# AGRO\-NAV Rover Controller

## Description

Complete protected electronics system for an autonomous agricultural rover, including Raspberry Pi and Arduino control, sensor interfaces, high\-current motor and spray outputs, and robust 12 V battery power conversion\.

## Project Details

- **Owner:** dharun02
- **Created:** 8/28/2026
- **Last Updated:** 8/28/2026
- **Visibility:** Public

## Key Components

### A1 — [Arduino Mega2560](https://flux.ai/vasy_skral/arduino-mega2560~kwx.md)

- Role: Controller Module
- Manufacturer Part Number: A000067
- Functional Group: Compute and Control
- Symbol Style: Parametric
- Part Type: Development Boards
- Manufacturer Name: Arduino
- Datasheet URL: https://media\.digikey\.com/pdf/Data%20Sheets/Arduino%20PDFs/A000067\_Web\.pdf
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Arduino Mega 2560 handles rover I/O; USB link to Raspberry Pi; Serial1 reserved for GPS

**Pins:**
- \+3V3 [pin 3V3]
- \+5V\_1 [pin 5V\_1]
- \+5V\_2 [pin 5V\_2]
- \+5V\_3 [pin 5V\_3]
- 0 [pin 0]
- 1 [pin 1]
- 10 [pin 10]
- 11 [pin 11]
- 12 [pin 12]
- 13 [pin 13]
- 14 [pin 14]
- 15 [pin 15]
- 16 [pin 16]
- 17 [pin 17]
- 18 [pin 18]
- 19 [pin 19]
- 2 [pin 2]
- 20 [pin 20]
- 21 [pin 21]
- 22 [pin 22]
- 23 [pin 23]
- 24 [pin 24]
- 25 [pin 25]
- 26 [pin 26]
- 27 [pin 27]
- 28 [pin 28]
- 29 [pin 29]
- 3 [pin 3]
- 30 [pin 30]
- 31 [pin 31]
- 32 [pin 32]
- 33 [pin 33]
- 34 [pin 34]
- 35 [pin 35]
- 36 [pin 36]
- 37 [pin 37]
- 38 [pin 38]
- 39 [pin 39]
- 4 [pin 4]
- 40 [pin 40]
- 41 [pin 41]
- 42 [pin 42]
- 43 [pin 43]
- 44 [pin 44]
- 45 [pin 45]
- 46 [pin 46]
- 47 [pin 47]
- 48 [pin 48]
- 49 [pin 49]
- 5 [pin 5]
- 50 [pin 50]
- 51 [pin 51]
- 52 [pin 52]
- 53 [pin 53]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]
- 9 [pin 9]
- AD0 [pin AD0]
- AD1 [pin AD1]
- AD10 [pin AD10]
- AD11 [pin AD11]
- AD12 [pin AD12]
- AD13 [pin AD13]
- AD14 [pin AD14]
- AD15 [pin AD15]
- AD2 [pin AD2]
- AD3 [pin AD3]
- AD4 [pin AD4]
- AD5 [pin AD5]
- AD6 [pin AD6]
- AD7 [pin AD7]
- AD8 [pin AD8]
- AD9 [pin AD9]
- AREF [pin AREF]
- GND1 [pin GND1]
- GND2 [pin GND2]
- GND3 [pin GND3]
- GND4 [pin GND4]
- GND5 [pin GND5]
- IOREF [pin IOREF]
- NC [pin NC]
- RESET [pin RESET]
- SCL [pin SCL]
- SDA [pin SDA]
- VIN [pin VIN]

### D1 — [SMBJ18A\-13\-F](https://flux.ai/lcsc/smbj18a-13-f~uiys.md)

- Part Type: TVS
- Product Info Url: https://lcsc\.com/product\-detail/TVS\_DIODES\_SMBJ18A\-13\-F\_SMBJ18A\-13\-F\_C135055\.html
- LCSC Part Number: C135055
- Role: Transient Protection
- Package or Case Code: SMB\_L4\.6\-W3\.6\-LS5\.3\-RD
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_Diodes\-Incorporated\-SMBJ18A\-13\-F\_C135055\.pdf
- Role Details: TVS clamp on protected 10\.5\-14\.4V battery bus
- Manufacturer Part Number: SMBJ18A\-13\-F
- JLCPCB Part Class: Extended Part
- Manufacturer Name: DIODES\(美台\)
- Functional Group: Battery Protection

