From 6b18387931076fb86a49cc5b7fc0b027fcd2fcba Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <wolfgang.hottgenroth@icloud.com>
Date: Mon, 13 Jan 2025 14:01:10 +0100
Subject: [PATCH] fixes

---
 content/content/articles/rgb-driver.md | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/content/content/articles/rgb-driver.md b/content/content/articles/rgb-driver.md
index de11701..cb5f3b8 100644
--- a/content/content/articles/rgb-driver.md
+++ b/content/content/articles/rgb-driver.md
@@ -1,4 +1,6 @@
-## Debugging
+## Generating signals for PL 9823 using a MSP430
+
+### Debugging
 
 ```
 mspdebug rf2500 gdb
@@ -10,7 +12,7 @@ Attention: the gdb in the TI toolchain package is broken, use the one from Debia
 
 
 
-## Signals Working Cycler
+### Signals Working Cycler
 
 These signals are related to code under tag `cycler_works_include_output_stage`.
 
@@ -26,7 +28,7 @@ Schematics and legend for signals:
 
 ![](./docs/schematics.jpeg)
 
-### Some more explanations
+#### Some more explanations
 
 Consider above schematics and the screen shot "Last octets" from the oscilloscope.
 
@@ -58,7 +60,7 @@ Additionally, when the first bit of a full draw screen cycle is presented at P1.
 
 
 
-## Timing
+### Timing
 
 Complete cycle: 2.48us
 
@@ -73,7 +75,7 @@ Long pulse: 1.18us
 ![](./docs/pulse_long.png)
 
 
-## Load Time
+### Load Time
 
 During of loading data into five LEDs: 297us
 
@@ -93,7 +95,7 @@ During of loading data into six LEDs: 297us
 | 200       |                    | 11.8ms     |
 
 
-## Reset Circuitry
+### Reset Circuitry
 
 It appears that the output voltage of the power supply raises that slow, that the MCU
 will not handle the reset correctly.
@@ -107,22 +109,23 @@ The circuit generates the following signals:
 
 ![](./docs/reset-signal.png)
 
-#### Reference voltage (green):
+##### Reference voltage (green):
 
 ```math
 U_ref = 3.3V \frac{22k\Omega}{22k\Omega + 10k\Omega} = 2.2V
 ```  
   
 
-#### Trigger voltage (purple):
+##### Trigger voltage (purple):
 
 ```math
 U_trigg = 3.3V \frac{330k\Omega}{330k\Omega + 82k\Omega} = 2.64V
 ```  
   
 
-#### RC constant:
+##### RC constant:
 
 ```math
 \tau = 82k\Omega \cdot 100nF = 8.2ms
 ```  
+