[대학교 졸업작품]공공장소에 설치되어있는 기존의 자전거보관소에 전자식 자전거 잠금장치만을 추가하는 방식입니다. 작동원리는 개인이 소지하고 있는 신용카드 및 체크카드, 교통카드 등을 잠금장치에 부착되어있는 RFID에 접촉하여 본인만의 Key를 등록한 다음 와이어를 결속하게되면 잠금이되고, 반대로, 잠금을 해제할 경우 본인이 최초 등록했던 카드를 접촉하게되면 다시 잠금장치가 풀리며 최초 등록한 카드는 자동초기화 되는 방식의 잠금장치를 구현하고자 합니다. 즉, RFID에 카드 접촉 시 잠금장치가 잠기게 구현 해주시면 됩니다.
I require a highly-skilled freelancer to design and develop a Near Field Communication (NFC) reader circuit. The circuit will focus on reading NFC tags (NTAG 215) via a custom-built antenna. Specifics include: - The operating range of the NFC reader antenna should be between 1 to 2cm. - It must be capable of detecting specific tags without unnecessarily scanning nearby ones. - Furthermore, the circuit will be integrated with a specified embedded system, developing compatibility is a must-have. For this project, strong experience in circuit design, NFC technology understanding and embedded systems integration is required. Attention to detail to ensure accurate tag scanning and low power usage is also a critical skill for this task. Potential freelancers shou...
In need of a programmer who can create a software to decrypt Mifare 1k RFID cards. The main purpose is to retrieve data and get keys and edit the data Key Requirements: - Expertise in encryption and decryption programming. - Experience with RFID technologies. - Ability to integrate the deciphered data with subsequent software development as we currently do not possess the software to process the decrypted information. Your role will be highly valued, as it will foster smooth and secure data retrieval for our operations. Refrence @lp1/how-to-hack-mifare-classic-nfc-cards-69c8edcbe1e7
I need a compact and efficient RFID decoding device that can effectively handle access control duties. We have multiple RFID 1k cards which are encrypted. We want to decrypt the card and should be able to edit the data in it Key Requirements: - **RFID Support**: The device should be able to work seamlessly with Low Frequency (LF) RFID tags. Such as mifare 1k. RFID 1k card - **Wi-Fi Connectivity**: if required it should have Wi-Fi capabilities to enable remote access and data management. Ideal Freelancer: - Proficient in RFID technology. - Experienced with access control systems. - Skilled in hardware development and connectivity. - Ability to create a compact and user-friendly device.
...serves to protect the prototype but also enhances its aesthetic appeal. Incorporating a sleek design with rounded corners and borders, the container should have specific holes for power button, recharging, and antenna. The chosen material for this project is plastic PLA. Prior experience in designing 3D models with STL files for plastic materials is highly desirable. Your creative input is welcome but the final product must match the dimensions and aesthetic requirements as specified. The design should be innovative but practical for real-world implementation. Key Aspects: - Design a rectangular container with rounded corners and borders - Incorporate specific holes for power, recharging, and antenna - Create 3D and STL file for a plastic container...
Can you remake this image. Variation one using the same graphics for the labels Variation 2 using the our color scheme for the labels make it a color picture
Project Overview We are seeking a skilled Android developer to create a simple and efficient Car Maintenance Tracker app designed for auto repair shops. The app's primary function is to streamline customer and vehicle management by utilizing RFID technology. Core Features: RFID Integration: The app will utilize an RFID reader connected to the Android tablet to scan customer vehicle tags. Scanning a tag will display the vehicle's service history and stored information. Vehicle & Customer Data Management: For new customers, the app will allow users to create profiles by entering: Customer Name Contact Information (Phone, Address) Vehicle Details (Type, Engine Type, Oil Type, Filter Types, Battery Size, etc.) Additional Notes Existing customer data can be ea...
I am seeking a competent software developer to create a program that integrates a robot and RFID reading system, primarily for automating inventory management in a warehouse setting. The successful freelancer should strongly grasp robotics, RFID technology and software development. Their responsibility will be developing a software compatible with both Windows and Linux operating systems that smoothly facilitates communication between the robot and RFID reading system. Requirements: - Expertise in robotics and RFID technology - Proficient in coding for both Windows and Linux systems - Experience in developing software for inventory management - Understanding of warehouse processes and operations Goal: The objective is to make our inventory manage...
