
OSO BOOK C1
joeycastillo/The-Open-Book
For details on how to build, test and use Open Book, I've made documentation available here.

Hardware and software source for the pISO
PHAT is an open-source printed circuit board by ALSchwalm, from the ALSchwalm/pISO repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 65 × 30 mm with 38 parts on 21 nets, routed with 300 tracks and 38 vias.
Its parts include 5 capacitors, 4 resistors, 3 switches, 2 connectors and 1 IC. It belongs with the AVR (ATmega, ATtiny) boards of this library.
First, clone the project with git clone --recursive https://github.com/ALSchwalm/pISO.git
Just have make and docker installed and run:
make sdimageWithout docker, you will need to first ensure you have all of the appropriate dependencies installed (see this list ).
cd buildroot
cp configs/piso_defconfig .config
makeEither approach should produce a file in buildroot/output/images/sdcard.img. This file can
be written directly to an SD card (e.x., with dd).
The pISO source code and hardware designs are licensed under the terms of the GNU General Public License 3.0. For additional information see the LICENSE file.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 2.2uF | Capacitors_SMD:C_0805 | C1, C2, VBAT1, VCOMH1, VDD1 |
| 4 | 10k | Resistors_SMD:R_0805 | R1, R2, R3, R5 |
| 4 | mount1 | pISO:mount | M1, M2, M3, M4 |
| 3 | SW_Push | pISO:spst | SW1, SW2, SW3 |
| 3 | VDD5 | pISO:SLP | A1, B1, NO1 |
| 2 | ExtraPOGO | pISO:SLP | W1, W2 |
| 1 | 10uF | Capacitors_SMD:C_0805 | VCC1 |
| 1 | 390 | Resistors_SMD:R_0805 | IREF1 |
| 1 | 3V3 | pISO:SLP | W13 |
| 1 | ATTINY25/45/85 | Housings_SOIC:SOIJ-8_5.3x5.3mm_Pitch1.27mm | U1 |
| 1 | CONN_01X30 | pISO:FPC_30 | P4 |
| 1 | CS | pISO:SLP | W8 |
| 1 | DC | pISO:SLP | W11 |
| 1 | D_N | pISO:SLP | W14 |
| 1 | D_P | pISO:SLP | W15 |
| 1 | GND | pISO:SLP | W12 |
| 1 | LOGO | pISO:LOGO | DNP1 |
| 1 | MOSI | pISO:SLP | W9 |
| 1 | POWER | pISO:SLP | W5 |
| 1 | RST | pISO:SLP | W7 |
| 1 | SCLK | pISO:SLP | W10 |
| 1 | USB_A | pISO:usb | P2 |
The 37 most common of 38 parts.
It measures 65 × 30 mm and has 2 copper layers, 1.6 mm thick.
38 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.
From the ALSchwalm/pISO repository on GitHub, at the commit this page was made from: the board is pcb/pHAT/pHAT.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

joeycastillo/The-Open-Book
For details on how to build, test and use Open Book, I've made documentation available here.


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