A US$17 eInk display for my Qtum Stake.
Reference
- https://www.waveshare.com/1.54inch-e-paper-module.htm
- https://www.waveshare.com/wiki/1.54inch_e-Paper_Module_(B)
- http://www.instructables.com/id/Waveshare-EPaper-and-a-RaspberryPi/
Setup
assume you have did the similar setup in https://steemit.com/qtum/@cryptominder/qtum-staking-tutorial-using-qtumd-on-a-raspberry-pi-3
Make sure the SPI is enabled, edit /boot/config.txt and uncomment the line
sudo nano /boot/config.txt
dtparam=spi=on
The pin connection
Here is the connection between Raspberry Pi 3B and E-paper.
e-Paper RaspberryPi
3.3V(red) 3.3V (pin1)
GND GND (pin6)
DIN MOSI (pin19)
CLK SCLK (pin23)
CS CE0 (pin24)
DC BCM25(pin22)
RST BCM17(pin11)
BUSY BCM24(pin18)
Phython script
Download the demo code from https://www.waveshare.com/wiki/File:1.54inch_e-Paper_Module_code.7z
and unzip it.
Create a new python file e.g. nano read_qtum_wallet.py
script is currently raw
Source code here https://drive.google.com/file/d/0B_wF6Tm_vWFUMFV6ZzJNWGJSRzQ
Add to crontab</>
crontab -e
Run the script every 15min.
0,15,30,45 * * * * /usr/bin/python /home/pi/eInk/qtum/check_qtum_wallet.py