**Pins:**
- A [pin 2]
- K [pin 1]

### D2 — [SB1040\_T0\_00001](https://flux.ai/adrian95/sb1040t000001~5ky.md)

- Datasheet URL: https://www\.panjit\.com\.tw/upload/datasheet/SB1020\_SERIES\.pdf
- Functional Group: Pump Output
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Name: Panjit International Inc\.
- Part Type: Diode
- Role: Flyback Protection
- Manufacturer Part Number: SB1040\_T0\_00001
- Role Details: 10A 40V Schottky freewheel diode across 12V pump load

**Pins:**
- A [pin 2]
- K [pin 1]

### D3 — [1N5822RLG](https://flux.ai/lcsc/1n5822rlg~v8yy.md)

- Product Info Url: https://lcsc\.com/product\-detail/Others\_ON\-Semicon\_1N5822RLG\_ON\-Semicon\-ON\-1N5822RLG\_C232464\.html
- Manufacturer Name: onsemi\(安森美\)
- LCSC Part Number: C232464
- Role Details: 3A Schottky freewheel diode across up\-to\-2A solenoid
- Manufacturer Part Number: 1N5822RLG
- Functional Group: Solenoid Output
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2410010333\_onsemi\-1N5822RLG\_C232464\.pdf
- Part Type: Schottky Barrier Diodes \(SBD\)
- Role: Flyback Protection
- JLCPCB Part Class: Extended Part
- Package or Case Code: DO\-201AD\_BD5\.3\-L8\.4\-P12\.50\-D1\.4\-RD

**Pins:**
- A [pin 2]
- C [pin 1]

### D4 — [SMBJ18A\-13\-F](https://flux.ai/lcsc/smbj18a-13-f~uiys.md)

- Part Type: TVS
- Product Info Url: https://lcsc\.com/product\-detail/TVS\_DIODES\_SMBJ18A\-13\-F\_SMBJ18A\-13\-F\_C135055\.html
- LCSC Part Number: C135055
- Package or Case Code: SMB\_L4\.6\-W3\.6\-LS5\.3\-RD
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_Diodes\-Incorporated\-SMBJ18A\-13\-F\_C135055\.pdf
- Role: Transient Protection
- Functional Group: Pump Output
- Manufacturer Part Number: SMBJ18A\-13\-F
- JLCPCB Part Class: Extended Part
- Manufacturer Name: DIODES\(美台\)
- Role Details: Local 18V TVS clamp at pump branch connector

**Pins:**
- A [pin 2]
- K [pin 1]

### F1 — [178\.6764\.0001](https://flux.ai/jecstronic/178p6764p0001~4jo.md)

- Functional Group: Power Distribution
- Role Details: Fit 20A time\-delay MINI blade fuse initially; verify against measured left\-side motor stall current
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.littelfuse\.com/media?resourcetype=datasheets&itemid=3f05f551\-560b\-4050\-ab12\-a352111d7ba3&filename=littelfuse\-fuse\-holder\-mini\-fl1\-datasheet\.pdf
- Manufacturer Part Number: 178\.6764\.0001
- Role: Branch Protection
- Manufacturer Name: Littelfuse/Commercial Vehicle Products
- Part Type: Circuit Protection

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### F2 — [178\.6764\.0001](https://flux.ai/jecstronic/178p6764p0001~4jo.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.littelfuse\.com/media?resourcetype=datasheets&itemid=3f05f551\-560b\-4050\-ab12\-a352111d7ba3&filename=littelfuse\-fuse\-holder\-mini\-fl1\-datasheet\.pdf
- Functional Group: Power Distribution
- Role: Branch Protection
- Manufacturer Part Number: 178\.6764\.0001
- Role Details: Fit 20A time\-delay MINI blade fuse initially; verify against measured right\-side motor stall current
- Manufacturer Name: Littelfuse/Commercial Vehicle Products
- Part Type: Circuit Protection