I'm in need of an experienced developer who can help me write a code for interfacing a 16x2 LCD and RC522 RFID sensor with the Megawin MG82F6D17 microcontroller. The ideal freelancer should be proficient in: - Interfacing the LCD and RC522 sensor with the MG82F6D17 microcontroller - Implementing basic text display features on the LCD - Reading ID data from the RFID tags with the RC522 sensor A deep understanding of microcontrollers and RFID technology is a must for this project. The final code should reliably display the ID data from the RFID tags on the LCD.
...have all the hardware including an Arduino Uno R4, a NEMA 17 stepper motor, an A4988 stepper motor controller, an RC522 RFID antenna, a 1602IIC LCD display, and push buttons. All of these components need to be connected to the same arduino. I need this system function as follows: - When the push button is pressed, the stepper motor will be moved X amount of steps in one direction after a delay of 1 second. At this time, the LCD display should display "Scan ID to Unlock". - When a registered and accepted RFID tag is scanned, the LCD will display "Tool Unlocked". When this happens, the stepper motor should be moved X amount of steps BACK to where it came from. - If an RFID card which is NOT registered (ie not valid) is scanned, the step...
Raspberry PI CM4 carrier board design The project consist in the design of a CM4 carrier board whit specific requirements. All connections with ended with JST connectors, (except the antenna of the AIS, to be decided). The original idea is starting from a existing CM4 carrier board ‘open source’, and modify it to add/remove elements, also ‘open source’. Most of the requirements can be found in any CM4 carrier board available with a public license, for exampe CMIO from raspberry pi. Description of the elements, interfaces and other requirements follows • Maximum board size 100mmx200mm aprox. • Power souce 12v, protected and converted to other DC (present in CMIO) • USB-C with mini USB conector for programming (pres...
...External antenna connectors SMA - 1 X Power LED for CM4 - 1 X Activity LED for CM4 - 1 X Multicolour LED for signal strength of mobile module. - The carrier board should be made as small as possible. Skills and experience: - Freelancers interested need proficiency in electronics and PCB design, along with a deep understanding of Raspberry Pi Compute Module 4. Experience in custom carrier board design and SIM7600 or equivalent 4G mobile module that works in Australia on Telstra also required. The freelancer would be expected to have sample units manufactured and tested for functionality (third party manufacturer ok - Cost will be paid by me). - Applicants able to design user friendly configuration of the mobile module would be highly desirable. - An...
Detailed description of services provided: RF Test Analysis: We will begin with an in-depth analysis of the RF test resul...results provided, to understand your antenna's current performance and identify areas for improvement to meet CE-RED and FCC certification requirements. Antenna Redesign: Following our analysis, it is clear that a revision of the antenna design is required to reduce transmit power at the 7217.00 MHz frequency. We therefore propose to redesign the antenna by adjusting its dimensions to achieve the required transmit power levels. Antenna import: If you already have a simulation file, we can import it directly into HFSS to speed up the redesign process. Otherwise, please provide us with your PCB's Gerber file, from which we ...
As a retail outlet owner, I have a SATO CL4NX Plus printer and I am eager to optimize its RFID settings specifically for: - Tag Encoding - Optimization of Read Range settings Ideal candidates to achieve these tasks should be proficient in configuring RFID settings specifically for UHF tags which our retail outlet predominately uses. In addition, experience in configuring RFID for retail settings will be a considerable advantage. KEY SKILLS: - Proficient in tag encoding and read range settings - Familiarity with SATO CL4NX Plus - Experience with UHF tag configurations - Knowledge of RFID usage in retail settings is ideal
I am looking for an experienced antenna design expert who can help me in designing a parabolic antenna, specifically for satellite communication in the Ka frequency band. Key requirements: - Designing a Parabolic Reflector Antenna: Design the parabolic antenna starts from the 1m diameter requirement then find the edge taper and other related parameters based on the optimal aperture efficiency. Use the cosine q model to derive the edge taper requirement and find the other parameters as well using the characteristics equations of parabola especially offset parabola. All design equations must have proper reference where the equation taken from. better use balanis book - after finding the edge taper requirement need to find the feed requiremen...
