pinout.vvzero.com/draft/overlay/template.md

<!--
---
name: PaPiRus
class: board
type: display
formfactor: HAT
manufacturer: Pi Supply
description: PaPiRus is an ePaper / eInk screen HAT module for the Raspberry Pi
url: https://www.kickstarter.com/projects/pisupply/papirus-the-epaper-screen-hat-for-your-raspberry-p
github: https://github.com/PiSupply/PaPiRus
schematic:
buy: https://www.pi-supply.com/product/papirus-epaper-eink-screen-hat-for-raspberry-pi/
image: 'pisupply-papirus.png'
pincount: 40
eeprom: yes
power:
  '1':
  '2':
ground:
  '6':
  '9':
  '14':
  '20':
  '25':
  '30':
  '34':
  '39':
pin:
  '3':
    mode: i2c
  '5':
    mode: i2c
  '8':
    name: Border Control
  '10':
    name: Discharge
  '11':
    name: Temp Sens          
  '12':
    name: ePaper PWM
  '13':
    name: RTC
  '16':
    name: Panel On
  '18':
    name: Reset COG (Chip On Glass) 
  '19':
    mode: spi
  '21':
    mode: spi
  '22':
    name: Busy COG (Chip On Glass)
  '23':
    mode: spi
  '24':
    mode: spi
  '26':
    mode: spi
  '27':
    mode: i2c
  '28':
    mode: i2c
  '36':
    name: Button 1
    mode: input
    active: low
  '37':
    name: Button 2
    mode: input
    active: low  
  '38':
    name: Button 3
    mode: input
    active: low
  '40':
    name: Button 4
    mode: input
    active: low
-->
#PaPiRus ePaper eInk display
*Raspberry Pi HAT compliant design
*Interchangeable screen sizes (1.44", 2.0" or 2.7")
*32MBit Flash Memory
*Battery Backed Real Time Clock (CR2032 battery included)
*Easy plug and play operation with onboard EEPROM
*Digital temperature sensor and thermal watchdog
*GPIO breakout connector and solder pads
*Optional reset pin header (for wake on alarm with RTC)
*4 x optional slimline switches on top

Before using PaPiRus, do not forget to enable the SPI interface!

To get the HAT set up and ready to go you can use the one-line product installer:

```bash
curl -sSL https://goo.gl/i1Imel | sudo bash
```