2 layers27.9 × 16.5 mm
2 layers34 × 18.8 mm
Kl2-dev
kcuzner/kl2-dev6Freescale KL2x Development Board Experiment
- Size
- 34 × 18.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 35
- Pads
- 97
- Tracks, vias
- 243, 35
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 19 Jan 2015
- Updated
- 13 Dec 2016
Overview
Kl2-dev is an open-source printed circuit board by kcuzner, from the kcuzner/kl2-dev repository on GitHub. It is a 2-layer board of 34 × 18.8 mm with 18 parts on 35 nets, routed with 243 tracks and 35 vias.
It is built around the MKL26Z32VFM4. Its parts include 6 capacitors, 5 resistors, 4 connectors, 1 IC and 1 diode. It belongs with the microcontroller boards boards and the NXP (LPC, Kinetis, i.MX RT) boards of this library.
Main components
1README
README.mdKinetis KL2 Development Board
Kevin Cuzner
Objective
Create a development board for a bare-metal ARM Microcontroller with minimal parts while allowing for maximum prototypability.
Purpose
To learn from hard experience what exactly is needed to implement from the ground up a platform using an ARM-based microcontroller
Idea
The board will have the following:
- The Freescale MKL26Z32VFM4 48Mhz ARM Cortex-M0+ microcontroller, 32QFN (5mm)
- Any needed support componenets
- A DIP-compatible footprint. The goal is to be near the size of a teensy.
The goals are as follows:
- $10 price point
- $2.72 for the uC
- $5 board
- $3 supporting components
- Perhaps a USB port even
- Easy to construct with sufficient SMD soldering skill
- We will produce 3 of them
- 1 practice, 2 assembled on camera
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | .1u | SM0603_Capa | C1, C3 |
| 2 | 20p | SM0603_Capa | C5, C6 |
| 2 | 33 | SM0603_Resistor | R4, R5 |
| 2 | CONN_13 | 1x13 | P1, P2 |
| 1 | 0 | SM0603_Resistor | R2 |
| 1 | 1meg | SM0603_Resistor | R1 |
| 1 | 2.2u | SM0603_Capa | C4 |
| 1 | 4700p | SM0603_Capa | C2 |
| 1 | CRYSTAL | HC-49V | X1 |
| 1 | DIODE | SOD123 | D1 |
| 1 | MKL26Z32VFM4 | QFN32-5x5 | U1 |
| 1 | R | SM0603_Resistor | R3 |
| 1 | TST | THERM5x5 | P3 |
| 1 | USB-MINI-B | USB-MICRO-B | CON1 |
Questions
How big is the Kl2-dev PCB?
It measures 34 × 18.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Kl2-dev use?
18 parts, built around the MKL26Z32VFM4. 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 Kl2-dev KiCad files?
From the kcuzner/kl2-dev repository on GitHub, at the commit this page was made from: the board is kicad/kl2-dev.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Kl2-dev design in my own project?
Its repository states no licence, so its author keeps all rights: ask kcuzner before reusing the design.
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