Product descriptionSpecifications:Dimension: 1.26*0.94inDC voltage: 4.5-20VQuiescent Current: <50uALevel output: High 3.3 V / Low 0VTrigger mode: L unrepeatable trigger / H repeat trigger (default trigger repeat)Delay time: 0.5-200S (adjustable) range can be made zero seconds - several minutesBlo..
Product descriptionProduct Overview:HC-SR505 small body sensing module is based on infrared technology, automatic control products, high sensitivity, high reliability, ultra-small, ultra-low-voltage operation mode. Widely used in various auto-sensing of electrical equipment, especially battery-power..
introductionPulse sensor is used to test the heart rate sensor, students, artists, athletes, creator, game developer, or mobile terminal can develop interactive work related to heart rate.Sensing device can be put on the finger or earlobe, through interconnected line can be connected to the Ar..
Description:Input voltage: 3.3V/5V only needs a set of power supply. Built in level conversion function. If you use MCU 5.0V and Bluetooth module communication, 5.0V power supply port, TX RX logic level 5V If you use MCU 3.3V and Bluetooth module communication, 3.3V ..
DescriptionThis module uses 24 high precision A/D converter chip hx711. It is a specially designed for the high precision electronic scale design, with two analog input channel, the internal integration of 128 times the programmable gain amplifier. Theinput circuit can be configured to provide a bri..