I2C LCD 20×4

March 21, 2018 tsonter 61

One of my recent RPi projects involved the use of an 20×4 LCD. This an HD44780 driven LCD, they are very popular, this guide is […]

Serial Nightmare

March 13, 2018 tsonter 0

Connecting a serial device to raspberry pi should be dead easy…well…it is not…sometimes it can be a real nightmare. There are two main reasons for […]

I2C Permissions

March 12, 2018 tsonter 66

Ever tried running a python script as a cron job or as an snmp script that involves I2C access only to get  Error (13) Permission […]