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### F3 — [178\.6764\.0001](https://flux.ai/jecstronic/178p6764p0001~4jo.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.littelfuse\.com/media?resourcetype=datasheets&itemid=3f05f551\-560b\-4050\-ab12\-a352111d7ba3&filename=littelfuse\-fuse\-holder\-mini\-fl1\-datasheet\.pdf
- Manufacturer Part Number: 178\.6764\.0001
- Role: Branch Protection
- Manufacturer Name: Littelfuse/Commercial Vehicle Products
- Functional Group: Power Distribution
- Part Type: Circuit Protection
- Role Details: Fit 10A MINI blade fuse for pump branch; confirm startup current

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### F4 — [178\.6764\.0001](https://flux.ai/jecstronic/178p6764p0001~4jo.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.littelfuse\.com/media?resourcetype=datasheets&itemid=3f05f551\-560b\-4050\-ab12\-a352111d7ba3&filename=littelfuse\-fuse\-holder\-mini\-fl1\-datasheet\.pdf
- Manufacturer Part Number: 178\.6764\.0001
- Role Details: Fit 15A MINI blade fuse provisionally; confirm actuator stall current
- Functional Group: Power Distribution
- Manufacturer Name: Littelfuse/Commercial Vehicle Products
- Role: Branch Protection
- Part Type: Circuit Protection

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### F5 — [178\.6764\.0001](https://flux.ai/jecstronic/178p6764p0001~4jo.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.littelfuse\.com/media?resourcetype=datasheets&itemid=3f05f551\-560b\-4050\-ab12\-a352111d7ba3&filename=littelfuse\-fuse\-holder\-mini\-fl1\-datasheet\.pdf
- Manufacturer Part Number: 178\.6764\.0001
- Role Details: Fit 7\.5A MINI blade fuse feeding all DC/DC converter inputs
- Functional Group: Power Distribution
- Role: Branch Protection
- Manufacturer Name: Littelfuse/Commercial Vehicle Products
- Part Type: Circuit Protection

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### F6 — [178\.6764\.0001](https://flux.ai/jecstronic/178p6764p0001~4jo.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.littelfuse\.com/media?resourcetype=datasheets&itemid=3f05f551\-560b\-4050\-ab12\-a352111d7ba3&filename=littelfuse\-fuse\-holder\-mini\-fl1\-datasheet\.pdf
- Manufacturer Part Number: 178\.6764\.0001
- Role Details: Fit 3A or 5A MINI blade fuse for up\-to\-2A spray solenoid branch; confirm coil inrush
- Manufacturer Name: Littelfuse/Commercial Vehicle Products
- Part Type: Circuit Protection
- Functional Group: Solenoid Output
- Role: Protection

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J1 — [KF128\-5\.08\-2P\-AA](https://flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md)

- Role Details: 12V 7\.5Ah SLA input, assumed 10\.5\-14\.4V
- Connector Pitch: 5\.08mm
- JLCPCB Part Class: Extended Part
- Connector Type: Screw terminal
- Manufacturer Name: KEFA\(科发\)
- LCSC Part Number: C474952
- Manufacturer Part Number: KF128\-5\.08\-2P\-AA
- Operating Temperature: \-40℃\~\+105℃
- Role: Power Input
- Connector Gender: Female
- Connector Rows: 1
- Package or Case Code: CONN\-TH\_P5\.08\_KF128\-5\.08\-2P
- Current Rating: 24A
- Functional Group: Battery Protection
- Connector Positions: 2
- Product Info Url: https://lcsc\.com/product\-detail/New\-Quadratic\-Unclassified\-Data\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\_C474952\.html
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2408211511\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\-AA\_C474952\.pdf
- Part Type: Screw terminal

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J10 — [Pin Header 01x08 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x08-254mm-vertical~4nq.md)

