YDLIDAR TG15 is a 360-degree two-dimensional rangefinder. Based on the principle of TOF, it is equipped with related optics, electricity, and algorithm design to achieve high-frequency and high-precision distance measurement. The mechanical structure rotates 360 degrees to continuously output the angle information as well as the point cloud data of the scanning environment while ranging. Features 360 degree omnidirectional scanning ranging distance measurement Small distance error, stable performance and high accuracy IP65 protection level Strong resistance to ambient light interference Industrial grade brush-less motor drive for stable performance Laser power meets Class I laser safety standards 5-12 Hz adaptive scanning frequency (support customization) Photomagnetic fusion technology to achieve wireless communication, wireless power supply Ranging frequency up to 20 kHz (support customization) Applications Robot navigation and obstacle avoidance Industrial automation Robot ROS teaching and research Regional security Smart transportation Environmental scanning and 3D reconstruction Commercial robot /Robot vacuum cleaner Downloads Datasheet User Manual Development Manual SDK Tool ROS

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Features NFC chip material: PET + Etching antenna Chip: NTAG216 (compatible with all NFC phones) Frequency: 13.56 MHz (High Frequency) Reading time: 1 - 2 ms Storage capacity: 888 bytes Read and write times: > 100,000 times Reading distance: 0 - 5 mm Data retention: > 10 years NFC chip size: Diameter 30 mm Non-contact, no friction, the failure rate is small, low maintenance costs Read rate, verification speed, which can effectively save time and improve efficiency Waterproof, dustproof, anti-vibration No power comes with an antenna, embedded encryption control logic, and communication logic circuit Included 1x NFC Stickers (6-color kit)

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LWL01 is powered by a CR2032 coin battery, in a good LoRaWAN Network Coverage case, it can transmit as many as 12,000 uplink packets (based on SF 7, 14 dB). In poor LoRaWAN network coverage, it can transmit ~ 1,300 uplink packets (based on SF 10, 18.5 B). The design goal for one battery is up to 2 years. User can easily change the CR2032 battery for reuse. The LWL01 will send periodically data every day as well as for water leak event. It also counts the water leak event times and also calculates last water leak duration. Each LWL01 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to local LoRaWAN server and it will auto connect after power on. Features LoRaWAN v1.0.3 Class A SX1262 LoRa Core Water Leak detect CR2032 battery powered AT Commands to change parameters Uplink on periodically and water leak event Downlink to change configure Applications Wireless Alarm and Security Systems Home and Building Automation Industrial Monitoring and Control

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The Pico-10DOF-IMU is an IMU sensor expansion module specialized for Raspberry Pi Pico. It incorporates sensors including gyroscope, accelerometer, magnetometer, baroceptor, and uses I²C bus for communication. Combined with the Raspberry Pi Pico, it can be used to collect environment sensing data like temperature and barometric pressure, or to easily DIY a robot that detects motion gesture and orientation. Features Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series Onboard ICM20948 (3-axis gyroscope, 3-axis accelerometer, and 3-axis magnetometer) for detecting motion gesture, orientation, and magnetic field Onboard LPS22HB barometric pressure sensor, for sensing the atmospheric pressure of the environment Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples) Specifications Operating voltage 5 V Accelerometer Resolution: 16-bitMeasuring range (configurable): ±2, ±4, ±8, ±16gOperating current: 68.9uA Gyroscope Resolution: 16-bitMeasuring range (configurable): ±250, ±500, ±1000, ±2000°/secOperating current: 1.23mA Magnetometer Resolution: 16-bitMeasuring range: ±4900µTOperating current: 90uA Baroceptor Measuring range: 260 ~ 1260hPaMeasuring accuracy (ordinary temperature): ±0.025hPaMeasuring speed: 1Hz - 75Hz

