• This pH Sensor is a scientific instrument used to indicate whether a solution is acidic or alkaline in nature.
• Accurate pH Measurement: The Robocraze Analog pH Sensor Kit provides precise pH measurement between 0 and 14pH, ideal for testing soil and water quality.
• Easy to Use: This kit includes a pH probe and sensor board for straightforward signal conditioning, making it suitable for beginners and experts alike.
• Wide Application: Use it for soil measurements in agriculture, water quality testing, and aquaculture applications.
• Stable Readings: The sensor offers quick response times (≤ 5 seconds) and stability (≤ 120 seconds) for reliable results.
• Versatile Compatibility: Interface it with Arduino, Raspberry Pi, and other MCUs for various projects.

• 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.