- Functional Group: Right Drive
- Role: Motor Driver Module Interface
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Cytron\-class bidirectional 12V driver: VIN,GND,PWM,DIR,ENABLE,FAULT,M\+,M\-; 10A continuous/30A short peak envelope

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]

### J11 — [KF128\-5\.08\-2P\-AA](https://flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md)

- Connector Pitch: 5\.08mm
- JLCPCB Part Class: Extended Part
- Connector Type: Screw terminal
- Manufacturer Name: KEFA\(科发\)
- LCSC Part Number: C474952
- Manufacturer Part Number: KF128\-5\.08\-2P\-AA
- Operating Temperature: \-40℃\~\+105℃
- Functional Group: Drive Motors
- Connector Gender: Female
- Connector Rows: 1
- Package or Case Code: CONN\-TH\_P5\.08\_KF128\-5\.08\-2P
- Current Rating: 24A
- Connector Positions: 2
- Role Details: External 12V geared motor; pair motors in parallel per side at driver output
- Product Info Url: https://lcsc\.com/product\-detail/New\-Quadratic\-Unclassified\-Data\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\_C474952\.html
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2408211511\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\-AA\_C474952\.pdf
- Part Type: Screw terminal
- Role: Motor Load Connector

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J12 — [KF128\-5\.08\-2P\-AA](https://flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md)

- Connector Pitch: 5\.08mm
- JLCPCB Part Class: Extended Part
- Connector Type: Screw terminal
- Manufacturer Name: KEFA\(科发\)
- LCSC Part Number: C474952
- Manufacturer Part Number: KF128\-5\.08\-2P\-AA
- Operating Temperature: \-40℃\~\+105℃
- Connector Gender: Female
- Connector Rows: 1
- Package or Case Code: CONN\-TH\_P5\.08\_KF128\-5\.08\-2P
- Current Rating: 24A
- Connector Positions: 2
- Role Details: External 12V geared motor; pair motors in parallel per side at driver output
- Product Info Url: https://lcsc\.com/product\-detail/New\-Quadratic\-Unclassified\-Data\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\_C474952\.html
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2408211511\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\-AA\_C474952\.pdf
- Part Type: Screw terminal
- Role: Motor Load Connector
- Functional Group: Drive Motors

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J13 — [KF128\-5\.08\-2P\-AA](https://flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md)

- Connector Pitch: 5\.08mm
- JLCPCB Part Class: Extended Part
- Connector Type: Screw terminal
- Manufacturer Name: KEFA\(科发\)
- Role: Motor Load Connector
- LCSC Part Number: C474952
- Manufacturer Part Number: KF128\-5\.08\-2P\-AA
- Operating Temperature: \-40℃\~\+105℃
- Role Details: External 12V geared motor; pair motors in parallel per side at driver output
- Connector Gender: Female
- Connector Rows: 1
- Functional Group: Drive Motors
- Package or Case Code: CONN\-TH\_P5\.08\_KF128\-5\.08\-2P
- Current Rating: 24A
- Connector Positions: 2
- Product Info Url: https://lcsc\.com/product\-detail/New\-Quadratic\-Unclassified\-Data\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\_C474952\.html
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2408211511\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\-AA\_C474952\.pdf
- Part Type: Screw terminal

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J14 — [KF128\-5\.08\-2P\-AA](https://flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md)

- Role Details: External 12V geared motor; pair motors in parallel per side at driver output
- Connector Pitch: 5\.08mm
- JLCPCB Part Class: Extended Part
- Functional Group: Drive Motors
- Connector Type: Screw terminal
- Manufacturer Name: KEFA\(科发\)
- LCSC Part Number: C474952
- Manufacturer Part Number: KF128\-5\.08\-2P\-AA
- Operating Temperature: \-40℃\~\+105℃
- Connector Gender: Female
- Connector Rows: 1
- Package or Case Code: CONN\-TH\_P5\.08\_KF128\-5\.08\-2P
- Current Rating: 24A
- Connector Positions: 2
- Role: Motor Load Connector
- Product Info Url: https://lcsc\.com/product\-detail/New\-Quadratic\-Unclassified\-Data\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\_C474952\.html
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2408211511\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\-AA\_C474952\.pdf
- Part Type: Screw terminal

