This SHARP distance sensor bounces IR off objects to determine how far away they are. It returns an analog voltage that can be used to determine how close the nearest object is. These sensors are good for short-range detection. • Infrared range finder 10cm (~4") to 80cm (~30") • Analog interface • Lead free, ROHS compliant • Replaces the discontinued GP2D12

40KHz Ultrasonic Transducer Transmitter and Receiver Pair. These transducers are very useful in making various sensors for detecting obstacles and measuring distances. Features Use for motion or distance sensing Frequency: 40kHz ±1.0kHz Aluminum case Capacitance: 2000pF ±20% Transmitter: bandwidth 5.0kHz/100dB, sound pressure level 112dB/40 ±1.0kHz Receiver: bandwidth 5.0kHz @ -75dB, min. sensitivity 67dB/40 ±1.0kHz (0dB vs. 1V µbar) R=3.9k. Lead length/spacing: 0.28" Case size: 0.30"H x 0.43" Dia.

Operating temperature -30 to 80 Operating Voltage 3.3V-4.2V Power Voltage 3.4V Standby average current 3ma the following Stand by GSM / GPRS Four bands, including 850,900,1800,1900MHZ GPRS Class 10 Sensitivity -105 Support voice calls Stand by SMS SMS Stand by GPRS Data services, the maximum data rate, downloads 85.6Kbps, Upload 42.8Kbps Supports standard GSM07.07,07.05 AT Command and Ai Thinker Extended Command Stand by 2 A serial port, a serial port to download, a AT Command port AT Command supports standard AT and TCP / IP Command interface It supports digital audio and analog audio support HR , FR , EFR , AMR Speech coding Stand by ROHS , FCC , CE , CTA Certification SMT 42PIN Packaging

Highlights: By adjusting the potentiometer can set the length of time. MicroUSB 5.0V power supply with an input port, easy to use. 5 ~ 30V wide supply voltage. External signaltrigger and keytriggerin two ways. With a relay indicator. Anti-interference ability, the relay at various interference will not misoperation, suitable for industrial control.