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The SparkFun GPS-RTK2 raises the bar for high-precision GPS and is the latest in a line of powerful RTK boards featuring the ZED-F9P module from u-blox. The ZED-F9P is a top-of-the-line module for high accuracy GNSS and GPS location solutions, including RTK capable of 10 mm, three-dimensional accuracy. With this board, you will be able to know where your (or any object's) X, Y, and Z location is within roughly the width of your fingernail! The ZED-F9P is unique in that it is capable of both rover and base station operations. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system. However, we still have broken out 0.1"-spaced pins if you prefer to use a breadboard. We've even included a rechargeable backup battery to keep the latest module configuration and satellite data available for up to two weeks. This battery helps 'warm-start' the module decreasing the time-to-first-fix dramatically. This module features a survey-in mode allowing the module to become a base station and produce RTCM 3.x correction data. The number of configuration options of the ZED-F9P is incredible! Geofencing, variable I²C address, variable update rates, even the high precision RTK solution can be increased to 20 Hz. The GPS-RTK2 even has five communications ports which are all active simultaneously: USB-C (which enumerates as a COM port), UART1 (with 3.3 V TTL), UART2 for RTCM reception (with 3.3V TTL), I²C (via the two Qwiic connectors or broken out pins), and SPI. Sparkfun has also written an extensive Arduino library for u-blox modules to easily read and control the GPS-RTK2 over the Qwiic Connect System. Leave NMEA behind! Start using a much lighter weight binary interface and give your microcontroller (and its one serial port) a break. The SparkFun Arduino library shows how to read latitude, longitude, even heading and speed over I²C without the need for constant serial polling. Features Concurrent reception of GPS, GLONASS, Galileo and BeiDou Receives both L1C/A and L2C bands Voltage: 5 V or 3.3 V, but all logic is 3.3 V Current: 68 mA - 130 mA (varies with constellations and tracking state) Time to First Fix: 25 s (cold), 2 s (hot) Max Navigation Rate: PVT (basic location over UBX binary protocol) - 25 Hz RTK - 20 Hz Raw - 25 Hz Horizontal Position Accuracy: 2.5 m without RTK 0.010 m with RTK Max Altitude: 50k m Max Velocity: 500 m/s 2x Qwiic Connectors Dimensions: 43.5 x 43.2 mm Weight: 6.8 g

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The Grove DHT11 Temperature & Humidity Sensor is a high-quality, low-cost digital temperature, and humidity sensor based on the DHT11 module. It is the most common temperature and humidity module for Arduino and Raspberry Pi. It is widely favored by hardware enthusiasts for its many advantages such as low power consumption and excellent long-term stability. Relatively high measurement accuracy can be obtained at a very low cost. The single-bus digital signal is output through the built-in ADC, which saves the I/O resources of the control board. Features Dimensions: 40 x 20 x 8 mm Weight: 10 g Battery: Exclude Input Voltage: 3.3 V & 5 V Measuring Current: 1.3 mA- 2.1 mA Measuring Humidity Range: 5% - 95% RH Measuring Temperature Range: -20 ℃ - 60 ℃

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This air monitor is specifically used for monitoring greenhouses. It detects: Air temperature & Humidity CO2 concentration Light intensity Then transmit the data via LoRa P2P to the LoRa receiver (on your desk in the room) so that the user can monitor the field status or have it recorded for long-term analysis. This module monitors the greenhouse field status and sends all sensor data regularly via LoRa P2P in Jason format. This LoRa signal can be received by the Makerfabs LoRa receiver and thus displayed/recorded/analyzed on the PC. The monitoring name/data cycle can be set with a phone, so it can be easily implemented into the file. This air monitor is powered by an internal LiPo battery charged by a solar panel and can be used for at least 1 year with the default setting (cycle 1 hour). Features ESP32S3 module onboard with the WiFi and Bluetooth Ready to use: Power it on directly to use Module name/signal interval settable easily by phone IP68 water-proof Temperature: -40°C~80°C, ±0.3 Humidity: 0~100% moisture CO2: 0~1000 ppm Light intensity: 1-65535 lx Communication distance: Lora: >3 km 1000 mAh battery, charger IC onboard Solar panel 6 W, ensure system works Downloads Manual BH1750 Datasheet SGP30 Datasheet

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Maker Line is a line sensor with 5 x IR sensors array that is able to track line from 13 mm to 30 mm width. The sensor calibration is also simplified. There is no need to adjust the potentiometer for each IR sensor. You just have to press the calibrate button for 2 seconds to enter calibration mode. Afterwards you need to sweep the sensors array across the line, press the button again and you are good to go. The calibration data is saved in EEPROM and it will stay intact even if the sensor has been powered off. Thus, calibration only needs to be carried out once unless the sensor height, line color or background color has changed. Maker Line also supports dual outputs: 5 x digital outputs for the state of each sensor independently, which is similar to conventional IR sensor, but you get the benefit of easy calibration, and also one analog output, where its voltage represents the line position. Analog output also offers higher resolution compared to individual digital outputs. This is especially useful when high accuracy is required while building a line following robot with PID control. Features Operating Voltage: DC 3.3 V and 5 V compatible (with reverse polarity protection) Recommended Line Width: 13 mm to 30 mm Selectable line color (light or dark) Sensing Distance (Height): 4 mm to 40 mm (Vcc = 5 V, Black line on white surface) Sensor Refresh Rate: 200 Hz Easy calibration process Dual Output Types: 5 x digital outputs represent each IR sensor state, 1 x analog output represents line position. Support wide range of controllers such as Arduino, Raspberry Pi etc. Downloads Datasheet Tutorial: Building A Low-Cost Line Following Robot  