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J15 — [KF128\-5\.08\-2P\-AA](https://flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md)

- Connector Pitch: 5\.08mm
- JLCPCB Part Class: Extended Part
- Connector Type: Screw terminal
- Role Details: 12V diaphragm pump, assumed up to 8A; inductive flyback protected
- Manufacturer Name: KEFA\(科发\)
- LCSC Part Number: C474952
- Manufacturer Part Number: KF128\-5\.08\-2P\-AA
- Operating Temperature: \-40℃\~\+105℃
- Connector Gender: Female
- Connector Rows: 1
- Package or Case Code: CONN\-TH\_P5\.08\_KF128\-5\.08\-2P
- Current Rating: 24A
- Role: Pump Load Connector
- Connector Positions: 2
- Product Info Url: https://lcsc\.com/product\-detail/New\-Quadratic\-Unclassified\-Data\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\_C474952\.html
- Functional Group: Pump Output
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2408211511\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\-AA\_C474952\.pdf
- Part Type: Screw terminal

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J16 — [KF128\-5\.08\-2P\-AA](https://flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md)

- Connector Pitch: 5\.08mm
- JLCPCB Part Class: Extended Part
- Functional Group: Solenoid Output
- Connector Type: Screw terminal
- Manufacturer Name: KEFA\(科发\)
- LCSC Part Number: C474952
- Manufacturer Part Number: KF128\-5\.08\-2P\-AA
- Operating Temperature: \-40℃\~\+105℃
- Connector Gender: Female
- Connector Rows: 1
- Package or Case Code: CONN\-TH\_P5\.08\_KF128\-5\.08\-2P
- Role: Solenoid Load Connector
- Current Rating: 24A
- Role Details: 12V normally\-closed spray valve, assumed up to 2A; separate protected switch
- Connector Positions: 2
- Product Info Url: https://lcsc\.com/product\-detail/New\-Quadratic\-Unclassified\-Data\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\_C474952\.html
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2408211511\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\-AA\_C474952\.pdf
- Part Type: Screw terminal

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J17 — [Pin Header 01x08 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x08-254mm-vertical~4nq.md)

- Functional Group: Linear Actuator
- Role Details: External 12V H\-bridge/relay module: VIN,GND,PWM,DIR,ENABLE\_SAFE,FAULT,OUT\_A,OUT\_B
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Actuator Driver Module Interface

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]

### J18 — [KF128\-5\.08\-2P\-AA](https://flux.ai/lcsc/kf128-5p08-2p-aa~0pbi.md)

- Connector Pitch: 5\.08mm
- JLCPCB Part Class: Extended Part
- Connector Type: Screw terminal
- Manufacturer Name: KEFA\(科发\)
- LCSC Part Number: C474952
- Manufacturer Part Number: KF128\-5\.08\-2P\-AA
- Operating Temperature: \-40℃\~\+105℃
- Role Details: Bidirectional scissor\-lift linear actuator connected to external H\-bridge output
- Functional Group: Linear Actuator
- Connector Gender: Female
- Connector Rows: 1
- Package or Case Code: CONN\-TH\_P5\.08\_KF128\-5\.08\-2P
- Role: Actuator Load Connector
- Current Rating: 24A
- Connector Positions: 2
- Product Info Url: https://lcsc\.com/product\-detail/New\-Quadratic\-Unclassified\-Data\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\_C474952\.html
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2408211511\_Cixi\-Kefa\-Elec\-KF128\-5\-08\-2P\-AA\_C474952\.pdf
- Part Type: Screw terminal

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J19 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Functional Group: Linear Actuator
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Normally\-closed recommended limit switch to ground, active\-low Mega input with pull\-up
- Role: Limit Switch Input
- Part Type: Connector