I'm looking out for expert assistance to set up my Ubiquiti PowerBeam Point-to-Point connection. Key...PowerBeam Point-to-Point connection. Key details about the project: - The two locations are less than a mile apart. - There is mostly a clear line of sight between the two locations with just one tree partially blocking. - My goal is to achieve an internet speed of 10 Mbps. - I have successfully connected to my Powerbeam when I first connected it. However, now that I have put the dish up on my antenna pole I am no longer able to connect to it. The perfect candidate for this project should have proven experience in setting up Ubiquiti PowerBeam and knowledgeable about Point-to-Point connections. I'm eager to get this project off the ground, setting up a reliable conn...
...create a GPS RFID system specifically for tracking a golf ball. The system should be very accurate, able to pinpoint the location of the ball within millimeters. This project is not for general location tracking or asset management, it's tailored for a very specific case. Key requirements: 1. **GPS and RFID Integration**: You'll need to create a system that can effectively integrate both GPS and RFID technologies for the purpose of tracking the golf ball. 2. **High Accuracy**: The system must be able to provide the location of the golf ball within millimeters. This is crucial for the success of the project. 3. **Radio Communication**: The tracking system should also be able to effectively communicate the location data using radio. Ideal Skills: - Prof...
I'm in need of a skilled antenna designer to create a GPS directional (Yagi, Vivaldi ....) Printed Circuit Board (PCB) antenna specifically designed for GPS applications. Key Requirements: - The antenna should support GPS L1 1.57542GHz for optimal GPS functionality. - The design should be compact . Ideal Skills and Experience: - Proven experience in designing UHF PCB antennas. - Prior projects related to GPS antenna design would be a significant plus. If you've got expertise in this area, I'm eager to hear from you and potentially kick-start our collaboration.
We are seeking an antenna specialist to design a PCB antenna with a working frequency of 2.4 GHz. We've already produced several PCBs. RF communication works well, but we need to tune the antenna to meet RF tests (CE-RED and FCC certification).
I'm seeking an experienced flutter developer to expand the key inventory features of our existing product. The key enhancements we're focusing on are: 1. Barcode Scanning: I'm interested in adding a barcode scanning feature that can be operated through both mobile device cameras and dedicated barcode scanners. Your expertise in creating functional and bug-free barcode systems will allow for an easier, more efficient inventory process. 2. Stock Management: I'm also looking to manage essential data related to product availability, sales records, and inventory forecasting. Your proficiency in developing comprehensive stock management systems will aid in making informed decisions, optimizing sales and ensuring product availability. Your quotation should include e...
...PCB designer for a multi-layer PCB design project. The primary requirement is to create a design using Eagle software, include RF antenna functionality. • Ideal skills: - Extensive experience in multi-layer PCB design - Proficiency with Eagle PCB design software - Familiarity with RF antenna concepts This PCB will not perform signal processing, power management, or data communication, but rather focuses primarily on the RF antenna functionality. Basically it will send sine wave upto 1000 sqft and the frequency of our bidders will have prior experience in similar tasks. Consequently, please prepare your portfolio showcasing your understanding and execution of such concepts. Your bid should reflect your capacity to deliver...
So I posted a blog in 3 languages: I'm going to make the blog to show on latest section just like I always did whenever a new blog is live. The issues is, I cannot find the blog. Usually I'll just need to type the blog post name (see attached) and find it but it suddenly stop working. The page in screenshot: Whatever way you are trying
Looking for an RF expert that can give me a circuit of a Cheap easy to build circuit of an RF Amplifier that can transmit up to 150km line of sight with design of Antenna. This person will also present a simulation data showing that this works and everything is working as we intended.
