From 5e8fd3263049af03102b50fcd5d3f68a6965c375 Mon Sep 17 00:00:00 2001 From: Scott Lahteine Date: Wed, 1 Feb 2023 03:12:22 -0600 Subject: [PATCH] pinouts --- .../src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h b/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h index bf856025b09e..9448d4f0c5b8 100644 --- a/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h +++ b/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h @@ -181,7 +181,17 @@ /** * LCD for Melzi v4 needs a custom cable with reversed GND/5V pins; plugging in a standard cable may damage the board or LCD! * 1. Swap the LCD's +5V (Pin2) and GND (Pin1) wires. (This is the critical part!) - * 2. Swap pin 4 on the Melzi LCD to pin 7 on the SKR Mini E3 EXP1 connector (pin 4 on the SKR is a reset and cannot be used) + * 2. Swap pin 4 on the Melzi LCD to pin 7 on the SKR Mini E3 EXP1 connector (pin 4 on the SKR is a RESET and cannot be used) + * + * LCD for Melzi V4 SKR Mini E3 V2.0 + * ------ ------ + * LCD RS | 1 2 | EN1 LCD RS | 1 2 | EN1 + * LCD EN | 3 4 | EN2 LCD EN | 3 4 | OPEN (RESET) + * LCD D4 | 5 6 | ENC LCD D4 | 5 6 | ENC + * E-Stop | 7 8 | BEEP EN2 | 7 8 | BEEP + * 5V | 9 10 | GND GND | 9 10 | 5V + * ------ ------ + * EXP1 EXP1 */ #define BEEPER_PIN EXP1_08_PIN