**Pins:**
- P1 [pin 1]
- P2 [pin 2]

### J2 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Role: Master Fuse Interface
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: Battery Protection
- Role Details: External automotive fuse holder, provisional 60A slow\-blow; holder and wiring must be rated for system peak
- Part Type: Connector

**Pins:**
- P1 [pin 1]
- P2 [pin 2]

### J20 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Role: Limit Switch Input
- Functional Group: Linear Actuator
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Normally\-closed recommended limit switch to ground, active\-low Mega input with pull\-up
- Part Type: Connector

**Pins:**
- P1 [pin 1]
- P2 [pin 2]

### J21 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Functional Group: Safety Enable
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: E\-Stop Input
- Role Details: NC E\-stop loop supplies ESTOP\_OK; opening loop immediately removes drive/actuator enables while controllers remain powered
- Part Type: Connector

**Pins:**
- P1 [pin 1]
- P2 [pin 2]

### J22 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Role: GPS Module Interface
- Role Details: 5V module assumption; VCC,GND,TX,RX; Mega Serial1 with divider on Mega TX to GPS RX
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: Navigation Sensors

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J23 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector
- Functional Group: Navigation Sensors
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: 3\.3V I2C Sensor Interface
- Role Details: 3\.3V\-only I2C module connector: 3V3,GND,SDA\_3V3,SCL\_3V3; exactly one 3\.3V pull\-up pair shared

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J24 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: Navigation Sensors
- Role: 3\.3V I2C Sensor Interface
- Role Details: 3\.3V\-only I2C module connector: 3V3,GND,SDA\_3V3,SCL\_3V3; exactly one 3\.3V pull\-up pair shared

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J25 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Role: Ultrasonic Sensor Interface
- Functional Group: Environment Sensors
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: 5V VCC,GND,TRIG,ECHO; Echo returns to 5V\-tolerant Mega input

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J26 — [Pin Header 01x03 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x03-254mm-vertical~cp4.md)

- Role Details: 5V DHT11 module: VCC,DATA,GND with external pull\-up
- Functional Group: Environment Sensors
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Digital Sensor Interface

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]

### J27 — [Pin Header 01x03 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x03-254mm-vertical~cp4.md)

- Functional Group: Soil Probe
- Role: Analog Sensor Interface
- Part Type: Connector
- Role Details: 5V module assumption: VCC,GND,AO to Arduino A0 with RC filtering
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]

### J28 — [Pin Header 01x03 2\.54mm Vertical for Servo Motor](https://flux.ai/project-x/pin-header-01x03-2p54mm-vertical-for-servo-motor~jl.md)

- Functional Group: Soil Probe
- Role Details: Separate 6V supply, common ground, Mega PWM control; allow at least 3A peak
- Part Type: Connector
- Role: Servo Interface
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- 5v [pin 2]
- Data [pin 3]
- Gnd [pin 1]

### J29 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Functional Group: Compute and Control
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: USB Link Interface
- Role Details: VBUS,D\-,D\+,GND representation of Pi\-to\-Mega USB cable; do not back\-power Mega from USB VBUS

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J3 — [Pin Header 01x02 2\.54mm Vertical](https://flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md)

- Role Details: External battery\-rated master disconnect switch; do not use signal header physically at high current
- Functional Group: Battery Protection
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Master Switch Interface
- Part Type: Connector

**Pins:**
- P1 [pin 1]
- P2 [pin 2]

### J30 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Role Details: VBUS,D\-,D\+,GND representation of Pi\-to\-Mega USB cable; do not back\-power Mega from USB VBUS
- Functional Group: Compute and Control
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: USB Link Interface

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J31 — [Pin Header 01x06 2\.54mm Vertical](https://flux.ai/vasy_skral/pin-header-01x06-254mm-vertical~jyw.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Connector
- Functional Group: Compute and Control
- Role: Pi Peripheral Interface
- Role Details: Off\-board camera/USB representation; 5V,GND,USB\_D\-,USB\_D\+,CAM\_PRESENT,SHIELD

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]
- Pin\_5 [pin 5]
- Pin\_6 [pin 6]

