From 4470df592b8bee8b198418905f4437fdbf99597b Mon Sep 17 00:00:00 2001
From: Joseph Coffland <joseph@cauldrondevelopment.com>
Date: Tue, 5 Jan 2016 02:58:57 -0800
Subject: [PATCH] Added RS485 termination resistor

---
 electronics/microprocessor.sch | 87 +++++++++++++++++++---------------
 1 file changed, 50 insertions(+), 37 deletions(-)

diff --git a/electronics/microprocessor.sch b/electronics/microprocessor.sch
index 562ee78..11b5b41 100644
--- a/electronics/microprocessor.sch
+++ b/electronics/microprocessor.sch
@@ -687,70 +687,70 @@ device=none
 T 52400 43900 5 10 1 1 180 1 1
 value=spin_rs485_bz
 }
-C 53600 47700 1 0 0 motor_gnd.sym
-C 54500 48800 1 0 0 io-1.sym
+C 52600 47700 1 0 0 motor_gnd.sym
+C 54300 48800 1 0 0 io-1.sym
 {
-T 54700 49400 5 10 0 0 0 0 1
+T 54500 49400 5 10 0 0 0 0 1
 device=none
-T 55400 48900 5 10 1 1 0 1 1
+T 55200 48900 5 10 1 1 0 1 1
 value=spin_rs485_ay
 }
-C 54500 49100 1 0 0 io-1.sym
+C 54300 49100 1 0 0 io-1.sym
 {
-T 54700 49700 5 10 0 0 0 0 1
+T 54500 49700 5 10 0 0 0 0 1
 device=none
-T 55400 49200 5 10 1 1 0 1 1
+T 55200 49200 5 10 1 1 0 1 1
 value=spin_rs485_bz
 }
-C 53000 49600 1 180 0 output.sym
+C 52000 49600 1 180 0 output.sym
 {
-T 52900 49300 5 10 0 0 180 0 1
+T 51900 49300 5 10 0 0 180 0 1
 device=OUTPUT
-T 51700 49450 5 10 1 1 0 0 1
+T 50700 49450 5 10 1 1 0 0 1
 refdes=rs485_ro
 }
-C 52200 49100 1 0 0 input.sym
+C 51200 49100 1 0 0 input.sym
 {
-T 52200 49400 5 10 0 0 0 0 1
+T 51200 49400 5 10 0 0 0 0 1
 device=INPUT
-T 51700 49150 5 10 1 1 0 0 1
+T 50700 49150 5 10 1 1 0 0 1
 refdes=rs485_re
 }
-C 52200 48800 1 0 0 input.sym
+C 51200 48800 1 0 0 input.sym
 {
-T 52200 49100 5 10 0 0 0 0 1
+T 51200 49100 5 10 0 0 0 0 1
 device=INPUT
-T 51650 48850 5 10 1 1 0 0 1
+T 50650 48850 5 10 1 1 0 0 1
 refdes=rs485_de
 }
-C 52200 48500 1 0 0 input.sym
+C 51200 48500 1 0 0 input.sym
 {
-T 52200 48800 5 10 0 0 0 0 1
+T 51200 48800 5 10 0 0 0 0 1
 device=INPUT
-T 51700 48550 5 10 1 1 0 0 1
+T 50700 48550 5 10 1 1 0 0 1
 refdes=rs485_di
 }
-C 54100 50200 1 0 0 cap.sym
+C 53100 50200 1 0 0 cap.sym
 {
-T 54300 50900 5 10 0 0 0 0 1
+T 53300 50900 5 10 0 0 0 0 1
 device=CAPACITOR
-T 54300 50550 5 10 1 1 180 0 1
+T 53300 50550 5 10 1 1 180 0 1
 refdes=C9
-T 54300 51100 5 10 0 0 0 0 1
+T 53300 51100 5 10 0 0 0 0 1
 symversion=0.1
-T 54500 50400 5 10 1 1 0 0 1
+T 53500 50400 5 10 1 1 0 0 1
 value=0.1uF
-T 54100 50200 5 10 0 0 0 0 1
+T 53100 50200 5 10 0 0 0 0 1
 footprint=0603
-T 54100 50200 5 10 0 0 0 0 1
+T 53100 50200 5 10 0 0 0 0 1
 model=C0603C104M5RACTU
-T 54100 50200 5 10 0 0 0 0 1
+T 53100 50200 5 10 0 0 0 0 1
 description=Kemet C0603C104M5RACTU 0603 .1uF ceramic 50 volt cap
 }
-C 54600 49900 1 0 0 motor_gnd.sym
-N 54800 50300 54600 50300 4
-N 53800 50400 53800 50200 4
-N 54200 50300 53800 50300 4
+C 53600 49900 1 0 0 motor_gnd.sym
+N 53800 50300 53600 50300 4
+N 52800 50400 52800 50200 4
+N 53200 50300 52800 50300 4
 C 47500 40100 1 0 0 motor_gnd.sym
 C 45900 41100 1 0 0 motor_gnd.sym
 C 42800 40300 1 90 0 motor_gnd.sym
@@ -765,9 +765,9 @@ C 42400 42000 1 270 0 3.3V_motor.sym
 T 43100 41900 5 10 0 0 270 0 1
 device=none
 }
-C 53500 50400 1 0 0 3.3V_motor.sym
+C 52500 50400 1 0 0 3.3V_motor.sym
 {
-T 53600 51100 5 10 0 0 0 0 1
+T 52600 51100 5 10 0 0 0 0 1
 device=none
 }
 C 54700 44600 1 0 0 output-1.sym
@@ -838,12 +838,25 @@ device=INPUT
 T 42700 45350 5 10 1 1 0 0 1
 refdes=serial_rts
 }
-C 53000 48100 1 0 0 isl83485.sym
+C 52000 48100 1 0 0 isl83485.sym
 {
-T 54000 50000 5 10 1 1 0 0 1
+T 53000 50000 5 10 1 1 0 0 1
 refdes=U?
-T 52595 50595 5 10 0 0 0 0 1
+T 51595 50595 5 10 0 0 0 0 1
 footprint=SO-8
-T 53805 48796 5 10 1 1 90 0 1
+T 52805 48796 5 10 1 1 90 0 1
 device=ISL83485
 }
+C 54000 48600 1 90 0 resistor.sym
+{
+T 53600 48900 5 10 0 0 90 0 1
+device=RESISTOR
+T 53800 49125 5 10 1 1 180 0 1
+refdes=R1
+T 54400 49125 5 10 1 1 180 0 1
+value=120Ω
+}
+N 53500 49200 54300 49200 4
+N 53500 48800 54300 48800 4
+N 54300 48800 54300 48900 4
+N 53500 48800 53500 48900 4
-- 
2.27.0