4 layers120.7 × 127 mm
2 layers76.2 × 17.8 mm
Led cap
UMaineECE498/LEDGradCap1LED Graduation Cap
- Size
- 76.2 × 17.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 16
- Nets
- 18
- Pads
- 54
- Tracks, vias
- 162, 15
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 1 Feb 2015
- Updated
- 4 May 2015
Overview
Led cap is an open-source printed circuit board by UMaineECE498, from the UMaineECE498/LEDGradCap repository on GitHub. It is a 2-layer board of 76.2 × 17.8 mm with 16 parts on 18 nets, routed with 162 tracks and 15 vias.
It is built around the ATTINY20-XU and IRLML2402PBF-HXY. Its parts include 2 capacitors, 2 resistors, 2 ICs, 2 connectors and 1 transistor. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
2
ATTINY20-XU
TSSOP-14-40℃~+85℃ 1.8V~5.5V 10bit 12 128Byte 12MHz 2KB 8 Bit AVR Built-in FLASH TSSOP-14 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontroller Units (MCUs/MPUs/SOCs)
IRLML2402PBF-HXY
SOT-23-55℃~+150℃ 1 N-channel 1.2V 2.3A 20V 5nC 60mΩ@4.5V 900mW SOT-23 MOSFETs ROHSHXY MOSFETMOSFETs
README
hardware/readme.mdHardware
This directory contains the PCB and Schematic layout files.
Please note that the EDA suite is Kicad version 2014-jul-16
Parts
16| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | VAL** | mods.pretty:1pin | 1pin, 1pin, 1pin, 1pin, 1pin, 1pin |
| 2 | 2k2 | Resistors_SMD:R_0603_HandSoldering | R1, R2 |
| 1 | .1u | Capacitors_SMD:C_0805_HandSoldering | C1 |
| 1 | 1u | Capacitors_SMD:C_0805_HandSoldering | C2 |
| 1 | ATTINY20-X | tssop-14:TSSOP14 | IC1 |
| 1 | CONN_3 | mods.pretty:LEDS | K1 |
| 1 | IRLML2402PbF | mods.pretty:SOT-323-b | Q1 |
| 1 | MMA7660 | dfn-10:MMA7660FC | U1 |
| 1 | TPI pgrm | Pin_Headers:Pin_Header_Straight_1x06 | P2 |
| 1 | battery | mods.pretty:AA_Box | P1 |
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Questions
How big is the Led cap PCB?
It measures 76.2 × 17.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Led cap use?
16 parts, built around the ATTINY20-XU and IRLML2402PBF-HXY. 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 Led cap KiCad files?
From the UMaineECE498/LEDGradCap repository on GitHub, at the commit this page was made from: the board is hardware/led-cap.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Led cap design in my own project?
Its repository states no licence, so its author keeps all rights: ask UMaineECE498 before reusing the design.