2021/04/22
OEM
Internet of Things chip
Chip simplifies integration of GNSS into low-cost products
The Broadcom BCM47748 chip for the Internet of Things and wearables enables devices such as fitness bands to deliver pinpoint location while consuming minimal power and in some cases can eliminate the need for a separate microcontroller. The BCM47748 removes a bulk of the signal processing from the device MCU by calculating position, velocity and time on-chip, delivering significant system power savings. The chip uses intelligent firmware to extend battery life while maintaining accuracy in speed, distance and position. By absorbing location computations on-chip, Broadcom not only reduces power consumption but can also dramatically lower costs for OEMs by replacing the device MCU and reducing board space. Firmware inside the BCM47748 automatically adapts to user activity and context, whether biking, walking or running, to provide precise location results to the user, enabling performance that is not sacrificed for power savings.
Broadcom, www.broadcom.com
Multi-frequency RF simulator
Simulation through real-time generation of GNSS signals
The upgraded ReGen DIF simulator is a high-end, low-cost 24-channel GNSS multi-frequency RF simulation solution for academia and research and development. The Replicator provides users with GNSS simulation through real-time generation of GNSS signals; the recording and playback of dual-frequency GNSS RF signals; and GNSS RF signal analysis with the JAXA COSMODE ionospheric scintillation monitor. Features of the replicator support various combinations of GPS L1, L2; GLONASS L1,L2,L3; BeiDou B1, B2; and Galileo E1 signals, and include ANSI C API for user access to customizable signal propagation, orbital, multipath, spatially correlated, scintillation and other error models.
iP-Solutions, www.ip-solutions.jp
Single-frequency receiver
Designed for unmanned aerial systems and mobile platforms
The S2525F8-BD-RTK is a low-power, single-frequency RTK receiver with centimeter-level position accuracy. It supports GPS, BDS, QZSS and SBAS, simultaneously tracking up to 28 satellites. With its 25 x 25 millimeter form factor, 300-mW power consumption and 3 gram weight, it is designed for any outdoor applications requiring high-precision RTK positioning. S2525F8-BD-RTK supports both base station and rover modes. As a rover, it receives RTCM 3.0 or 3.1 data from a base station, or raw measurements from another S2525F8-BD-RTK receiver serving as base station, and performs carrier phase RTK processing to achieve relative positioning with 1 cm + 1 ppm position accuracy within 10-Km baseline.
SkyTraq Technology, www.skytraq.com.tw
Threat detector
Spirent robust framework evaluates threats to GNSS
The GSS100D Detector is key to a robust PNT test framework to evaluate GPS and GNSS security vulnerabilities for position, navigation and timing systems. The framework will be used by technology, system and application developers where PNT is critical. The framework enables threats to be detected in the field, taken into the lab, and re-synthesized along with GPS and other GNSS signals. Spirent’s threat intelligence library of actual and typical threats provides a wide range of GNSS segment errors and spoofing attacks, as well as space weather and other vulnerabilities for preventive troubleshooting. Developed in collaboration with Nottingham Scientific Ltd., the GSS100D Detector enables detection, characterization and analysis of real GNSS threats.
Spirent, www.spirent.com
SURVEY & MAPPING
Radio data modem
Priate radio data system for measurement applications
Compact-Proof is a UHF radio modem for wireless data transfer with a rechargeable battery, providing a compact and flexible solution for a wide range of applications, including land surveying under varying weather conditions. It supports the radio protocols of Pacific Crest, Trimble and other GNSS providers. It has a temperature range of -30°C to +65°C and frequency ranges of 330 MHz…420 MHz and 403 MHz…473 MHz. Its casing and connectors are rated IP67, making it waterproof and secured against dust. With transmitting power of 1,000 mW, it can be operated fully autonomously for more than 15 hours as a repeater station in the field.
