• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.


  1. J

    Problem trying to send several bytes using I2C, TM4C123 biard

    Hi all, I am asking for your help because I am trying to send several bytes using the I2C protocol in a program wich makes use of 2 I2C modules, and looks that it gets stuck after sending the first byte when checking the BUSY bit in I2CMCS. The board I am programming is the TM4C123GH6PM. Here...
  2. J

    Problem implementing the touch interface part of a RA8875 LCD touch display

    Hi all, I am programming a 5 inch display bought in buydisplay (https://www.buydisplay.com/5-inch-tft-lcd-module-800x480-display-controller-i2c-serial-spi) which has a RA8875 chip and a capacitive touch panel (both use the I2C protocol), and even though I have been able to write text for...

Latest threads

EE World Online Articles