Trigger Voltage: 5 VDC
Trigger Current: 20 mA
Max Switching Voltage: 250VAC@10A; 30VDC@10A
Configuration: SPDT
Indicator Lamp: Power Supply
Controller Compatibility: Microcontrollers
Default State: High-Level Trigger
Standard Logic: TTL
Installation: Easy, Screw Holes
Safety: International Standards

Compact design for ease of use
IR LED for pulse detection
Phototransistor enhances sensitivity
Arduino-compatible for DIY projects
Durable and reliable
Package includes KY-039 module

Microcontroller: ATmega168 or ATmega328V
Operating Voltage: 2.7-5.5 V
Digital I/O Pins: 14
PWM Channels: 6
Analog Input Channels: 6
DC Current per I/O Pin: 40 mA
Power Supply: Operates from 2V to 5V
Automatic Reset: Supports automatic reset for easier programming
Flat Design: Completely flat back for easy integration

Versatile Tilt sensor module
Integrated Mercury switch and LED
PWM for brightness control
Compatible with Arduino and NodeMCU
Operates at 3.3 to 5V

Onboard TTP226 IC
8-touch key points
Adjustable key output mode
Compact dimensions
Low power consumption
Lightweight design
Includes datasheet
Download Datasheet

Microcontroller ATmega328 (SMD) with enhanced capabilities.
Interface CH340G for efficient USB to Serial communication.
Operating Voltage 5V reliable power requirement.
Input Voltage Recommended 7-12V or limit 5-20V options.
Digital I/O Pins 14, including 6 PWM capable outputs.
Analog Input Pins Count of 6 for diverse sensor input.
Enhanced Package Options Includes Male and Female Jumpers.
Compatibility Works well with Arduino IDE.
Download: Datasheet for additional resources.

Microcontroller: ESP8266EX
Operating Voltage: 3.3V
Digital I/O Pins: 11
Flash Memory: 4MB
Compatible: Arduino, NodeMCU
Power Supply: 9V-12V Input
On-board Switching: 5V Output
Download Datasheet: Download