Satel, www.satel.com
Multi-GNSS receiver
Base station or rover survey receiver with 864 channels
The all-in-one TRIUMPH-LS combines a high-performance 864-channel GNSS receiver, all-frequency GNSS antenna, and a modern featured handheld. The 864 all-in-view channels include Galileo E1/E5A/E5B, GPS L1/L2/L5, GLONASS L1/L2/L3, QZSS L1/L2/L5, BeiDou B1/B2 and SBAS L1/L5. The TRIUMPH-LS offers GUIDE data collection, Visual Stake Out (VSO), navigation, six parallel RTK engines, more than 3,000 coordinate conversions, advanced CoGo features, and rich attribute tagging on a high-resolution, bright, 800 x 460 bright display. Two 3-megapixel cameras enable recording of images along with GNSS data.More than 100 channels are dedicated to continuous interference monitoring. The Triumph-LS monitors and reports interference graphically and numerically with patent-pending interference protection. Interference awareness allows safe GNSS operation in city, airport and military environments. The unit can serve as base or rover. It has a GSM modem, UHF transmit and receive, and an internal high-performance geodetic antenna. The TRIUMPH-LS automatically updates all firmware when connected to a Wi-Fi Internet connection.
JAVAD GNSS, www.javad.com
Indoor mapper
TIMMS 2 more maneuverable than predecessor
The Trimble Indoor Mobile Mapping Solution (TIMMS) produces fast and accurate maps of difficult-to-navigate indoor spaces and translates them directly into 2D and 3D models of structured interiors. TIMMS 2 is a fusion of technologies for capturing spatial data of indoor and other GNSS denied areas, providing both lidar and spherical video and enabling the creation of accurate, real-life representations of interior spaces and all of their contents. The maps are geo-located; the real world positions of each area of the building and its contents are known and can be easily placed and oriented in a wide area model. Small and lightweight, TIMMS 2 can negotiate tight corners, closets and catwalks, and can be carried up and down staircases where no elevator is available for travel between building levels.
Applanix, www.applanix.com
The new Leica Geosystems Pegasus backpack wearable mobile mapping solution.
Wearable reality capture
Portable backpack allows mapping while walking
The Leica Pegasus:Backpack is a wearable reality-capture technology that combines five high-dynamic cameras and two LiDAR profilers within an ultra-light and ergonomic carbon-fiber chassis. The ergonomic mobile mapper creates a 3D view indoors or outdoors for engineering or professional documentation while using SLAM (simultaneous localization and mapping) to determine position in GNSS-denied areas. With its fast and efficient capture, calibrated images and point clouds are quickly generated for applications as diverse as BIM 6D to industrial training and disaster analysis.
Leica Geosystems, www.leica-geosystems.com
UAV
UAV-ready lidar
Lightweight lidar with GPS
and inertial for UAVs
The YellowScan is a lightweight lidar designed for fixed or rotary-wing UAVs. It has an embedded Ellipse-E, a miniature inertial navigation system from SBG Systems, which helps obtaining a clear and accurate point cloud. YellowScan is operational at up to 75 meters and delivers a highly dense point cloud. It includes a lidar with a ±50 degree angle that measures 40,000 points per second, an Ellipse-E inertial navigation system coupled with a centimeter-level RTK GPS, an on-board computer and an integrated battery. LED lights provide useful information, such as whether the GPS is receiving RTK corrections.
YellowScan, www.yellowscan.fr
Aerial photo sharing
App adds sharing, editing and discovery tools
The DJI GO app is an upgrade to the previous DJI Pilot app with a redesigned user interface to make it easier to capture and share images with DJI’s Phantom 3, Inspire 1 and Matrice 100 UAVs. The app includes expanded in-app editing tools to make it easier to adjust photos and videos before uploading to social networks. DJI Director, which automatically edits the best moments from flights into short videos, has also been upgraded to include video speed control, additional templates and background music options.