...up of a central unit, three presence sensors, an RFID tag reader and a siren. The control unit is located inside the residence and has a panel with LEDs. 1 LED lights up steady to indicate system activated. When the control unit is activated and a person passes in front of the sensor in a room, the siren sounds and the violated sector(s) are indicated on the control panel. 3 sector LEDs to indicate a breached room after activation. When violated, it flashes at a frequency of 10 Hz until the alarm is activated until the siren is deactivated. It lights up steadily to indicate the sector violated until the control unit is reset or rearmed. 1 reset button on the control panel. As a result, the violated sector indicator LEDs are turned off. The RFID reader is at the entrance to...
...commercial clients. Key Features: Check out the attached file for complete requirements: High Level Features • Custom Website & Booking Module • Work Order Management • Estimates and Invoices • Bin tracking with map view • Scheduling Routing & Dispatching • Real Time Billing & Invoicing • Reporting & Dashboards • Mobile App (Driver, Dispatcher, Contractor) • Inventory management (Bin #s, Bin Chip RFID) • Driver and Truck Management • Comprehensive Configuration o Custom Fees: Custom fees per city, per customer, per material, per service, per bin • AI - Forecasting of transaction, inventory • API Details: Custom Website & Booking Module: Each vendor will have the ability to configur...
I am in need of an RF engineer who has high standards when it comes to meticulous antenna design. The job highlights the development of a low frequency antenna that operates within the range of 300 to 1000KHz. Key Responsibilities: - Ideal candidate must deliver a complete low frequency antenna design - Anticipate and solve potential design issues Ideal Skills and Experience: - Expertise in RF circuit design - In-depth understanding of RF system performance analysis - Proficient in antenna creation with emphasis on low frequency operations. Your extensive work experience on similar projects will be highly beneficial. Ability to meet deadlines and remarkable problem solving abilities set you apart. Looking forward to your bids.
...Cross-platform compatibility: The app should be functional on both Android and iOS devices. - Key Information Storage: The primary goal is to ensure that users can easily input and store their car key's information. - Photo Upload & NFC/RFID Scanning: The app should allow users to upload photos of their car key and scan NFC/RFID tags to retrieve key data. Ideal Skills: - Proficiency in both Android and iOS app development. - Experience in creating user-friendly and visually appealing interfaces. - Prior experience with integrating photo upload and NFC/RFID scanning functionalities. - Strong understanding of database management to ensure the information is stored securely. This project requires someone who is not only skilled in app programming but also ha...
I require a sticker design for an RFID fast tag system. This sticker will be affixed to personal vehicles and used for vehicle identification purposes. Key Requirements: - Design a visually appealing sticker for the RFID fast tag system that is suitable for personal vehicles. - Ensure the design is durable and compatible with the RFID technology. Ideal Skills and Experience: - Experience with sticker design, particularly in the context of vehicle identification or similar systems. - Understanding of RFID technology and its implications for sticker design. - A good eye for design that is both aesthetically pleasing and functional. My budget is Rs 300 for 2 option of sticker. sticker size 4 inch by 1 inch. Its simple ...
I am looking for someone to develop an extended range RFID antenna for ISO 14443 A protocol that will interface to a Flipper Zero. Antenna and Flipper needs to operate at least upto 50cm but ideally 100cm. Antenna may need an additional driver stages and a battery pack to enhance the range. Anybody who sends me UHF RFID equipment or suggests it will be ignored. ISO 14443 A operates on 13.56 MHz (HF) looking for a Mifare Ultralite solution and EV1/EV2
Phased-array antenna (8xx-9xx Mhz) or equivalent Active Antenna technology that is software defined, is needed for RFID based passive tags precise RTLS application for a POC we are doing. You may provide any of two options. 1. Source someone to help us find a suitable pre-built antenna system product/solution. 2. Help design a system that will work with an embedded system that is being developed. Software defined, controlled parameters like (not limited to) polarization, steerability, directionality, beam-forming, gain, etc. to have a precise RTLS solution. The scope for area covered, accuracy etc. needs to be defined jointly. the project will not be complete till the scope is achieved. The job is being posted hourly but once a reasonable scope is devel...
I'm in search of an experienced PCB designer. The main requirement of this extended project is expertise in incorporating Bluetooth wireless connectivity into PCB designs. The design will interface with a BLE sensor node. Let's collaborate and create an efficient design. Key Job Responsibilities: - Establish a PCB design with wireless Bluetooth connectivity - Ensure seamless interface with BLE sensor nodes Ideal candidates should have: - Extensive experience in PCB design & antenna design - Specific knowledge in Bluetooth technology - Prior work with BLE nrf52 chips.