### J4 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Role: Reverse Polarity Module Interface
- Functional Group: Battery Protection
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: External 60A\-class ideal diode/reverse\-battery module, IN\+/IN\-/OUT\+/OUT\-

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J5 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Role Details: Documented 10\.5\-14\.4V input to regulated 5\.1V, at least 5A continuous; IN\+/IN\-/OUT\+/OUT\-
- Part Type: Connector
- Functional Group: Power Conversion
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: DC\-DC Module Interface

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J6 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: Power Conversion
- Role: DC\-DC Module Interface
- Role Details: Documented 10\.5\-14\.4V input to regulated 5\.0V, at least 3A continuous; separate from Pi rail

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J7 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Functional Group: Power Conversion
- Role: DC\-DC Module Interface
- Role Details: Documented 10\.5\-14\.4V input to regulated 6\.0V, at least 5A peak for MG996R
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J8 — [Pin Header 01x04 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md)

- Functional Group: Power Conversion
- Role Details: Documented 5V input to regulated 3\.3V, at least 0\.5A for I2C sensors and pull\-ups
- Role: DC\-DC Module Interface
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- Pin\_1 [pin 1]
- Pin\_2 [pin 2]
- Pin\_3 [pin 3]
- Pin\_4 [pin 4]

### J9 — [Pin Header 01x08 2\.54mm Vertical](https://flux.ai/adrian95/pin-header-01x08-254mm-vertical~4nq.md)

- Functional Group: Left Drive
- Role: Motor Driver Module Interface
- Part Type: Connector
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Cytron\-class bidirectional 12V driver: VIN,GND,PWM,DIR,ENABLE,FAULT,M\+,M\-; 10A continuous/30A short peak envelope

**Pins:**
- 1 [pin 1]
- 2 [pin 2]
- 3 [pin 3]
- 4 [pin 4]
- 5 [pin 5]
- 6 [pin 6]
- 7 [pin 7]
- 8 [pin 8]

### Q1 — [IRLZ44NPBF](https://flux.ai/jecstronic/irlz44npbf~kg9.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Power Switch
- Functional Group: Pump Output
- Part Type: Transistor
- Manufacturer Name: Infineon Technologies
- Manufacturer Part Number: IRLZ44NPBF
- Role Details: Logic\-level N\-MOSFET low\-side pump switch; heatsinking and measured dissipation check required
- Datasheet URL: https://www\.mouser\.com/datasheet/2/196/Infineon\_IRLZ44N\_DataSheet\_v01\_01\_EN\-3363447\.pdf

**Pins:**
- D [pin 2]
- G [pin 1]
- S [pin 3]

### Q2 — [IRLZ44NPBF](https://flux.ai/jecstronic/irlz44npbf~kg9.md)

- Functional Group: Solenoid Output
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Power Switch
- Part Type: Transistor
- Role Details: Logic\-level N\-MOSFET low\-side solenoid switch
- Manufacturer Name: Infineon Technologies
- Manufacturer Part Number: IRLZ44NPBF
- Datasheet URL: https://www\.mouser\.com/datasheet/2/196/Infineon\_IRLZ44N\_DataSheet\_v01\_01\_EN\-3363447\.pdf

**Pins:**
- D [pin 2]
- G [pin 1]
- S [pin 3]

### Q3 — [BSS138](https://flux.ai/vasy_skral/bss138~3ld.md)

- Role: Level Shifter
- Datasheet URL: https://www\.onsemi\.com/pdf/datasheet/bss138\-d\.pdf
- Manufacturer Part Number: BSS138
- Manufacturer Name: onsemi
- Part Type: Transistor
- Functional Group: I2C Level Shifting
- Role Details: BSS138 bidirectional open\-drain level translation for I2C SDA, 5V Mega side to 3\.3V sensor side

**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]

### Q4 — [BSS138](https://flux.ai/vasy_skral/bss138~3ld.md)

- Datasheet URL: https://www\.onsemi\.com/pdf/datasheet/bss138\-d\.pdf
- Functional Group: I2C Level Shifting
- Manufacturer Part Number: BSS138
- Role Details: BSS138 bidirectional open\-drain level translation for I2C SCL, 5V Mega side to 3\.3V sensor side
- Role: Level Shifter
- Manufacturer Name: onsemi
- Part Type: Transistor

