# Arduino Mega Firefighting Robot Shield ## Description Arduino Mega 2560 sensor/actuator interface shield for a firefighting differential robot with labeled connectors, onboard IR receiver, buzzer, MPU6050 header, battery VIN protection, battery sensing, LED outputs, and fan MOSFET control. ## Project Details - **Owner:** andremassuca - **Created:** 6/20/2026 - **Last Updated:** 6/21/2026 - **Visibility:** Public - **Domain:** Robotics - **Implementation Details:** 2-layer FR4 shield, Arduino Mega 2560 footprint, hand-solderable THT/0805+ parts - **Power Requirements:** Battery - **Operating Voltage:** 9V - **Forks:** 1 - **Copies:** 1 ## Key Components ### A_MEGA — [Arduino Mega2560 Pins](https://www.flux.ai/kevmoyer/arduino-mega2560-pins~iu.md) - Role: Arduino Mega 2560 shield stacking header footprint reference - Manufacturer Name: Arduino - Manufacturer Part Number: A000067 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Arduino%20PDFs/A000067_Web.pdf - Part Type: Development Board **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] ### BZ1 — [PKM13EPYH4000-A0](https://www.flux.ai/adrian95/pkm13epyh4000-a0~lf8.md) - Manufacturer Part Number: PKM13EPYH4000-A0 - Role: Piezo buzzer - Manufacturer Name: Murata Electronics - Part Type: Buzzer - Datasheet URL: https://www.mouser.com/datasheet/2/281/PKM13EPYH4000_A0-793102.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - - [pin 2] - + [pin 1] ### D1 — [SS14](https://www.flux.ai/cherepanyadima/ss14~5b.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Role: Fan flyback diode - Manufacturer Part Number: SS14 **Pins:** - Anode [pin A] - Cathode [pin C] ### F1 — [MF-R050-2](https://www.flux.ai/adrian95/mf-r050-2~y77.md) - Part Type: Fuse - Current Rating: 500mA - Manufacturer Name: Bourns Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.bourns.com/docs/product-datasheets/mf-r.pdf - Manufacturer Part Number: MF-R050-2 **Pins:** - 1 [pin 1] - 2 [pin 2] ### J_BATA — [Phoenix Contact 1757242](https://www.flux.ai/adrian95/phoenix-contact-1757242~wl2.md) - Part Type: Connector - Manufacturer Name: Phoenix Contact - Role: BATTERY A - Connector Type: 2-pin screw terminal - Datasheet URL: https://www.phoenixcontact.com/product/pdf/api/v1/MTc1NzI0Mg?_realm=us&_locale=en-US&blocks=commercial-data%2Ctechnical-data%2Cdrawings%2Capprovals%2Cclassifications%2Cenvironmental-compliance-data%2Call-accessories - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1757242 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J_BTN — [S2B-XH-A(LF)(SN)](https://www.flux.ai/jecstronic/s2b-xh-alfsn~mfn.md) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Role: BOTAO - Manufacturer Name: JST - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: S2B-XH-A(LF)(SN) **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J_FAN — [Phoenix Contact 1757242](https://www.flux.ai/adrian95/phoenix-contact-1757242~wl2.md) - Datasheet URL: https://www.phoenixcontact.com/product/pdf/api/v1/MTc1NzI0Mg?_realm=us&_locale=en-US&blocks=commercial-data%2Ctechnical-data%2Cdrawings%2Capprovals%2Cclassifications%2Cenvironmental-compliance-data%2Call-accessories - Part Type: Connector - Manufacturer Name: Phoenix Contact - Manufacturer Part Number: 1757242 - License: https://creativecommons.org/licenses/by/4.0/ - Role: VENTOINHA - Connector Type: 2-pin screw terminal **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J_FLAME — [Pin Header 01x07 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x07-254mm-vertical~nle.