2 layers80 × 110 mm
NucDeck Left Controller PCB
dmcke5/NucDeck
The Open Source DIY Handheld Gaming PC!
59 parts561CERN-OHL-S-2.0
2 layers34.5 × 60.2 mm
Avr demo
CreateRemoteThread/avr-scardavr smartcard thing
- Size
- 34.5 × 60.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 16
- Nets
- 32
- Pads
- 68
- Tracks, vias
- 105, 0
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 13 May 2020
- Updated
- 1 Aug 2021
Overview
Avr demo is an open-source printed circuit board by CreateRemoteThread, from the CreateRemoteThread/avr-scard repository on GitHub. It is a 2-layer board of 34.5 × 60.2 mm with 16 parts on 32 nets, routed with 105 tracks and 0 vias.
It is built around the ATMEGA328P-AU. Its parts include 4 connectors, 1 IC, 1 diode, 1 switch and 1 crystal. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdavr-scard
this is an extremely minimal t0 iso7816 reader based off an atmega328p, communicating over serial at 9600 baud.
this implements a fixed wait after 5 bytes of APDU, but otherwise does not guarantee reponses for APDU's. the pyserial driver is currently a part of sparkgap. The pin out is as follows:
- B4: Status LED
- B0: Target I/O
- B2: Target Reset
- B1: Target Clk
- C5: Trigger (after APDU Send)
this is based off https://www.makomk.com/2011/02/25/iso-7816-smartcard-interface-for-arduino/
Parts
16| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R_SHUNT_GND1, R_SHUNT_VCC1, R1, R2 |
| 2 | C | avr_demo:SW_6x6 | C_BIG1, C_LITTLE1 |
| 2 | Conn_01x01_Male | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J3, J4 |
| 2 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | CONN_BOT1, CONN_TOP1 |
| 1 | ATmega328P-AU | Package_QFP:TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | AVR-ISP-6 | avr_demo:AVRISP_2x3 | J1 |
| 1 | Conn_01x04 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | Crystal | Crystal:Crystal_HC49-4H_Vertical | Y1 |
| 1 | LED | LED_THT:LED_D5.0mm | D1 |
| 1 | SW_Push | avr_demo:SW_6x6 | SW1 |
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Questions
How big is the Avr demo PCB?
It measures 34.5 × 60.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Avr demo use?
16 parts, built around the ATMEGA328P-AU. 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 Avr demo KiCad files?
From the CreateRemoteThread/avr-scard repository on GitHub, at the commit this page was made from: the board is pcb/avr_demo.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Avr demo design in my own project?
Its repository states no licence, so its author keeps all rights: ask CreateRemoteThread before reusing the design.