...adjust membership privileges. --- ## 2. API Request Rate Limiting ### 2.1 Tier-Based Limits - **Differentiated Limits**: - T1: 5 req/sec, 100/min; T2: 10 req/sec, 200/min; T3: 15 req/sec, 300/min; T4: 20 req/sec, 500/min; T5: special/custom limit. - **Implementation**: - Use middleware in Golang (or API gateways) to enforce per-IP, account, and API key limits. ### 2.2 Circuit Breaker and Throttling - **Circuit Breaker**: - Triggered on consecutive failures or abuse patterns, with thresholds adjustable by tier. - **Throttling**: - Use token bucket or leaky bucket algorithms to smooth out traffic peaks. --- ## 3. API Access Monitoring and Logging ### 3.1 Log Recording - **Details Recorded**: - Log source IP, request parameters, HTTP method, stat...
T3核心板硬件资源基本需求 基本硬件资源 1. 电源供应 DC电源输入，5V单电源输入，CPU要能检测到这个电源是否供电； 电池输入，锂电池电源输入； 实时时钟电源，使用纽扣电池； 2. 显示接口 要支持RGB，LVDS和MIPI接口，由于同时只能使用一个接口，所以这3个接口的管脚可以复用； 3. 触摸屏接口 电阻屏接口，使用ADS7846或者兼容芯片，使用SPI接口； 电容屏接口，使用IIC接口； 4. SD卡接口 CPU要预留出SD/TF卡接口管脚； 5. 网络接口 使用RMII接口的PHY，所以RMII接口管脚也要预留出来，PHY使用DP83848IVV； 6. 串行通信接口 预留出1个RS232用的UART； 预留出1个RS485用的UART，另外还要预留1个管脚用来RS485的方向控制； 7. USB接口 预留出1个USB接口用来外接USB设备； 8. 旋转编码器接口 使用2个外部中断口来接增量型旋转编码器； 9. 蜂鸣器接口 使用一个PWM输出来控制蜂鸣器； 10. GPIO接口 至少预留出32个GPIO口用于外部设备的控制，如键盘输入，指示灯输出，三态安全开关输入，三档选择开关输入等； 基本驱动需求 1. 旋转编码器输入驱动 旋钮编码器驱动要求能判断编码器旋转方向，目前这两个GPIO口不给上层读取, 直接由驱动发送按键值，就是加入LINUX的输入事件，正向旋转发送键值59，反向旋转发送键值60，从event0读取。 2. RS485驱动 RS485需要1个方向控制脚，当向对应的UART发送接收数据时，方向脚能自动实现方向控制。 3. 蜂鸣器驱动 蜂鸣器驱动要求能设置PWM输出的频率，输出的时间，输出时间到了自动关闭PWM输出。 4. 薄膜按键驱动和USB键盘驱动 预留24个GPIO作为薄膜按键的输入，目前的驱动是作为GPIO口来读取的；最好也缴...
多轴运动控制卡； 支持三轴以上插补； 支持S插补； PCI与USB接口，最好两种都有； 16路开关量输入输出，可以软件设置开关量的极性，带光耦隔离； 带有+5V电源输出； 支持X轴、Y轴、Z轴的硬限位，软限位； Y轴可以设置为旋转轴； 支持伺服与步进； 支持手轮； 最好有轨迹显示控件和G代码解析控件； 使用单片机开发(C 开发)； 要提供能够生产的所有资料和软件工具； 生产成本尽可能低； 提供全部源代码，并且有详细注释； 最好有成熟的开发方案，有样品可以测试；
多轴运动控制卡； 支持三轴以上插补； 支持S插补； PCI与USB接口，最好两种都有； 16路开关量输入输出，可以软件设置开关量的极性，带光耦隔离； 带有+5V电源输出； 支持X轴、Y轴、Z轴的硬限位，软限位； Y轴可以设置为旋转轴； 支持伺服与步进； 支持手轮； 最好有轨迹显示控件和G代码解析控件； 使用单片机开发(C 开发)； 要提供能够生产的所有资料和软件工具； 生产成本尽可能低； 提供全部源代码，并且有详细注释； 最好有成熟的开发方案，有样品可以测试；
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I need an expert to design and program an integrated circuit (IC) for a consumer electronic device, specifically focused on power management. Ideal candidates for this project should have: - Expertise in IC design and programming - Experience working with consumer electronics - Proven track record in power management IC design
I'm engaged in Research and Development and need a professional to help me measure the internal resistance of Li-ion battery cells. Your expertise in this area will help me understand the performance characteristics of these batteries, which is critical for my project. The ideal freelancer for this job should have: - Previous experience with Li-ion battery analysis - Knowledge of internal resistance measurement techniques - Ability to deliver high-quality, precise measurements I need summary of the existing research and future topics and new ideas in this.
