ESP32 Touch LED Light Controller

A Simple ESP32 touch LED Light controller using TTP223 touch sensor.

• Stable touch detection
• Long touch actions
• ntfy push notifications
• WiFi auto reconnect
• HTTPS support
• Low CPU usage

Features

• Stable LED ON/OFF
• False touch prevention
• Long press support
• WiFi auto reconnect
• HTTPS optimized requests
• ntfy notifications
• Sequential LED blinking
• Lower ESP32 heat
• Better memory cleanup
• Production stable logic
• Debounce protection
• Low CPU usage

Hardware Required

Component	Quantity
ESP32 Board	1
TTP223 Touch Sensor	1
LED	1
Resistor (220Ω)	1
Jumper Wires	Some

Wiring

TTP223 Touch Sensor

TTP223	ESP32
SIG	GPIO4
VCC	3V3
GND	GND

LED

LED	ESP32
Positive	GPIO5
Negative	GND

Touch Actions

Action	Result
Single Touch	Toggle LED
Long Touch	Blink LED 5 Times

LED Status

Status	LED Action
Boot	3 Blinks
WiFi Connecting	Slow Blink
LED Toggle	ON/OFF
Long Touch	5 Blinks
ntfy Notification	Tiny Blink

Open in Arduino IDE

• Configure WiFi

const char* WIFI_SSID     = "YOUR_WIFI";
const char* WIFI_PASSWORD = "YOUR_PASSWORD";

• Configure ntfy

const char* NTFY_URL =
"https://ntfy.sh/your-topic";

License

MIT