We would like to hire a freelancer expert in development of Postgres Database and Synchronization of Data from our Headquarter to our Multiple Area Office (10 No.) and to Multiple Local PC (Around 300 Nos.) locations available in Network.
We have attached the details we need to sync our data from Headquarter to Area Office and than to local PCs and back again. for RFID based application.
I am looking for an expert in RFID technology and .NET programming to integrate the RFID into our current weighbridge system. Key Details: - 3rd Party System was developed using .NET and it does support API or external interface connections. - The task will involve programming to fully integrate the system with RFID technology. Skills and Experience: - Proficiency in .NET programming & SQL Database - Previous experience with RFID technology - Knowledge of API integration - Experience with weighbridge systems would be a huge advantage. Your role will be to ensure the smooth functioning of the weighbridge system post-integration and provide us with a user-friendly, effective RFID solution.
I'm seeking an experienced electronic engineer to design an NFC antenna coil aimed specifically at physical access control via smartphones. The design should meet all the essential criteria for wireless communication and smartphone compatibility with a primary focus on advancing security protocols. Key Requirements: - Deep understanding of NFC and wireless communication - Familiarity with smartphone interfacing techniques, particularly in regards to access control - Understanding of physical access control principles and how they can be incorporated into the antenna design - Previous experience in designing for security and access control applications will be highly regarded. The ultimate goal is the creation of a coil design that can be...
...pdf Reference Development board: Create a Custom Personalized schematic incorporating the components listed, including the Rockchip RK3588 SoC and additional peripherals, you'll need to carefully consider the connections and power requirements of each component. Here's a basic outline of how you might design such a schematic: 1. Rockchip RK3588: - Connect the RK3588 SoC to the necessary power supplies, clock signals, and peripherals according to its datasheet. 2. 4GB/8GB RAM: - Connect the RAM module(s) to the RK3588 SoC's memory interface, ensuring proper signal routing and power connections. 3. eMMC: - Connect the eMMC storage device to the appropriate interface on the RK3588 SoC, typically
100 Tons Weighbridge controller PCB design with RFID
100 Tons Weighbridge controller PCB design with RFID
I'm in search of a skilled professional who can assist me with the prototyping of a retail RFID product. - **Key Features**: The primary functionalities of this RFID product will include read / unlock abilities. - **Target Retail Items**: I aim for this product to be able to read and unlock Electronics, Books, and Media. - **Hardware Design Requirements**: The hardware design needs to be compact as well as easy to install. Ideal candidates should have a strong background in both hardware and software design as it pertains to RFID technology. Experience in retail-oriented product development is a plus.
I need an Arduino C expert with experience in sensor integration, communication with other devices, and data logging. To meet all my project needs, the selected freelancer should have skills to integrate RFID and WiFi sensors. Primary tasks include: - Integrating RFID and WiFi sensors into an Arduino C project. - Ensuring seamless communication between Arduino C and Mobile devices/PCs. - Implementing effective data logging. This is a complex project and looking for someone who can provide realistic solutions. Proven work with Arduino C, RFID/wifi sensor implementation, and device communication enhancement will give you an upper hand in your application. Looking forward to discussing further details.
...skilled developer to help me set up an RFID attendance tracking system using a Raspberry Pi and a USB RFID reader. The system should be able to read RFID tags and record the attendance data. Key requirements: - Develop a script that can integrate the USB RFID reader with the Raspberry Pi for attendance tracking - Store the attendance data on an external database - The external database should be an MS Access DB storeb on windows server on lan shared folder data stored to database should be : date/time, cardID (readed card ID), cardReaderID (could be mac address of network interface), cardReaderSN (also could be the mac address of network interace), cardReaderName) Ideal candidate should have: - Proficiency in Raspberry Pi and the ability to set up an R...
