From 76ce3c5e70bf415fbf28597db994ca04416e7ed3 Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Wed, 10 Jan 2024 05:46:49 -0700
Subject: added "emisar-2ch-fet-joined" build, for D4S w/ lighted switch

(it's an odd case with a 2 channel driver which only uses 1 set of LEDs)
---
 hw/hank/emisar-2ch/fet/joined/README.md | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 hw/hank/emisar-2ch/fet/joined/README.md

(limited to 'hw/hank/emisar-2ch/fet/joined/README.md')

diff --git a/hw/hank/emisar-2ch/fet/joined/README.md b/hw/hank/emisar-2ch/fet/joined/README.md
new file mode 100644
index 0000000..a8b0456
--- /dev/null
+++ b/hw/hank/emisar-2ch/fet/joined/README.md
@@ -0,0 +1,25 @@
+# Emisar 2-channel driver connected to only 1 set of LEDs
+
+The default Emisar D4S driver doesn't support a lighted switch, so for lights
+built with one of those, Hank puts in a 2-channel driver instead... but he only
+connects 1 set of LEDs.
+
+This is an odd hardware configuration used only for special orders, I think.
+
+The driver itself has 3 power channels:
+
+  1. Linear regulator 1
+  2. Linear regulator 2
+  3. Direct-drive FET
+
+Channels 1 and 3 are connected to the main LEDs, while channel 2 is not
+physically wired up to anything.
+
+Two channel modes are included:
+
+  1. Linear only
+  2. Linear + DD FET
+
+Channel mode 2 is default, and the only mode enabled after a factory reset.
+Channel mode 1 is included in case anyone wants to turn off the DD FET.
+
-- 
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