2 layers83.3 × 65.3 mm
SimonShield
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46 parts14kMIT
2 layers100 × 80 mm
Bombitapp
luqas11/bombitappControl and protection device for water pump engines.
- Size
- 100 × 80 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 24
- Nets
- 45
- Pads
- 88
- Tracks, vias
- 90, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 11 May 2023
- Updated
- 18 Jan 2026
Overview
Bombitapp is an open-source printed circuit board by luqas11, from the luqas11/bombitapp repository on GitHub. It is a 2-layer board of 100 × 80 mm with 24 parts on 45 nets, routed with 90 tracks and 0 vias.
It is built around the BC547. Its parts include 7 resistors, 4 diodes, 2 transistors and 2 switches. It belongs with the ESP8266 boards of this library.
Main components
1README
pcb/README.mdPCB
This is a PCB design that implements the connections between the 220VAC relays and optocoupliers and the ESP board, along with all the necessary 3D printed parts to enable component mounting. The circuit schematic and the PCB layout are printed in the pcb-schematic.pdf and pcb-layout.pdf files respectively.
Parts
24| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 220 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R6, R7 |
| 2 | 1.5M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2 |
| 2 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D3, D4 |
| 2 | 56k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R4 |
| 2 | BC547 | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2 |
| 2 | Conn_01x02 | Custom_Footprints:PinSocket_1x02 | Led1, Power1 |
| 2 | Conn_01x04 | Custom_Footprints:TerminalBlock_1x04 | Device1, Device2 |
| 2 | Generic_Relay | Relay_THT:Relay_SPDT_Finder_36.11 | K1, K2 |
| 1 | Node_MCU | Custom_Footprints:Node_MCU | MCU1 |
| 1 | Optocoupler_Left | Custom_Footprints:Optocoupler_Left | OP1 |
| 1 | Optocoupler_Right | Custom_Footprints:Optocoupler_Right | OP2 |
The 20 most common of 24 parts.
Questions
How big is the Bombitapp PCB?
It measures 100 × 80 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Bombitapp use?
24 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.
Where can I download the Bombitapp KiCad files?
From the luqas11/bombitapp repository on GitHub, at the commit this page was made from: the board is pcb/pcb.kicad_pcb and its schematic pcb/pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Bombitapp design in my own project?
Its repository states no licence, so its author keeps all rights: ask luqas11 before reusing the design.
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