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This repository contains the KiCad project files for the PCB design of the Smart Bell system using the ESP32 microcontroller. It includes schematic diagrams, PCB layout files, custom libraries, and project settings.
Smart bell pcb esp32 is an open-source printed circuit board by 4mrit, from the 4mrit/smart-switch-pcb-esp32 repository on GitHub. It is a 2-layer board with 10 parts on 34 nets, routed with 2 tracks and 0 vias.
It is built around the BC547. Its parts include 3 connectors, 2 resistors, 1 capacitor, 1 IC and 1 diode. It belongs with the ESP32 boards of this library.
This repository contains the KiCad project files for the PCB design of the Smart Bell system using the ESP32 microcontroller. It includes schematic diagrams, PCB layout files, custom libraries, and project settings.
/: Root directory containing this README.md and other documentation./: Contains KiCad project files for the ESP32 PCB design.
*.kicad_sch: Schematic files for the PCB design.*.kicad_pcb: PCB layout files.*.kicad_pro: Project settings and metadata./KICAD_LIBRARIES/: Custom libraries and components used in the design./custom/: Additional custom components.README.md: Documentation specific to the ESP32 PCB design.*.kicad_sch: Schematic diagrams for the PCB.*.kicad_pcb: PCB layout files.*.kicad_pro: Project configuration and settings./KICAD_LIBRARIES/: Custom KiCad libraries and components./custom/: Additional custom components and libraries.Clone the Repository: Clone this repository to your local machine.
git clone https://github.com/4mrit/smart-bell-pcb-esp32.gitOpen in KiCad: Open the .kicad_pro file in KiCad to access the project files.
Review and Modify: Review the schematic and PCB layout. Modify as necessary for your specific requirements.
Generate Outputs: Use KiCad to generate PCB manufacturing files, such as Gerbers and Bill of Materials (BoM).
This project is licensed under the MIT License.
For questions or issues, please contact at amritpaudel03@gmail.com.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
| 1 | BC547 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | Barrel_Jack_MountingPin | Connector_BarrelJack:BarrelJack_Horizontal | J1 |
| 1 | C_Polarized_US | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C1 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J3 |
| 1 | ESP32_DEVKIT_V1 | customLibraries:ESP32_DEVKIT_V1 | U1 |
| 1 | FINDER-40.11 | Relay_THT:Relay_SPDT_Finder_40.11 | K1 |
| 1 | Screw_Terminal_01x03 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-3-5.0-H_1x03_P5.00mm_Horizontal | J2 |
10 parts, built around the BC547. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the 4mrit/smart-switch-pcb-esp32 repository on GitHub, at the commit this page was made from: the board is smart-bell-pcb-esp32.kicad_pcb and its schematic smart-bell-pcb-esp32.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask 4mrit before reusing the design.

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