From 221b53cea53c896bf7bf754eef9e63d26c42d13b Mon Sep 17 00:00:00 2001
From: ben-jaynes <1btjaynes@gmail.com>
Date: Fri, 26 Jun 2026 18:33:26 -0700
Subject: [PATCH] vault backup: 2026-06-26 18:33:26

---
 PCB Design/Music Player/Process.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/PCB Design/Music Player/Process.md b/PCB Design/Music Player/Process.md
index 0c41ace..e88a528 100644
--- a/PCB Design/Music Player/Process.md	
+++ b/PCB Design/Music Player/Process.md	
@@ -47,3 +47,5 @@ To limit the current of the backlight for the display series resistors are neede
 $$R = \frac{{V_{in} - V_{f}}}{I_{f}}$$
 is used which gives the current limiting resistor needed for a LED. The display used has a LED voltage of 3.0V and will be supplied with 3.3V. It also typically draws 160 mA of current. Plugging in these values gives
 $$R = \frac{{3.3 - 3.0}}{0.16} = 1.875 \Omega$$
+For a standard value a $2.0  \Omega$ resistor will be used. This may make the display a little bit less bright but won't change it very much.Vs - Vf) / If using the maximum forward voltage:
+### Backlight Control