1491A
U2
1
ADuM1201CR
U3
1
DCP01B
U4
1
LT1490A
U5
1
MCP2551-I/SN
U6
1
AT90CAN64-16AU
U7
1
BCW65CLT1G
Q1
1
16MHz
Y1
1
CAN1
J1
1
CAN2
J2
1
ISP
J3
1
Conn_Coaxial
J4
1
SERIAL
J5
1
Fuse
F1
1
1M
RV1
2
100K
RV2, RV3
1
SW_Push
SW1
1
10V
D1
1
RED
D2
Show 23 more
QtyPartRefs
2
1N4148
D3, D4
2
YLW
D5, D6
1
10uH
L1
1
100uF
C1
1
.33uF
C2
14
100nF
C3, C5, C6, C10, C11, C12, C13, C14 +6
1
360pF
C4
2
220pF
C7, C9
1
2.2uF
C8
1
10uF
C15
2
22pF
C16, C18
1
10uF
C23
2
10nF
C25, C26
5
1K
R1, R13, R20, R23, R25
1
39
R2
1
10
R3
3
1M
R4, R12, R14
6
100K
R5, R6, R7, R9, R10, R11
4
470K
R8, R17, R18, R22
2
330K
R15, R16
1
4.7K
R19
1
150K
R21
1
10K
R24

Fuel capacity sensor design files

The KiCad project lives in the gpgreen/fuel_capacity_sensor repository on GitHub; these links point at the commit this page was built from.

Fuel capacity sensor: common questions

What microcontroller does the Fuel capacity sensor use?

The Fuel capacity sensor is built around the AT90CAN64-16AU, from the AVR/Arduino family.

How big is the Fuel capacity sensor PCB?

The Fuel capacity sensor measures 70 × 50 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Fuel capacity sensor?

77 components, from 43 distinct parts. The full bill of materials is listed on this page.

Where can I download the Fuel capacity sensor design files?

From the gpgreen/fuel_capacity_sensor repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Fuel capacity sensor design in my own project?

The repository has no license, so all rights stay with gpgreen. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Fuel capacity sensor without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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