On tilting the module mercury inside small tube connect the switching point and make switch ON while tilting it to other side move the mercury and it disconnects the circuit and switches get OFF. The module operates on 5V DC supply.
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- Infrared Obstacle Avoidance IR Sensor Module (Active Low) contains a pair of infrared transmitting and receiving tubes. When the transmitted light waves are reflected back, the reflected IR waves will be received by the receiver tube. The onboard comparator circuitry does the processing and the green indicator LED comes to life.
- Mounting hole | Adjustable Range Detection | LED Indicators | Built-in Ambient Light Sensor | Infrared transmitting and receiving tubes | Onboard comparator circuitry | Easy to assemble | Easy to use
- LxWxH : 48 x 14 x 8 mm
- The IR sensor module can be widely used for robot obstacle avoidance, obstacle avoidance car assembly line count, black-and-white line tracking and many other occasions. This sensor module can be used for obstacle detection in autonomous robots and cars, in positional feedback for control system, industrial safety system, wheel encoder etc.
- Main Chip : LM393 Operating Voltage (VDC) : 3.6 ~ 5 Average Current Consumption (mA) : 0.06 Detection Angle : 35 ° Distance Measuring Range : 2 – 30 cm
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RC522 RFID 13.56MHZ Reader Writer Module
RC522 – RFID Reader /Writer with Cards Kit includes a 13.56MHz RF reader and writer module that uses an RC522 IC and two S50 RFID cards tag. The MF RC522 is an integrated transmission module for contactless communication at 13.56 MHz. RC522 supports ISO 14443A/MIFARE mode. RC522 – RFID Reader features an outstanding modulation and demodulation algorithm to serve effortless RF communication at 13.56 MHz. The S50 RFID Cards will ease up the process helping you to learn and add the 13.56 MHz RF transition to your project.
The module uses SPI to communicate with microcontrollers. The open-hardware community already has a lot of projects exploiting the RC522 – RFID Communication, using Arduino.
Features:-
- The low-voltage, low-cost, small size of the non-contact card chip to read and write.
- 13.56MHz contactless communication card chip.
- MFRC522 supports the MIFARE series of high-speed non-contact communication, two-way data transmission rate up to 424kbit/s.
- ISO14443A frames and error detection.
- Suitable for Smart meters and portable handheld devices.
- Advanced modulation and demodulation concept completely integrated with all types of 13.56MHz passive contactless communication methods and protocols.
- 14443A compatible transponder signals.
- Supports rapid CRYPTO1 encryption algorithm, terminology validation MIFARE products.
- The reader and RF card terminal design meet advanced application development and production needs.
- Can be directly loaded into the various reader molds, very convenient.
Specifications:-
- Operating Frequency: 13.56MHz
- Reader Distance: ≥ 50mm / 1.95″ (mifare 1)
- Operating Current :13-26mA / DC 3.3V
- Idle Current :10-13mA / DC 3.3V
- Peak Current: < 30mA
- Sleep Current: < 80uA
- Data transfer rate: Maximum 10Mbit/s
- Supported card types: mifare1 S50, mifare1 S70 MIFARE Ultralight, mifare Pro, MIFARE DESFire
- Environmental Storage Temperature: -40 – 85 degrees Celsius
- Environmental Operating Temperature: -20 – 80 degrees Celsius
- Relative humidity: 5% – 95%
- Module interface: SPI
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