Uploaded December 2023 | Updated September 2026, 1 week ago
In this video we learn how to our mobile phone to change the color of RGB LED using ESP32 BLE feature. We learn about RGB LED, RGB color and then we install the mobile app, wiring and code is explained and demonstrated.
This video is part of series of Tutorials for SunFounder ESP32 IoT Learning Kit which can be viewed here : bit.ly/sf-esp32-video
📚⬇️ Download and resource page robojax.com/RJT701
Related videos:
How to use a breadboard: youtu.be/jTJ-JL2gEuQ
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Use Chapters from timeline or click on the time
00:00 Start
1:59 What's RGB LED?
6:01 RGB Color explained
10:01 Documentation page
11:19 Wiring explained
13:34 Selecting ESP32 board and COM port in Arduino IDE
15:15 Arduino Code
18:02 Demonstration of controlling RGB LED using your phone
#robojax #SunFounder #ESP32
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In this video we learn how to our mobile phone to change the color of RGB LED using ESP32 BLE feature. We learn about RGB LED, RGB color and then we install the mobile app, wiring and code is explained and demonstrated.
This video is part of series of Tutorials for SunFounder ESP32 IoT Learning Kit which can be viewed here : bit.ly/sf-esp32-video
📚⬇️ Download and resource page robojax.com/RJT701
Related videos:
How to use a breadboard: youtu.be/jTJ-JL2gEuQ
**** Purchase ESP32 from Affiliated Stores ***
Amazon USA: amzn.to/3N79EPL
Amazon Canada: amzn.to/3Rm6VEs
Amazon UK: amzn.to/46ArnWL
Amazon Deutschland amzn.to/4aCcGFW
Amazon Japan: amazon.co.jp//dp/B0CLDJ2DL7
eBay:
AliExpress: https://s.click.aliexpress.com/e/_DFlLFnh
Use Chapters from timeline or click on the time
00:00 Start
1:59 What's RGB LED?
6:01 RGB Color explained
10:01 Documentation page
11:19 Wiring explained
13:34 Selecting ESP32 board and COM port in Arduino IDE
15:15 Arduino Code
18:02 Demonstration of controlling RGB LED using your phone
#robojax #SunFounder #ESP32
----------- Robojax.com -----------
Website: robojax.com
All tutorials: robojax.com/tutorial_categories.php?lang=en
Downloads files: robojax.com/files.php?lang=en
If you found this tutorial helpful, please support me so I can continue creating contents like this. (PayPal):
🔥paypal.me/robojaxTV
Follow me on Facebook fb.me/robojaxTV
Follow me on TikTok tiktok.com/@robojaxtv
Follow me on Twitter: twitter.com/robojaxTV
Follow me on Instagram: instagram.com/robojax
**** AFFILIATE PROGRAM ****
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.








![Using two Heltec CubeCell LoRa ESP32 Boards HTCC-AB01 as remote switch as TX and RX
We learn how to use One CubeCell as Sender (TX) and the other as Receiver (RX). We use push button with TX to turn ON/OFF a relay with AC bulb or LED connected to the RX. Step by step code, wiring and demonstration is shown.
📚⬇️ Download and resource page https://robojax.com/RJT749
Related Vides:
Introduction to Heltec Lora HTCC-AB01: https://youtu.be/-dUKnIXPMeA
How to use ES32 WiFi Bluetooth board https://youtu.be/ Fj8QDlGuQ
Introduction to 5V relay: https://youtu.be/N-xbxtGGoHw
Arduino Step by Step course that starts here https://youtu.be/-6qSrDUA5a8
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Download Arduino code for this video: [COMING soon]
Use Chapters from timeline or click on the time
00:00 Introduction
01:21 Introduction
04:10 Wiring Explained
07:39 Preparing LED with resistor for Arduino
08:29 Sender or TX Code Explained
10:41 Receiver or RX code Explained
14:37 Opening two Serial monitor with different com ports
16:50 Demonstration of Press and hold relay remote switch
17:51 Demonstration of toggle remote relay switch
19:25 Demonstration of LED control remotely
#Heltec #robojaxLoRA
Robojax.com
Website: https://robojax.com
All tutorials: https://robojax.com/tutorial_categories.php?lang=en
Downloads files: https://robojax.com/files.php?lang=en
If you found this tutorial helpful, please support me so I can continue creating contents like this. (PayPal):
🔥https://paypal.me/robojaxTV
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Follow me on TikTok https://www.tiktok.com/@robojaxtv
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**** AFFILIATE PROGRAM ****
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Using two Heltec CubeCell LoRa ESP32 Boards HTCC-AB01 as remote switch as TX and RX](https://i.ytimg.com/vi/rSPN-8ZK0AM/mqdefault.jpg)

