2 layers327.9 × 139 mm
Coco2
baldengineer/bit-preserve
Project for capturing vintage, classic, aka old computer schematics in KiCad.
147 parts446
2 layers38.3 × 27 mm
Blink twice
CapnKernel/blink-twiceA whimsical design which blinks twice. Perfect for when you've been kidnapped!
- Size
- 38.3 × 27 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 13
- Nets
- 20
- Pads
- 46
- Tracks, vias
- 74, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 28 Feb 2024
- Updated
- 28 Feb 2024
Overview
Blink twice is an open-source printed circuit board by CapnKernel, from the CapnKernel/blink-twice repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 38.3 × 27 mm with 13 parts on 20 nets, routed with 74 tracks and 0 vias.
It is built around the NE555P. Its parts include 4 resistors, 3 capacitors, 3 diodes and 2 ICs.
Main components
1Parts
13| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 1N914 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2 |
| 1 | 100n | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C1 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4 |
| 1 | 10n | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C3 |
| 1 | 4017 | Package_DIP:DIP-16_W7.62mm | U2 |
| 1 | 47u | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C2 |
| 1 | 4k7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3 |
| 1 | 8k2 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 1 | 9V | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | BT1 |
| 1 | LED | LED_THT:LED_D5.0mm | D3 |
| 1 | NE555P | Package_DIP:DIP-8_W7.62mm | U3 |
| 1 | R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
Questions
How big is the Blink twice PCB?
It measures 38.3 × 27 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Blink twice use?
13 parts, built around the NE555P. 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 Blink twice KiCad files?
From the CapnKernel/blink-twice repository on GitHub, at the commit this page was made from: the board is blink-twice.kicad_pcb and its schematic blink-twice.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Blink twice design in my own project?
Its repository publishes it under the CC0-1.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
Similar boards
- 2 layers370.8 × 298.5 mm
8 Bit Computer
The-Invent0r/8-bit-Computer-PCB
These are the KiCAD files for my 8-Bit Computer.
323 parts142 - 2 layers200 × 96 mm
Touchtone555
DarcyJProjects/touchtone555
An open-source DIY, NE555-based analogue synthesizer - play notes with a stylus
73 parts33 - 4 layers340 × 210 mm
- 2 layers152.9 × 74.9 mm
- 2 layers88.9 × 50.8 mm
SynthCard
benjiaomodular/SynthCard
I designed this project with the help of PCBWay. You can get a copy of these cards through the PCBWay Shared Projects page.
16 parts19MIT - 4 layers194.5 × 188.6 mm
MyCpu
fortinsylvain/MyCpu
Home brew CPU Hardware with 1-bit ALU implementation using 74LSxx, a micro-code and assembler coded in C#.
162 parts18MIT - 2 layers145.3 × 129.9 mm
C128Diag
hackup/C128Diag
Replica of the Commodore C128 Diagnostic Test cartridge Assy No. 325093-01.
61 parts16