Power supply voltage(VCC): 2.0, 3, 5.5 V. Output high VOH: 0.8VCC V Output low VOL: 0.3VCC V Response time (touch mode) : 60 mS Response time (low power mode) : 220 mS Can replace the traditional touch of a button Four M2 screws positioning holes for easy installation RoboticsBD

Onboard 8 key TTP226 capacitive touch induction IC. RoboticsBD Onboard 8-way level indicator. Working voltage: 2.4 to 5.5 V. Modules, you can set the output mode, key output mode, the longest time and fast/low power output

Arduino TTP229 16 Channel Digital Capacitive Switch Touch Sensor Module GM

Contact Rating: 10 W. Switching Voltage: 220 V. Switching Current: 0.5 A. Breakdown Voltage: 220 VDC. Carry Current: 1 A. Contact Resistance: 100 mΩ.

Operating voltage: 3.3 to 5VDC Ball Rolling type of tilt sensor. This small module is easy to use. A fixed bolt hole for easy installation Wide voltage LM393 comparator

This module is compatible with various microcontroller control boards, such as arduino series microcontrollers. The module contains 2 kinds of interfaces. The module comes with a 20cm wire, which is long enough for your use. It has a short response time and quick response.

Main chip: LM393 Working voltage: for DC 5V Single-channel signal output Low-level output signal used for human body touch sensor alarm Adjustable sensitivity Pin Connector to board: 4 Pins

MAX30102 Heart Rate and Pulse Oximeter Sensor Module for wearable and medical devices Features red (660nm) and infrared (880nm) LEDs with ambient light suppression Provides accurate light reflection signal (PPG) for heart rate and blood oxygen measurement Standard I2C interface for seamless integration with microcontrollers Compact design with low standby...

Compact fingertip heart rate sensor with built-in amplification and noise filter Operates with both 3.3V and 5V systems for wide compatibility Simple breadboard-friendly interface with pre-soldered leads and pin Detects heartbeat signals reliably for biomedical and wearable projects Ideal for Arduino, Raspberry Pi, and microcontroller applications...

Plug-and-play heart rate sensor kit for Arduino and other microcontrollers Includes sensor, ear clip, Velcro strap, protective dots, and DuPont cable Compatible with Arduino, Raspberry Pi, micro:bit, Particle, and more Open-source with free Arduino and Processing code for real-time pulse graphs Compact, lightweight, and ideal for health, fitness, and...

Standalone 5-pad capacitive touch sensor breakout using AT42QT1070 Works without a microcontroller – plug-and-play with 1.8–5.5V DC power Detects touch via conductive pads, each with corresponding LED feedback Simple ground-based output for easy integration with button-based projects Supports up to 5 independent touch inputs (one active at a time)...