2 layers27.9 × 16.5 mm
2 layers62.2 × 31.7 mm
Cycloid
a1k0n/cycloid188self-racing car platform
- Size
- 62.2 × 31.7 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 52
- Pads
- 97
- Tracks, vias
- 98, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 11 Aug 2017
- Updated
- 5 Oct 2022
Overview
Cycloid is an open-source printed circuit board by a1k0n, from the a1k0n/cycloid repository on GitHub, published under the MIT licence. It is a 2-layer board of 62.2 × 31.7 mm with 18 parts on 52 nets, routed with 98 tracks and 0 vias.
Its parts include 11 connectors, 2 resistors and 1 IC. It belongs with the NXP (LPC, Kinetis, i.MX RT) boards of this library.
README
hw/pcb/README.mdThis is a PCB which carries the Teensy 3.2 and connects to the servo & speed controller on the car, as well as the stock R/C radio, wheel encoders, and an analog feedback tap from the servo's internal potentiometer (requires modifying servo).
It has the same mounting holes as the PCA9685 I2C PWM expander board commonly used for the purpose of connecting a Raspberry Pi to an R/C car.
It can be seen (and purchased) here:
(Note that I have a ton of extras; if you ask me at an Oakland DIYRobocars race I'll give you one)
It also has an i2c piggyback connection for the IMU.
R1 and R2 are pull-up resistors for I2C; I do not recommend populating them, however.
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | CONN_01X04_MALE | Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm | J1, J2, J3, J4, J5, J6 |
| 4 | CONN_01X03_MALE | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | J8, J9, J10, J11 |
| 2 | 4k7 | Resistors_SMD:R_0805_HandSoldering | R1, R2 |
| 1 | CONN_01X02_MALE | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J7 |
| 1 | Teensy3.2 | Teensy:Teensy30_31_32_LC | U1 |
The 14 most common of 18 parts.
Questions
How big is the Cycloid PCB?
It measures 62.2 × 31.7 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Cycloid use?
18 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 Cycloid KiCad files?
From the a1k0n/cycloid repository on GitHub, at the commit this page was made from: the board is hw/pcb/cycloid.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Cycloid 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).
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