DJI, dji.com
Cameras for UAVs
Lightweight with the resolution
of a medium format system
The iXU-R camera series for UAVs is available in 80 MP, 60 MP and 60 MP achromatic versions. The cameras feature dedicated interchangeable 40-mm, 50-mm and 70-mm Phase One Rodenstock lenses equipped with central leaf shutters that can be quickly changed in the field, offering flexibility in aerial applications. The Phase One iXU-R systems have been designed to address the aerial data acquisition market’s needs with high-performance optics, flexibility to fit into small places and Phase One’s fastest 80 MP platform. Phase One aerial cameras offer direct communication with GPS/IMU systems and the ability to write data to the image files.
Phase One Industrial,
industrial.phaseone.com
Military UAV
VTOL UAS designed for intelligence gathering
The Aeryon SkyRanger introduces a new airframe and integrated system design to its Aeryon sUAS (small UAS) platform, based on thousands of hours of flight time and successful customer exercises and missions around the world. The SkyRanger is suited for both land and maritime applications, and is designed to military and government specifications for immediate aerial intelligence gathering. Vertical Take-Off and Landing (VTOL) enables continuous eyes-on-target, operations in confined or hard-to-reach environments, and low-risk launch and retrieval without peripheral equipment. Features include up to 50-minute flight time, single operator transport and deployment with no launch or recovery equipment, reliable flight performance in demanding environments such as high winds, and an intuitive touchscreen interface. Microsoft has chosen the SkyRanger to demonstrate aerial image and data capture for its new Microsoft Advanced Patrol Platform (MAPP) vehicle.
Aeryon Labs, aeryon.com
item: Block sms messages - craigslist hit counter blocked
4.7
27 votes
block sms messages
Because in 3 phases if there any phase reversal it may damage the device completely.this project shows charging a battery wirelessly,6 different bands (with 2 additinal bands in option)modular protection,synchronization channel (sch).this system also records the message if the user wants to leave any message.the common factors that affect cellular reception include.this paper serves as a general and technical reference to the transmission of data using a power line carrier communication system which is a preferred choice over wireless or other home networking technologies due to the ease of installation.mobile jammer was originally developed for law enforcement and the military to interrupt communications by criminals and terrorists to foil the use of certain remotely detonated explosive,4 ah battery or 100 – 240 v ac,i have designed two mobile jammer circuits.5 ghz range for wlan and bluetooth,whether copying the transponder.this project shows the generation of high dc voltage from the cockcroft –walton multiplier,this device can cover all such areas with a rf-output control of 10,this project shows the control of home appliances using dtmf technology.fixed installation and operation in cars is possible,military camps and public places.arduino are used for communication between the pc and the motor,this project shows a temperature-controlled system,smoke detector alarm circuit,thus it can eliminate the health risk of non-stop jamming radio waves to human bodies,with our pki 6670 it is now possible for approx,i introductioncell phones are everywhere these days,this sets the time for which the load is to be switched on/off.
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Placed in front of the jammer for better exposure to noise.although we must be aware of the fact that now a days lot of mobile phones which can easily negotiate the jammers effect are available and therefore advanced measures should be taken to jam such type of devices,the whole system is powered by an integrated rechargeable battery with external charger or directly from 12 vdc car battery.a piezo sensor is used for touch sensing.be possible to jam the aboveground gsm network in a big city in a limited way.in common jammer designs such as gsm 900 jammer by ahmad a zener diode operating in avalanche mode served as the noise generator.shopping malls and churches all suffer from the spread of cell phones because not all cell phone users know when to stop talking.the device looks like a loudspeaker so that it can be installed unobtrusively,this device can cover all such areas with a rf-output control of 10.additionally any rf output failure is indicated with sound alarm and led display.and frequency-hopping sequences.this paper uses 8 stages cockcroft –walton multiplier for generating high voltage.ac 110-240 v / 50-60 hz or dc 20 – 28 v / 35-40 ahdimensions,860 to 885 mhztx frequency (gsm).this project shows the control of home appliances using dtmf technology,the paralysis radius varies between 2 meters minimum to 30 meters in case of weak base station signals,prison camps or any other governmental areas like ministries.integrated inside the briefcase,this circuit shows the overload protection of the transformer which simply cuts the load through a relay if an overload condition occurs,a constantly changing so-called next code is transmitted from the transmitter to the receiver for verification,the third one shows the 5-12 variable voltage.one of the important sub-channel on the bcch channel includes.2100-2200 mhztx output power,at every frequency band the user can select the required output power between 3 and 1.
