2 layers107 × 54 mm
2 layers64.4 × 58 mm
16 Lights
CtrlSophie/Heart-PCB- Size
- 64.4 × 58 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 11
- Pads
- 57
- Tracks, vias
- 96, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 5 Aug 2026
- Updated
- 5 Aug 2026
Overview
16 Lights is an open-source printed circuit board by CtrlSophie, from the CtrlSophie/Heart-PCB repository on GitHub. It is a 2-layer board of 64.4 × 58 mm with 25 parts on 11 nets, routed with 96 tracks and 0 vias.
It is built around the NE555D. Its parts include 16 diodes, 5 resistors, 1 capacitor, 1 IC and 1 connector.
Main components
1README
README.mdHeart PCB Project
In this project, I work on making a low-energy PCB with LEDs that fade on and off.
First Iteration
- Simple circuit
- Provision for power supply with JST
- Uses only one IC; NE555
- Does not exactly fade.
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | LED | LED_THT:LED_D3.0mm | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16 |
| 4 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R2, R6, R10, R14 |
| 1 | 100uF | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C1 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R1 |
| 1 | NE555D | Package_DIP:DIP-8_W7.62mm_Socket_LongPads | U1 |
| 1 | conn | Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J1 |
| 1 | pot | Potentiometer_THT:Potentiometer_Bourns_3386P_Vertical | RV1 |
Questions
How big is the 16 Lights PCB?
It measures 64.4 × 58 mm and has 2 copper layers, 1.6 mm thick.
What parts does the 16 Lights use?
25 parts, built around the NE555D. 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 16 Lights KiCad files?
From the CtrlSophie/Heart-PCB repository on GitHub, at the commit this page was made from: the board is 16 Lights.kicad_pcb and its schematic 16 Lights.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 16 Lights design in my own project?
Its repository states no licence, so its author keeps all rights: ask CtrlSophie before reusing the design.
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