From f49983aa141fa2b67e33fc50aa979a6308060752 Mon Sep 17 00:00:00 2001
From: Bdale Garbee <bdale@gag.com>
Date: Sat, 13 May 2017 09:48:41 -0600
Subject: [PATCH] document example load cell amplifier gain resistor values in
 schematic

---
 telefiretwo.sch | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/telefiretwo.sch b/telefiretwo.sch
index bcf0aed..ebbdebc 100644
--- a/telefiretwo.sch
+++ b/telefiretwo.sch
@@ -1932,9 +1932,12 @@ N 71900 66500 71800 66500 4
 L 72800 69300 72500 69300 3 0 0 0 -1 -1
 L 72500 69300 72500 68900 3 0 0 0 -1 -1
 L 72500 68900 72800 68900 3 0 0 0 -1 -1
-T 73800 64700 9 10 1 0 0 0 2
+T 71800 64500 9 10 1 0 0 0 5
 R106 sets gain, see INA125
-data sheet to pick value
+data sheet to pick value.
+
+2mV/V load cell needs gain of 500, or 121 ohms
+3mV/V load cell needs gain of 333 or 182 ohms
 T 80900 68400 9 10 1 0 0 0 2
 adjust output to
 3.3V ADC input
-- 
2.30.2