This 3-Pin LM393 Photosensitive Sensor Module features a built-in comparator for accurate light detection. Operating at 3.3V–5V, it provides both analog and digital output. Perfect for Arduino projects, IoT systems, smart lighting, and light-sensitive automation circuits.
The LM393 1-Channel Digital Humidity Sensor Relay Module is a compact control board that uses an onboard humidity detection probe and LM393 comparator to automatically trigger a relay output based on moisture/humidity levels. Ideal for automation, smart agriculture, and Arduino projects.
The LM393 Photosensitive Sensor Module is a light-detection module using a high-sensitivity photoresistor and LM393 comparator to provide both analog and digital outputs. Ideal for Arduino light-based automation, smart lighting, and IoT applications.