From: Bdale Garbee <bdale@gag.com>
Date: Tue, 16 Sep 2025 18:29:44 +0000 (-0600)
Subject: note about needing an ADC to read battery voltage, update metadata for proto
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=e14cdacc589aae6ba9808c30e741d5a143cb9d34;p=hw%2Fteleterra

note about needing an ADC to read battery voltage, update metadata for proto
---

diff --git a/Notebook b/Notebook
index cf4651a..8f7cb54 100644
--- a/Notebook
+++ b/Notebook
@@ -29,3 +29,7 @@
   thickness.  A piece of the 3mm tape would probably work as well or better
   than standoffs and screws, for a lot less money.
 
+2025.09.16
+- just realized we have no way to read the battery voltage.  is it worth
+  adding a cheap I2C ADC that already has a Linux driver to do so?  The 
+  TI ADC081C family looks like a reasonable choice with existing IIO driver.
diff --git a/teleterra.sch b/teleterra.sch
index 674c991..57480c7 100644
--- a/teleterra.sch
+++ b/teleterra.sch
@@ -238,7 +238,7 @@ device=CONNECTOR
 T 49800 47800 5 10 0 0 0 0 1
 footprint=pizero-tt
 T 49800 47800 5 10 0 1 0 0 1
-value=female
+value=male
 T 50400 56500 5 10 1 1 0 0 1
 refdes=J2
 }
@@ -1591,6 +1591,10 @@ T 65500 63300 5 10 0 0 0 0 1
 footprint=100mil2pin
 T 65500 63300 5 10 0 0 0 0 1
 loadstatus=noload
+T 65500 63300 5 10 0 1 0 0 1
+device=CONNECTOR
+T 65500 63300 5 10 0 1 0 0 1
+value=Header-2
 }
 N 65900 63800 65500 63800 4
 C 65400 63100 1 0 0 gnd.sym