

Attiny84 breakout
- Size
- 16.5 × 19 mm
- Copper layers
- 2
- Thickness
- 1 mm
- Parts
- 23
- Nets
- 21
- Pads
- 86
- Tracks, vias
- 215, 20
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 29 Jul 2017
- Updated
- 22 Jan 2019
Overview
Attiny84 breakout is an open-source printed circuit board by Roboy, from the Roboy/Roboyduino repository on GitHub. It is a 2-layer board of 16.5 × 19 mm with 23 parts on 21 nets, routed with 215 tracks and 20 vias.
It is built around the ATTINY84A-MU. Its parts include 6 resistors, 5 capacitors, 3 diodes, 3 connectors and 1 IC. It belongs with the interfaces and adapters boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
1Parts
23| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 100n | Capacitors_SMD:C_0402 | C1, C3 |
| 2 | 1k | Resistors_SMD:R_0402 | R2, R6 |
| 2 | 22p | Capacitors_SMD:C_0402 | C4, C5 |
| 2 | 68 | Resistors_SMD:R_0402 | R4, R5 |
| 2 | CONN_01X07 | Pin_Headers:Pin_Header_Straight_1x07_Pitch2.54mm | P2, P3 |
| 2 | LED | LEDs:LED_0603 | D1, D4 |
| 1 | 1.5K | Resistors_SMD:R_0402 | R3 |
| 1 | 10k | Resistors_SMD:R_0402 | R1 |
| 1 | 10u | Capacitors_SMD:C_0603 | C2 |
| 1 | ATTINY84A-M | Housings_DFN_QFN:QFN-20-1EP_4x4mm_Pitch0.5mm | IC1 |
| 1 | CRYSTAL_SMD | Crystals:Crystal_SMD_3225-4pin_3.2x2.5mm | X1 |
| 1 | D_3V6 | Diodes_SMD:D_SOT-23_NKA | D2 |
| 1 | Ferrite_Bead_Small | Inductors_SMD:L_0402 | L1 |
| 1 | G*** | custom_lib:Roboy_Logo_F.SilkS | svg2mod |
| 1 | Polyfuse_Small | Fuse_Holders_and_Fuses:Fuse_SMD1206_Reflow | F1 |
| 1 | SW_PUSH | Buttons_Switches_SMD:SW_SPST_EVQPE1 | SW1 |
| 1 | USB_OTG | Connectors:USB_Micro-B | J1 |
Questions
How big is the Attiny84 breakout PCB?
It measures 16.5 × 19 mm and has 2 copper layers, 1 mm thick.
What parts does the Attiny84 breakout use?
23 parts, built around the ATTINY84A-MU. 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 Attiny84 breakout KiCad files?
From the Roboy/Roboyduino repository on GitHub, at the commit this page was made from: the board is Attiny84_breakout.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Attiny84 breakout design in my own project?
Its repository states no licence, so its author keeps all rights: ask Roboy before reusing the design.
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