• Detects light intensity
• Adjustable sensitivity
• Digital output: 0V to 5V
• LED indicators for power and output
• Stable with LM393 chip
• Easy to install

mmWave-C4001 24Ghz Human Presence Detection Sensor

The DFRobot C4001 24GHz Millimeter-Wave FMCW Radar is the perfect solution for human presence detection. It features long-range measurement, high accuracy, advanced FMCW technology, durable build, easy integration, and strong anti-interference capabilities. Made with robust materials, this radar sensor ensures reliable performance in harsh conditions. Its state-of-the-art FMCW modulation provides superior accuracy, making it ideal for motion detection and proximity sensing. The compact design and versatile installation options simplify setup and enhance project capabilities. The C4001 radar sensor measures up to 25 meters and is suitable for real-time human presence detection. Available in various sizes.

• Automatic induction: to enter the sensing range
• Ultra-small size.
• Repeatable trigger
• Wide operating voltage range
• Micropower: quiescent current <50
• Output high signal: easy docking and all kinds of circuits.

• Infrared Sensor: TSOP 1738 is the perfect solution for receiving IR signals from remote controls, making it ideal for home entertainment systems, robotics, and more.
• Precise Reception: With a center frequency of 38 kHz, TSOP 1738 offers precise reception of IR signals, ensuring your devices respond accurately.
• Low Power Consumption: TSOP 1738 features low power consumption, making it energy-efficient and suitable for battery-powered applications.
• Wide Detection Angle: The sensor has a 90-degree detection angle, providing excellent coverage for your IR remote control needs.
• Easy to Use: TSOP 1738 is easy to integrate into your projects, and its compatibility with TTL and CMOS ensures smooth operation.
• Reliable Performance: This sensor offers improved shielding against electrical field disturbance, guaranteeing reliable performance.

• This is the IR Transmitter and Receiver pair matched pair used in our IR proximity, White Line or Micro-mouse sensor.
• It consists of 5 mm 940 nano-meter wave length high power IR LED.
• Photo-diode having peak sensitivity at 940 nano-meter wavelength.

• Separate jumper adjustments are provided for changing the response time of the pressed key: 60mS fast mode or 160mS in Low power.
• TTP224 4-way switch digital touch capacitive touch sensor module
• 4 keyboard TTP224 capacitive touch sensor IC
• Onboard 4-level status indicator
• TTP 224 4 Channel Digital Touch Sensor is compatible with all Arduino’s board.
• The board finds applications in HMI(Human-machine Interface), mechanical Button key replacement.

• This 16 switch digital touch sensor module is based on a touch sensing IV TTP229.
• This device has a built-in regulator for the touch sensor. We can add interfaces through the non-conductive dielectric material.
• Two modes: Simple 8 key mode with independent 8 Channel parallel output. and Advanced 16 Key modes with I2C interface output.
• The card has outputs of each key and communication with 2 wires, so it is not necessary to use more than 2 wires to communicate with the microcontroller or arduino

• 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