2 layers50 × 23.2 mm
Analog
hoglet67/RGBtoHDMI
Bare-metal Raspberry Pi project that provides pixel-perfect sampling of Retro Computer RGB/YUV video and conversion to HDMI
32 parts1kGPL-3.0
2 layers
Electrical Engineering project, to try and create calculator using transistors and logic gates
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 24
- Pads
- 71
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 6 (file 20211014)
- Created
- 6 Nov 2025
- Updated
- 10 Nov 2025
Overview
BOSTON is an open-source printed circuit board by bitterpanda63, from the bitterpanda63/ect-eng-boston repository on GitHub, published under the MIT licence. It is a 2-layer board with 32 parts on 24 nets.
Its parts include 12 resistors, 10 diodes, 6 transistors, 3 connectors and 1 switch.
README
README.mdElectrical Engineering Project: boston
Electrical Engineering project, to try and create calculator using transistors and logic gates
Parts
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | DIODE | Diode_THT:D_5W_P5.08mm_Vertical_AnodeUp | D1, D2, D3, D4, D5, D6, D9, D10 |
| 6 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R1, R2, R3, R6, R8, R9 |
| 6 | 2N2219 | Package_TO_SOT_THT:NEC_Molded_7x4x9mm | Q1, Q2, Q3, Q4, Q5, Q6 |
| 4 | 200 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R4, R5, R7, R12 |
| 2 | 2k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R10, R11 |
| 1 | PINS_CARRY | Connector_PinHeader_2.00mm:PinHeader_1x01_P2.00mm_Vertical | J1 |
| 1 | PINS_Vin | Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical | J2 |
| 1 | PINS_Vout | Connector_PinHeader_2.00mm:PinHeader_1x02_P2.00mm_Vertical | J3 |
| 1 | RED | LED_THT:LED_D3.0mm | D7 |
| 1 | RED_CARRY | LED_THT:LED_D3.0mm | D8 |
| 1 | SW_DIP_2 | Package_DIP:DIP-4_W7.62mm | SW1 |
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Questions
What parts does the BOSTON use?
32 parts. 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 BOSTON KiCad files?
From the bitterpanda63/ect-eng-boston repository on GitHub, at the commit this page was made from: the board is BOSTON.kicad_pcb and its schematic BOSTON.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BOSTON design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).