# Arduino Uno Keypad Door Lock Shield ## Description Arduino Uno shield PCB that reproduces the working keypad door lock breadboard wiring exactly, using female Uno headers, LCD and keypad connectors, servo and buzzer connections, indicator LEDs, mounting holes, silkscreen labels, and manufacturing exports. ## Project Details - **Owner:** carlinmonroe - **Created:** 4/8/2026 - **Last Updated:** 4/8/2026 - **Visibility:** Public ## Key Components ### A1 — [Arduino-UNO-R3](https://www.flux.ai/jecstronic/arduino-uno-r3~kf3.md) - Manufacturer Part Number: Arduino-UNO-R3 - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Arduino%20PDFs/A000066_Web.pdf - Part Type: Development Board - Manufacturer Name: Arduino - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - +3V3 [pin 4] - +5V [pin 5] - AREF [pin 30] - D0/RX [pin 15] - D1/TX [pin 16] - D10 [pin 25] - D11 [pin 26] - D12 [pin 27] - D13 [pin 28] - D14/A0 [pin 9] - D15/A1 [pin 10] - D16/A2 [pin 11] - D17/A3 [pin 12] - D18/A4 [pin 13] - D18/SDA [pin 31] - D19/A5 [pin 14] - D19/SCL [pin 32] - D2 [pin 17] - D3 [pin 18] - D4 [pin 19] - D5 [pin 20] - D6 [pin 21] - D7 [pin 22] - D8 [pin 23] - D9 [pin 24] - GND [pin 6] - GND [pin 7] - GND [pin 29] - IOREF [pin 2] - NC [pin 1] - RESET [pin 3] - VIN [pin 8] ### D1 — [WP937AD/EGW](https://www.flux.ai/jecstronic/wp937adegw~hi.md) - Manufacturer Name: Kingbright - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP937AD-EGW.pdf - Manufacturer Part Number: WP937AD/EGW **Pins:** - 1 [pin 1] - 2 [pin 2] ### D2 — [WP937AD/EGW](https://www.flux.ai/jecstronic/wp937adegw~hi.md) - Manufacturer Part Number: WP937AD/EGW - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP937AD-EGW.pdf - Manufacturer Name: Kingbright **Pins:** - 1 [pin 1] - 2 [pin 2] ### J_BUZZER — [280370-1](https://www.flux.ai/jecstronic/280370-1~dz4.md) - Part Type: Connector - Manufacturer Part Number: 280370-1 - Datasheet URL: https://www.te.com/usa-en/product-280370-1.datasheet.pdf - Manufacturer Name: TE Connectivity AMP Connectors - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### J_KEYPAD — [M20-7820842](https://www.flux.ai/cherepanyadima/m20-7820842~tw.md) - Manufacturer Part Number: M20-7820842 - Manufacturer Name: Harwin - Part Type: Connector - Datasheet URL: https://www.snapeda.com/parts/M20-7820842/Harwin/datasheet/ **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] ### J_LCD — [Pin Header 01x16 2.54mm Vertical](https://www.flux.ai/vasy_skral/pin-header-01x16-2p54mm-vertical~1qc.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_13 [pin 13] - Pin_14 [pin 14] - Pin_15 [pin 15] - Pin_16 [pin 16] - 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] - Pin_9 [pin 9] ### J_SERVO — [Pin Header 01x03 2.54mm Vertical for Servo Motor](https://www.flux.ai/project-x/pin-header-01x03-2p54mm-vertical-for-servo-motor~jl.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 5v [pin 2] - Data [pin 3] - Gnd [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/carlinmonroe/arduino-uno-keypad-door-lock-shield~r5](https://www.flux.ai/carlinmonroe/arduino-uno-keypad-door-lock-shield~r5).* --- *Generated from [https://www.flux.ai/carlinmonroe/arduino-uno-keypad-door-lock-shield~r5](https://www.flux.ai/carlinmonroe/arduino-uno-keypad-door-lock-shield~r5)*