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: ELECBEE CHAMA - Part Type: Connector **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] - Pin_7 [pin 7] ### J_IR — [S3B-XH-A(LF)(SN)](https://www.flux.ai/adrian95/s3b-xh-alfsn~2zy.md) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Manufacturer Name: JST Sales America Inc. - Role: RECEPTOR IR - Manufacturer Part Number: S3B-XH-A(LF)(SN) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J_L298N — [Pin Header 01x07 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x07-254mm-vertical~nle.md) - Part Type: Connector - Role: L298N CTRL - 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] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] ### J_LCD — [S4B-XH-A(LF)(SN)](https://www.flux.ai/jecstronic/s4b-xh-alfsn~zlf.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: S4B-XH-A(LF)(SN) - Role: LCD I2C - Manufacturer Name: JST - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Part Type: Connector **Pins:** - PIN_1 [pin 1] - PIN_2 [pin 2] - PIN_3 [pin 3] - PIN_4 [pin 4] ### J_LED_G — [S2B-XH-A(LF)(SN)](https://www.flux.ai/jecstronic/s2b-xh-alfsn~mfn.md) - Manufacturer Name: JST - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Role: LED VERDE - Manufacturer Part Number: S2B-XH-A(LF)(SN) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J_LED_R — [S2B-XH-A(LF)(SN)](https://www.flux.ai/jecstronic/s2b-xh-alfsn~mfn.md) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Manufacturer Name: JST - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role: LED VERMELHO - Manufacturer Part Number: S2B-XH-A(LF)(SN) **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J_LED_Y — [S2B-XH-A(LF)(SN)](https://www.flux.ai/jecstronic/s2b-xh-alfsn~mfn.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED AMARELO - Manufacturer Part Number: S2B-XH-A(LF)(SN) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Manufacturer Name: JST **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J_MPU8 — [Pin Header 01x08 2.54mm Horizontal](https://www.flux.ai/adrian95/pin-header-01x08-254mm-horizontal~0e0.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: MPU6050 header; horizontal 1x08 used because 1x08 vertical part was not available in library **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] - Pin_7 [pin 7] - Pin_8 [pin 8] ### J_US_L — [S4B-XH-A(LF)(SN)](https://www.flux.ai/jecstronic/s4b-xh-alfsn~zlf.md) - Manufacturer Part Number: S4B-XH-A(LF)(SN) - Manufacturer Name: JST - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role: HCSR04 ESQ **Pins:** - PIN_1 [pin 1] - PIN_2 [pin 2] - PIN_3 [pin 3] - PIN_4 [pin 4] ### J_US_R — [S4B-XH-A(LF)(SN)](https://www.flux.ai/jecstronic/s4b-xh-alfsn~zlf.md) - Role: HCSR04 DIR - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/eXH.pdf - Manufacturer Part Number: S4B-XH-A(LF)(SN) - Manufacturer Name: JST **Pins:** - PIN_1 [pin 1] - PIN_2 [pin 2] - PIN_3 [pin 3] - PIN_4 [pin 4] ### Q1 — [AO3400A](https://www.flux.ai/adrian95/ao3400a~ug9.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Alpha%20&%20Omega/AO3400A_ds.pdf - Role: Fan low-side switch - Manufacturer Part Number: AO3400A - Manufacturer Name: Alpha & Omega Semiconductor Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### U_IR — [TSOP38238](https://www.flux.ai/jecstronic/tsop38238~k1e.md) - Manufacturer Name: Vishay Semiconductor Opto Division - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Sensor - Role: Onboard IR receiver - Datasheet URL: https://www.vishay.com/docs/82491/tsop382.pdf - Manufacturer Part Number: TSOP38238 **Pins:** - GND [pin 2] - OUT [pin 1] - VS [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/andremassuca/arduino-mega-firefighting-robot-shield~si](https://www.flux.ai/andremassuca/arduino-mega-firefighting-robot-shield~si).* --- *Generated from [https://www.flux.ai/andremassuca/arduino-mega-firefighting-robot-shield~si](https://www.flux.ai/andremassuca/arduino-mega-firefighting-robot-shield~si)*