I need assistance with automating input into a web page using VB.Net (or C# with Visual Studio 2017 or higher). I have a mostly working sample in VB.Net, but I am struggling with automating the entry of an antenna type, which is facilitated by a dropdown menu. The specifics of my requirements are as follows: - Web Browser: The automation should be compatible with either Google Chrome or Microsoft Edge. - Handling Dynamic Elements: I am not positive about the need for the automation to handle dynamic web page elements. This will require some assessment or flexibility in the solution. The ideal freelancer for this project should have: - Proficiency in VB.Net or C# with Visual Studio 2017 or higher. - Experience with web page automation. - Knowledge of automating input through dropdo...
I'm looking for an expert in antenna simulation, specifically for a LPDA 470MHz - 700MHz system using MathWorks Antenna Toolbox. Your role would involve: - Crucial simulating of LPDA antenna system accurately - Checking and analyzing the Return Loss versus Size You should have experience with the Mathworks Antenna Toolbox and knowledge in LPDA antenna systems. A clear understanding of Return Loss vs Size in antenna system simulations is a must. Make your bid and let's get started!
I'm looking for an experienced electrical engineer to help design an UHF (Ultra-High Frequency) LPDA antenna. About The Project: - The primary purpose of this antenna will be to work in tandem with wireless microphones, of which I plan to operate between 1-5 at a time. The Ideal Candidate: - Has experience in RF engineering and antenna design - Is familiar with antennas operating in UHF frequencies - Has the ability to optimize antenna design for usage with wireless microphones Please only apply to this project if you meet the above criteria and feel confident you can successfully design an effective LPDA antenna in the UHF range.
I'm seeking a professional with expertise in Raspberry Pi programming and Bluetooth connectivity to design and implement a system that interacts smoothly with RFID technology. Key requirements: - The system must save RFID information in a Raspberry Pi. - The recorded IDs need to be sent via Bluetooth once a day. - No need for long term storage, it should overwrite with new IDs daily. Skills and Experience: - Proficient in Raspberry Pi programming - Experience with RFID technology - Strong knowledge of Bluetooth technology for data transfer - Understanding of data storage and overwriting concept
...seeking an experienced RF design engineer to partner for lab project involving: Design of discrete circuit transmitter with specific RF performance requirement that shall be provided as needed. From the DAC output to RF frequency 5GHz. One stage up-conversion. modeling and simulation of the transmitter signal chain that provides performance details related to link budget RF chain analysis, inter modulation and harmonic distortion using RF/microwave circuit synthesis and simulation software for circuit board and subsystem designers called "Genesys" Desirable Skills and Experiences: - Proven experience in the field of electronics. - Expertise in RF circuit and antenna designing. - Knowledge of medium frequency range (1 GHz - 10 GHz) in RF circuit and a...
I need an RFID solution to manage less than 50 mobile phones stored in key-based lockers. The primary objective is to ensure compliance with our no-mobile-use policy during office hours. Details/Requirements: - Design and implement an RFID solution capable of detecting and tracking the presence of individual mobile phones in the locker. - The system should send timestamps of when the mobile phone is kept inside the locker and when it is taken out, to the server. - The system should generate daily reports to be sent to the administrator with regards to mobile usage for previous day. - The system should be easy to use and does not require advanced technical skill. Skills and Experience: - Proficiency in RFID technology application - Understanding of mobile ph...
...a developer, I'm embarking on a project to build a UHF RFID reader capable of serving primarily as an interfacing tool on RS232, Wiegand, and WiFi. I'm interested in targeting individuals with specific expertise in: - Understanding and working with UHF frequencies - Designing and integrating with the Wiegand interface, our primary focus - Creating a product compatible solely with UHF RFID tags The ideal candidate would need to have a background in electronic engineering, specifically with a focus on RFID technology and the Wiegand interface. Knowledge of programming for WiFi and RS232 interfaces would be advantageous. If you have previous experience in designing or working on similar projects, it's a big plus. I want to make design which i c...
I'm looking for an experienced RF antenna designer to integrate an RF antenna into a mobile handheld device Ideal skills and experience: - Proven expertise in RF antenna design - Experience with wireless communication systems - Ability to work independently and deliver results promptly
Hi Tahir A., I noticed your profile and would like to offer you my project. We can discuss any details over chat.