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After power on, YDLIDAR G4 start rotating and scanning the environment around it. The scanning distance is 16 m and the device offers a scanning rate of 9,000 times per second. It makes detailed examinations of its environment and can locate the smallest of objects surrounding it. Featuring a high-precision brushless motor and encoder disc mounted on bearings, it rotates smoothly and has a service life of up to 500,000 hours of operation. The G4 is an inexpensive solution for projects that require obstacle detection, obstacle avoidance, and/or simultaneous localization and mapping (SLAM). All YDLIDAR products are ROS ready. Features 360 degree 2D range scanning Stable performance, high precision 16 m range Strong resistance to environmental light interference Brushless motor drive, stable performance FDA Laser safety standard Class I 360 degree omnidirectional scanning, 5-12 Hz adaptive scanning frequency OptoMagnetic technology Wireless data communication Scanning rate of 9000 Hz Downloads Datasheet User Manual Development Manual SDK Tool ROS

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Grove 3-Axis Digital Accelerometer (LIS3DHTR) is a low-cost 3-Axis accelerometer in a bundle of Grove products. It is based on the LIS3DHTR chip which provides multiple ranges and interfaces selection. You can never believe that such a tiny 3-Axis accelerometer can support I²C, SPI, and ADC GPIO interfaces, which means you can choose any way to connect with your development board. Besides, this accelerometer can also monitor the surrounding temperature to tune the error caused by it. Features Measurement range: ±2g, ±4g, ±8g, ±16g, multiple ranges selection. Multiple interfaces option: Grove I²C interface, SPI interface, ADC interface. Temperature adjustable: able to adjust and tune the error caused by temperature. 3/5V power supply Specifications Power Supply 3/5V Interfaces IC/SPI/GPIO ADC I²C address Default 0x19, can be changed to 0x18 when connecting SDO Pin with GND ADC GPIO Power input 0-3.3V Interruption An interruption Pin reserved SPI Mode set up Connect the CS Pin with GND Included 1x Grove 3-Axis Digital Accelerometer (LIS3DHTR) 1x Grove cable Downloads LIS3DHTR Datasheet Hardware schematic Arduino Library

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The Intelligent Digital Thermostat Temperature Controller is a small switch controller (77x51mm) which allows you to create your own thermostat. With its NTC Sensor and its LED displays, you are able to switch up to 10A 220V depending on the measured temperature.

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Want to make a UV detector to know the UV index when you are under the sun? Grove Sunlight Sensor is a multi-channel digital light sensor, which has the ability to detect UV-light, visible light and infrared light. This device is based on SI1151, a new sensor from SiLabs. The Si1151 is a low-power, reflectance-based, infrared proximity, UV index and ambient light sensor with I²C digital interface and programmable-event interrupt output. This device offers excellent performance under a wide dynamic range and a variety of light sources including direct sunlight. Grove Sunlight Sensor includes an on-board Grove connector, which helps you to connect it to your Arduino easily. You can use this device for making some projects which need to detect the light, such as a simple UV detector for your Raspberry Pi weather station, or a smart irrigation system using Arduino if you need to monitor the visible spectrum. Features Multi-channel digital light sensor: can detect UV-light, visible light and infrared light Wide spectrum detection range: 280-950 nm Easy to use: I²C Interface (7-bit), compatible with Grove port, just plug-and-play Programmable configuration: Versatile for various applications 3.3/5 V Supply, suitable for many microcontrollers and SBCs Applications Light detection Smart irrigation system DIY weather station Included 1x Grove Sunlight Sensor 1x Grove Cable Downloads Schematic in PDF Schematic in Eagle File Si1145 Datasheet GitHub Repositoriy for Grove Sunlight Sensor Spectrum Lumen (unit) Ultraviolet index

