Here is a fourth release candidate for Teensyduino 1.18.

Old beta download links removed. Please use the latest version:

This is likely to be the last release candidate before a final 1.18 release this week.

Please give this a try and report any bugs. Try to include a sample program that reproduces the problem!

Here's a list of the changes since Teensyduino 1.18-rc3:

  • Add Serial1.transmitterEnable(pin) for RS-485 applications
  • Fix startup issue impacting Neopixel library on Teensy 3.1
  • Fix analogRead(39) (1.2V ref) on Teensy 3.1
  • Add missing register definitions for Teensy 3.1
  • Improve early startup hook, thanks to Anbroz Bizjak
  • Fix Arduino IDE library conflicts, Adafruit_GFX vs Robot libs
  • Mouse wheel support for scrolling long menus in Arduino IDE