From 3782be78372275a342f5d9575bb1588a72ed131f Mon Sep 17 00:00:00 2001
From: UberGuidoZ <57457139+UberGuidoZ@users.noreply.github.com>
Date: Sun, 22 Mar 2026 22:04:12 -0700
Subject: [PATCH] Update README.md
---
.../UberGuidoZ/gpio_logic_analyzer/README.md | 40 ++++++++++---------
1 file changed, 22 insertions(+), 18 deletions(-)
diff --git a/Applications/UberGuidoZ/gpio_logic_analyzer/README.md b/Applications/UberGuidoZ/gpio_logic_analyzer/README.md
index f5b7062ae..cf699e98c 100644
--- a/Applications/UberGuidoZ/gpio_logic_analyzer/README.md
+++ b/Applications/UberGuidoZ/gpio_logic_analyzer/README.md
@@ -2,7 +2,7 @@
By: UberGuidoZ | https://github.com/UberGuidoZ/Flipper
-Code: Applications/My_Creations/gpio_logic_analyzer
+Code: [Applications/UberGuidoZ/gpio_logic_analyzer/Source](https://github.com/UberGuidoZ/Flipper/tree/main/Applications/UberGuidoZ/gpio_logic_analyzer/Source)
A logic analyzer that monitors all 8 exposed GPIO pins on the Flipper Zero
18-pin header, draws live scrolling waveforms on the 128x64 OLED, and logs
@@ -12,7 +12,7 @@ every sample to a timestamped CSV file on the SD card, with instructions.
## Quick start
-1. Build and side-load (see Building section below) or grab from App Store.
+1. Grab FAP from [Release folder](https://github.com/UberGuidoZ/Flipper/tree/main/Applications/UberGuidoZ/gpio_logic_analyzer/Release), build and side-load (see Building section below), or download from App Store.
2. On the Flipper, navigate to **Apps > GPIO > GPIO Logic Analyzer**.
3. Select **Instructions** to review the voltage limits and control map.
4. Select **Start Analyzer** to begin capture.
@@ -20,6 +20,12 @@ every sample to a timestamped CSV file on the SD card, with instructions.
---
+## Screenshots
+
+Screenshots of the various screens [can be found here](https://github.com/UberGuidoZ/Flipper/tree/main/Applications/UberGuidoZ/gpio_logic_analyzer/Screenshots).
+
+---
+
## Main Menu
| Item | Action |
@@ -35,14 +41,14 @@ every sample to a timestamped CSV file on the SD card, with instructions.
```
GPIO Analyzer RUN 100Hz*
---------------------------------
-A7 [~~~~|____|~~~~] H
-A6 [____|~~~~|____] L
-A4 [________________] L
-B3 [~~~~~~~~~~~~~~~~] H
-B2 [________________] L
-C3 [~~|___|~~~|____] H
-C1 [__|~~~|______] L
-C0 [~~~|___|~~] H
+A7 [~~~~|__________|~~~~] H
+A6 [_______|~~~~|_______] L
+A4 [____________________] L
+B3 [~~~~~~~~~~~~~~~~~~~~] H
+B2 [____________________] L
+C3 [~~~~|_____|~~~~|____] L
+C1 [_____|~~~~~~~|______] L
+C0 [~~~~~~|______|~~~~~~] H
```
- Each row is one GPIO pin.
@@ -79,14 +85,14 @@ C0 [~~~|___|~~] H
| 7 | C1 | PC1 | Pin 15 | 3.3V max |
| 8 | C0 | PC0 | Pin 16 | 3.3V max |
-All pins are configured as digital inputs with no internal pull resistor.
+All pins are configured as digital inputs with no internal pull resistor.
They are returned to high-impedance analog mode when you exit the analyzer.
-**Voltage warning**: Do not connect signals above 3.3V to any pin except PA4.
-No pull-up or pull-down resistors are enabled. Add external resistors to
+**Voltage warning**: Do not connect signals above 3.3V to any pin except PA4.
+No pull-up or pull-down resistors are enabled. Add external resistors to
your circuit if the signals you are probing have undefined idle states.
-FAILURE TO FOLLOW THIS WARNING COULD CAUSE FLIPPER TO LEAK MAGIC SMOKE!
+***FAILURE TO FOLLOW THIS WARNING COULD CAUSE FLIPPER TO LEAK MAGIC SMOKE!***
---
@@ -155,9 +161,7 @@ To build inside the full firmware tree instead:
./fbt fap_gpio_logic_analyzer
```
-To add a custom icon, drop a 10x10 pixel PNG named `gpio_analyzer_icon.png`
-into this directory and add `fap_icon="gpio_analyzer_icon.png"` to
-`application.fam`.
+To change the custom icon, drop a 10x10 pixel PNG named `gpio_analyzer_icon.png` overwriting the existing.
---
@@ -173,4 +177,4 @@ gpio_logic_analyzer/
scene_instructions.c -- 4-page on-screen reference (LEFT/RIGHT to page)
scene_about.c -- about screen
README.md -- this file
-```
\ No newline at end of file
+```