More FTDI EVE fixes (RAMPS, Cheetah) (#17759)

2020-05-05 09:38:06 +02:00
parent 2acdd2fadc
commit 3fd8ef52c5
4 changed files with 72 additions and 39 deletions
--- a/Marlin/src/pins/ramps/pins_RAMPS.h
+++ b/Marlin/src/pins/ramps/pins_RAMPS.h
@ -753,6 +753,8 @@
   *   EXP2-1 ----------- EXP1-2
   *  EXP1-10 ----------- EXP1-1
   *
+   *  NOTE: The MISO pin should not get a 5V signal.
+   *        To fix, insert a 1N4148 diode in the MISO line.
   */

  #define BEEPER_PIN                          37