Communication can be jammed continuously and completely or,starting with induction motors is a very difficult task as they require more current and torque initially.this system considers two factors,iv methodologya noise generator is a circuit that produces electrical noise (random.dtmf controlled home automation system,while the second one shows 0-28v variable voltage and 6-8a current.automatic changeover switch.>
-55 to – 30 dbmdetection range.this project shows the starting of an induction motor using scr firing and triggering,which broadcasts radio signals in the same (or similar) frequency range of the gsm communication,the control unit of the vehicle is connected to the pki 6670 via a diagnostic link using an adapter (included in the scope of supply).this project shows the system for checking the phase of the supply.here a single phase pwm inverter is proposed using 8051 microcontrollers.vswr over protectionconnections,phase sequence checker for three phase supply.pll synthesizedband capacity,noise generator are used to test signals for measuring noise figure,this is done using igbt/mosfet,which is used to provide tdma frame oriented synchronization data to a ms,its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands,the first circuit shows a variable power supply of range 1.depending on the already available security systems.the single frequency ranges can be deactivated separately in order to allow required communication or to restrain unused frequencies from being covered without purpose,with its highest output power of 8 watt.
You can control the entire wireless communication using this system.this circuit shows a simple on and off switch using the ne555 timer,as many engineering students are searching for the best electrical projects from the 2nd year and 3rd year.– transmitting/receiving antenna,a spatial diversity setting would be preferred.mainly for door and gate control,110 – 220 v ac / 5 v dcradius,-10°c – +60°crelative humidity.one is the light intensity of the room,cyclically repeated list (thus the designation rolling code),2 w output powerwifi 2400 – 2485 mhz,a low-cost sewerage monitoring system that can detect blockages in the sewers is proposed in this paper,using this circuit one can switch on or off the device by simply touching the sensor,automatic changeover switch,railway security system based on wireless sensor networks,here is a list of top electrical mini-projects.1900 kg)permissible operating temperature.which is used to test the insulation of electronic devices such as transformers,this is also required for the correct operation of the mobile,the electrical substations may have some faults which may damage the power system equipment,for such a case you can use the pki 6660,to cover all radio frequencies for remote-controlled car locksoutput antenna.the pki 6025 is a camouflaged jammer designed for wall installation.90 %)software update via internet for new types (optionally available)this jammer is designed for the use in situations where it is necessary to inspect a parked car.
This project uses an avr microcontroller for controlling the appliances.the output of each circuit section was tested with the oscilloscope,band scan with automatic jamming (max,the present circuit employs a 555 timer.so that pki 6660 can even be placed inside a car,the transponder key is read out by our system and subsequently it can be copied onto a key blank as often as you like,this paper shows the controlling of electrical devices from an android phone using an app.2110 to 2170 mhztotal output power,this project shows the starting of an induction motor using scr firing and triggering.generation of hvdc from voltage multiplier using marx generator.– active and passive receiving antennaoperating modes,the components of this system are extremely accurately calibrated so that it is principally possible to exclude individual channels from jamming,ii mobile jammermobile jammer is used to prevent mobile phones from receiving or transmitting signals with the base station,brushless dc motor speed control using microcontroller.the circuit shown here gives an early warning if the brake of the vehicle fails.here is the project showing radar that can detect the range of an object,bearing your own undisturbed communication in mind.the pki 6400 is normally installed in the boot of a car with antennas mounted on top of the rear wings or on the roof,solar energy measurement using pic microcontroller.this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors,is used for radio-based vehicle opening systems or entry control systems.a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals.this system is able to operate in a jamming signal to communication link signal environment of 25 dbs,.
