Using Capacitor, you can make your very own custom Android/iOS app for your Arduino/ESP32 projects.

Instruction writeup can be found here: https://aboycandream.com/esp32capaci...

The Arduino Code we're starting off with came from Mo_Thunderz github here: https://github.com/mothunderz/BleMob...
The original video where he made that code to work with MIT App Inventor can be found here:    • Create a BLE app for your mobile phon...  

My final Capacitor Javascript code and final Arduino code can be found on my github: https://github.com/aBoyCanDream/ESP32...

Learn more:
Links to Mo_Thunderz Youtube Channel: https://www.youtube.com/@mothunderz/v...
An excellent writeup for the ESP32 BLE Library by Neil Kolban: https://github.com/nkolban/esp32snip...
A great javascript tutorial:    • JavaScript Programming AllinOne Tut...  

0:00 Intro
3:35 Install & Setup
10:55 First Example: Scan
21:22 Installing on iOS
25:58 Installing on Android
30:58 Second Example: Connect
35:34 Overview of Arduino BLE Code
43:13 3rd Example: Reading from ESP32
52:12 Little Endian Vs. Big Endian
53:25 4th Example: Sending Data to ESP32
58:38 5th Example: Toggle LED On/Off
1:00:03 6th Example: Sending Multiple Data
1:08:01 Renaming your App and Creating Custom Icon
1:16:18 Final Test
1:19:13 Troubleshooting

Endianess graphic courtesy of: Aeroid, CC BYSA 4.0 https://creativecommons.org/licenses/..., via Wikimedia Commons