# Keypad lock reference design ## Description This project involves the design of a keypad lock system. It utilizes an ATMEGA328P microcontroller, buzzers, LEDs for indicator functions and a 4x3 matrix keypad. An in-circuit serial programming (ISP) header is also present for programming the microcontroller. #project #Template #projectTemplate #lock #keypad #arduino #atmega328 #TPS613222A #ISP #buzzer #referenceDesign #simple-embedded #microchip #template #reference-design ## Project Details - **Owner:** christophx - **Created:** 2/23/2024 - **Last Updated:** 2/23/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Stars:** 1 - **Copies:** 6 ## Key Components ### * — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Manufacturer Part Number: B3FS-4055P - Manufacturer Name: Omron Electronics Inc-EMC Div - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Part Type: Switch **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### # — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Part Type: Switch **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 0 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Part Type: Switch - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 1 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Part Type: Switch - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 2 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Manufacturer Part Number: B3FS-4055P - Manufacturer Name: Omron Electronics Inc-EMC Div - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Part Type: Switch **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 3 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Part Type: Switch - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 4 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Part Type: Switch - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 5 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P - Part Type: Switch - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 6 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Part Type: Switch - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 7 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P - Part Type: Switch - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 8 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Manufacturer Name: Omron Electronics Inc-EMC Div - Manufacturer Part Number: B3FS-4055P - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Part Type: Switch **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### 9 — [B3FS-4055P](https://www.flux.ai/vasy_skral/b3fs-4055p~rgg.md) - Manufacturer Part Number: B3FS-4055P - Manufacturer Name: Omron Electronics Inc-EMC Div - Datasheet URL: https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs_4.pdf - Part Type: Switch **Pins:** - ~ [pin 3] - ~ [pin 4] - ~ [pin 2] - ~ [pin 1] ### BAT1 — [BC2AAPC](https://www.flux.ai/vasy_skral/bc2aapc~866.md) - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1086/BC2AAPC.pdf - Part Type: Connector - Manufacturer Name: MPD (Memory Protection Devices) - Manufacturer Part Number: BC2AAPC - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - - [pin 2] - + [pin 1] ### BZ1 — [GT-0905A](https://www.flux.ai/vasy_skral/gt-0905a~82.md) - Part Type: Buzzers - Manufacturer Part Number: GT-0905A - Datasheet URL: https://www.soberton.com/wp-content/uploads/2019/02/GT-0905A-19-Feb-2019.pdf - Manufacturer Name: Soberton Inc. **Pins:** - - - + ### D1 — [BAT60JFILM](https://www.flux.ai/vasy_skral/bat60jfilm~rjz.md) - Manufacturer Name: STMicroelectronics - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/3d/d2/27/1d/20/e3/4d/48/CD00001944.pdf/files/CD00001944.pdf/jcr:content/translations/en.CD00001944.pdf - Part Type: Diode - Manufacturer Part Number: BAT60JFILM **Pins:** - A [pin 2] - K [pin 1] ### GREEN — [LED-THT-3MM](https://www.flux.ai/vasy_skral/led-tht-3mm~34u.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### IC1 — [TPS613222ADBVR](https://www.flux.ai/vasy_skral/tps613222adbvr~ek.md) - Manufacturer Part Number: TPS613222ADBVR - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Ftps61322 **Pins:** - GND [pin 2] - NC [pin 5] - NC [pin 3] - SW [pin 1] - VOUT [pin 4] ### Q1 — [S8050](https://www.flux.ai/adrian95/s8050~wjp.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: S8050 - Manufacturer Name: MDD - Datasheet URL: https://pdf1.alldatasheet.com/datasheet-pdf/view/33773/WINGS/S8050.html - Part Type: Transistor **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### RED — [LED-THT-3MM](https://www.flux.ai/vasy_skral/led-tht-3mm~34u.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### RST — [PTS815](https://www.flux.ai/vasy_skral/pts815~6b.md) - Part Type: Switch - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf - Manufacturer Name: C&K - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### U1 — [ATMEGA328P-MU](https://www.flux.ai/vasy_skral/atmega328p-mu~wrm.md) - Manufacturer Name: Microchip - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061B.pdf - Part Type: Microcontroller - Manufacturer Part Number: ATMEGA328P-MU **Pins:** - ~RESET~/PC6 [pin 29] - ADC6 [pin 19] - ADC7 [pin 22] - AREF [pin 20] - AVCC [pin 18] - GND [pin 33] - GND [pin 21] - GND [pin 3] - GND [pin 5] - PB0 [pin 12] - PB1 [pin 13] - PB2 [pin 14] - PB3 [pin 15] - PB4 [pin 16] - PB5 [pin 17] - PC0 [pin 23] - PC1 [pin 24] - PC2 [pin 25] - PC3 [pin 26] - PC4 [pin 27] - PC5 [pin 28] - PD0 [pin 30] - PD1 [pin 31] - PD2 [pin 32] - PD3 [pin 1] - PD4 [pin 2] - PD5 [pin 9] - PD6 [pin 10] - PD7 [pin 11] - VCC [pin 4] - VCC [pin 6] - XTAL1/PB6 [pin 7] - XTAL2/PB7 [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/christophx/keypad-lock-reference-design~xi](https://www.flux.ai/christophx/keypad-lock-reference-design~xi).* --- *Generated from [https://www.flux.ai/christophx/keypad-lock-reference-design~xi](https://www.flux.ai/christophx/keypad-lock-reference-design~xi)*