**Pins:**
- D [pin 3]
- G [pin 1]
- S [pin 2]

### RPi1 — [Raspberry Pi 2 3 4 5 Model B](https://flux.ai/vasy_skral/raspberry-pi-2-3-4-5-model-b~pak.md)

- Part Type: Connector
- Role: Compute Module Connector
- Role Details: Raspberry Pi 4 off\-board; powered from dedicated protected 5\.1V 5A converter
- Datasheet URL: https://pinout\.xyz/
- Functional Group: Compute and Control
- Symbol Style: parametric\-v1

**Pins:**
- \~CE0\~/GPIO8 [pin 24]
- \~CE1\~/GPIO7 [pin 26]
- 3V3 [pin 17]
- 3V3 [pin 1]
- 5V [pin 4]
- 5V [pin 2]
- GCLK0/GPIO4 [pin 7]
- GCLK1/GPIO5 [pin 29]
- GCLK2/GPIO6 [pin 31]
- GND [pin 34]
- GND [pin 6]
- GND [pin 9]
- GND [pin 30]
- GND [pin 25]
- GND [pin 14]
- GND [pin 20]
- GND [pin 39]
- GPIO14/TXD [pin 8]
- GPIO15/RXD [pin 10]
- GPIO16 [pin 36]
- GPIO17 [pin 11]
- GPIO18/PWM0 [pin 12]
- GPIO19/MISO1 [pin 35]
- GPIO20/MOSI1 [pin 38]
- GPIO21/SCLK1 [pin 40]
- GPIO22 [pin 15]
- GPIO23 [pin 16]
- GPIO24 [pin 18]
- GPIO25 [pin 22]
- GPIO26 [pin 37]
- GPIO27 [pin 13]
- ID\_SC/GPIO1 [pin 28]
- ID\_SD/GPIO0 [pin 27]
- MISO0/GPIO9 [pin 21]
- MOSI0/GPIO10 [pin 19]
- PWM0/GPIO12 [pin 32]
- PWM1/GPIO13 [pin 33]
- SCL/GPIO3 [pin 5]
- SCLK0/GPIO11 [pin 23]
- SDA/GPIO2 [pin 3]

### U1 — [74HCT08PW,118](https://flux.ai/lcsc/74hct08pwc118~3c94.md)

- Role: Safety Logic
- Manufacturer Name: Nexperia\(安世\)
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2407241026\_Nexperia\-74HCT08PW\-118\_C131488\.pdf
- JLCPCB Part Class: Extended Part
- Manufacturer Part Number: 74HCT08PW,118
- Role Details: Combines software enable with hardware E\-stop permissive; unused gates held at defined levels
- Functional Group: Safety Enable
- Part Type: 74 Series
- Package or Case Code: TSSOP\-14\_L5\.0\-W4\.4\-P0\.65\-LS6\.4\-BL
- Product Info Url: https://lcsc\.com/product\-detail/74\-Series\_Nexperia\_74HCT08PW\-118\_74HCT08PW\-118\_C131488\.html
- LCSC Part Number: C131488

**Pins:**
- 1A [pin 1]
- 1B [pin 2]
- 1Y [pin 3]
- 2A [pin 4]
- 2B [pin 5]
- 2Y [pin 6]
- 3A [pin 9]
- 3B [pin 10]
- 3Y [pin 8]
- 4A [pin 12]
- 4B [pin 13]
- 4Y [pin 11]
- GND [pin 7]
- VCC [pin 14]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/dharun02/agro\-nav\-rover\-controller\~8h](https://flux.ai/dharun02/agro-nav-rover-controller~8h).*

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*Generated from [https://flux\.ai/dharun02/agro\-nav\-rover\-controller\~8h](https://flux.ai/dharun02/agro-nav-rover-controller~8h)*