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Touchdisplay running on ESP8266 (Wemos) – RPI Remote Controll

Introduction I am using a 1.8 Inch LCD Screen SPI Serial Port Module TFT Color Display Touch Screen ST7735 (128*160)  for Arduino”, bought for 9€ from aliexpress.com. Details: Display Processor: ST7735, Touch Processor: XPT2046, Display Type: ZJY180-TV2.0,128*160, as ESP8266 I am using the WEMOS D1 Mini Pro (v 2.0) https://wiki.wemos.cc/products:d1:d1_mini_pro. Its part of my Project “BigPi” to use the PI4 as my central home server. I decided it needs a display. Things should look nice..so Read more…

By cneuhaus, ago

Migrating from MySQL to Postgres

I am having some trouble on the RPI 4 to get Rails installed and finding the right version of MYSQL (MariaDB) and ActiveRecord while running an older version of Rails and a newer version of Sphinx (search index). Anyway I always wanted to move to PostgreSQL…thats the time to do. The tool of my choise: PGLoader I realized pgloader does not like to run on the RPI, but the solution is easy: SourceDB (Cubietrack) <-> Read more…

By cneuhaus, ago