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The Sensirion SGP30 is a digital multi-pixel gas sensor that can easily integrate with air purifiers, demand-controlled ventilation, and other IoT applications. Powered by Sensirion’s CMOSens®technology, it integrates a complete sensor system on a single chip featuring a digital I2C interface, a temperature-controlled micro hotplate, and two preprocessed indoor air quality signals. As the first metal-oxide gas sensor featuring multiple sensing elements on one chip, the SGP30 provides more detailed information about air quality. Features Multi-pixel gas sensor for indoor air quality applications Outstanding long-term stability I2C interface with TVOC and CO2eq output signals Low power consumption Chip module tape and reel packaged, reflow solderable Specifications Weight: 9g Battery: Exclude Working Voltage: 3.3V/5V Output range: TVOC-0 ppb to 60000ppb / CO₂eq - 400 ppm to 60000 ppm Sampling rate: 1 Hz

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This Grove - PIR Motion Sensor(Passive Infrared Sensor) can detect infrared signals caused by motion. If the PIR sensor notices the infrared energy, the motion detector is triggered and the sensor outputs HIGH on its SIG pin. The detecting range and response speed can be adjusted by 2 potentiometers soldered on its circuit board, The response speed is from 0.3s - 25s, and max 6 meters of detecting range. The Grove - PIR Motion Sensor(Passive Infrared Sensor) is an easy-to-use motion sensor with Grove compatible interface. Simply connecting it to Base Shield and programming it, it can be used as a suitable motion detector for Arduino projects. For example, the PIR Motion Sensor is commonly used in security alarm systems and automatic lighting applications. Features Grove compatible interface Voltage range: 3 V – 5 V Size: 20 mm x 40 mm Detecting angle: 120 degree Detecting Max distance: 6m (3m by default) Adjustable detecting distance and holding time Applications Motion Sensor Motion Detector Security Alarm System Human Detection System Technical Specifications Dimensions 40 mm x 20 mm x 15 mm Weight 12 g Battery Exclude Voltage range 3 V – 5 V Detecting angle 120 degree Detecting distance max 6m (3m by default)

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Grove Piezo Vibration Sensor is suitable for measurements of flexibility, vibration, impact and touch. The module is based on PZT film sensor LDT0-028. When the sensor moves back and forth, a certain voltage will be created by the voltage comparator inside of it. Therefore, outputs high & low levels. In spite of the fact that it has a high receptivity for strong impacts, a wide dynamic range (0.001 Hz~1000 MHz) also guarantees excellent measuring performance. Finally, you can adjust its sensitivity by adjusting the potentiometer with a screw. Features Standard grove socket Wide dynamic range：0.001 Hz~1000 MHz Adjustable sensitivity High receptivity for strong impact Applications Vibration Sensing in Washing Machine Low Power Wake-up Switch Low-Cost Vibration Sensing Car Alarms Body Movement Security Systems Downloads Download Wiki PDF Grove - Piezo Vibration Sensor Eagle File Grove - Piezo Vibration Sensor Schematic PDF File Grove - Piezo Vibration Sensor PCB PDF File Piezo Vibration Sensor Datasheet

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The JOY-iT R301T fingerprint sensor module is capable of image collection and algorithm calculation due to this integrated chip. Another remarkable function of the sensor is, that it can recognize the fingerprint in different conditions, for example humidity, light texture or changes of the skin. This offers a very wide range of possible applications to secure locks and doors among others. The chip can send data via UART, TTL serial and USB to the connected controller. Specifications Model JP2000 sensor Chip 32 Bit ARM Cortex-M3 Chip storage 96 kB RAM, 1 MB Flash Power supply 4.2-6.0 V Working current Typical: 40 mAPeak: 50 mA Logic level 3,3/5 V TTL Logic Fingerprint storage capacity 3000 Prints Matching mode 1:N Identification1:1 Verification Adjustable security level 1 - 5 levels(default security level: 3) False acceptance rate < 0.001%(on security level 3) False acceptance rate < 0.1%(on security level 3) Response time Pre-treatment: < 0.45 sMatch: < 1.5 s Baud rate support 9600 - 921600 UART communication No parity, Stop Bit: 1 Dimensions 42 x 19 x 8 mm Included 1x Fingerprint sensor COM-FP-R301T 1x Cable Downloads Datasheet Manual

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This ultrasonic distance sensor (ME007-ULA V1) offers high performance with a robust, waterproof probe. Operating on the principle of ultrasonic echo ranging, the sensor determines the distance to a target by measuring the time elapsed between sending a pulse and receiving the echo. Its non-contact design allows it to detect a wide range of materials, including transparent or non-ferrous objects, metals, non-metals, liquids, solids, and powders. Specifications Detecting Distance 27~800 cm Output Interface RS232, Voltage Analog Operating Voltage 5-12 V Average Current <10 mA Operating Temperature −15~60°C Dimensions 60 x 43 x 31 mm

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