¡Hola! En Ariza Racing Circuit, somos más que un circuito de karting. Somos un espacio donde la pasión por la velocidad, la emoción y la adrenalina se combinan con experiencias inolvidables para nuestros clientes. Nuestro objetivo es llevar nuestra presencia digital al siguiente nivel y estamos buscando a un Estratega de Marketing, Ventas y Gestión Digital que quiera crecer con nosotros y formar parte de nuestro equipo a largo plazo. Este puesto NO es solo para alguien que publique en redes sociales, sino para una persona que diseñe estrategias digitales y comerciales para mejorar ventas, optimizar procesos y aumentar la conversión. Buscamos a alguien apasionado, comprometido y creativo, que pueda tomar la iniciativa y trabajar de ma...
We are developing an AI-powered in-vehicle device that requires expertise in hardware development, computer vision, and embedded systems. The ideal candidate will have experience in: ✅ Hardware: Camera modules, display panels, circuit board design, power management ✅ Software: AI image recognition, real-time processing, embedded systems programming ✅ Integration: Combining hardware & software for seamless real-time performance Project Scope: -Assist in developing a working prototype -Recommend and source appropriate hardware components -Build AI-driven software for real-time data processing -Ensure smooth integration of hardware and software -Optimize for low latency, high accuracy, and real-time performance Preferred Skills: -Experience with computer vision (OpenCV, Tenso...
...network: 45 to 55 volts - Efficiency > 90 % - Lighter than 3 kg - Smaller than 300 x 300 x 150 mm c) General minimum requirements - Designed for 300 days of use per year and 12 hours of use per day. - Communication and discussion with the client as to why something is not smaller, lighter, better - Telephone contact and exchange - A visit to the Hamburg/Lübeck/Kiel region in northern Germany - Circuit diagram - Parts list and component order list - All the files in common formats for production - Estimated price - Functional prototype without housing (we can manufacture housing) - Drawing or sketch for housing - You need a business address - We conclude a contract 2. Desired requirements a) Desired requirements for voltage converters 1 - As portable as a crate of beer (20...
...ensuring a compliant final product. Need someone experienced in prototyping and designing, spl related to medical device.. Need to build a reproduce-able mvp in med tech category, we have initial unrefined version. Need to sign nda before sharing any in depth details. Key Features: - Low Power Consumption: The device will be used in various settings and the PCB should be designed to optimize battery life. - Wireless Connectivity: The PCB needs to facilitate reliable wireless connections for data transmission. - High Processing Power: The device will require substantial processing capabilities to monitor and respond to vital signs in real time. Ideal Skills: - Extensive experience in IoT hardware design - Prototyping and testing expertise - Familiarity with current IoT hardw...
I'm in need of a modern logo for a workshop. The logo should incorporate themes of circuit hardware and cybersecurity, reflecting the focus of the workshop. The workshop name is: PHISIC – a Hardware Security workshop
I'm in need of a modern logo for my workshop. The logo should incorporate themes of circuit hardware and cybersecurity, reflecting the focus of the workshop. The workshop name is: PHISIC – a Hardware Security workshop
I'm seeking a skilled engineer to develop a data logger device for electric vehicle powertrain. The device should be capable of capturing data from a smart Battery Management System (BMS) and the motor controller. Key Requirements: - The device can be based on either ESP or Arduino platforms. - It should communicate data through both cable and Bluetooth. - A web interface should be used to display key parameters such as voltage, current, and others, along with alerts and notifications. - The communication protocol should be CAN based - Windows Based Software which can be installed on any PC - Data logging can be done in two ways :Automatic (after every 10Sec) or at the press of a button - Data can be saved in excel format - These readings can. be saved by the name of the St...
I need an expert in circuit design and programming for the ESP32. The project involves creating a circuit with more than 8 channels capable of outputting both DC and AC power. Key parameters - Layers - 2 layers PCB - dimension - less than 100mm x 100mm Key design deliverable - Schematic Design - Component selection to support schematic (Parts must be available in JLCPCB Stock-onhand) - PCB design - Component placements - gerber File - Simulation (This is a must and non-negotiable) Key Requirements: Input Below are the only two type of input this board will receive. If both are connected AC will take the priority. - Single AC input (210-230V) screw in - or DC 24-48V Screw in / Dupont Connector (female) / USB connector Output Board should power E...
I'm looking for a professional with solid experience in SolidWorks to create a 3D design for a 7.5kW Type-2 portable AC charger for commercial use. The design must encapsulate a sleek, compact, high-tech end and an aesthetically pleasing futuristic look. It's crucial that the design is not only visually appealing but also modular and compact. Key Requirements: - The design needs to incorporate a cable management system, and LED indicators, emergency stop. - The overall look should be a perfect blend of modularity, aesthetic appeal, and compactness. - A bright color scheme is preferred, so a designer with a good eye for vibrant and engaging designs would be ideal. - The design must encapsulate a sleek, compact, high-tech end and an aesthetically pleasing futuristic look is...
I am seeking an Electrical Engineer to approve and stamp a simple design for a battery/inverter feed into a critical loads electrical sub panel. This design is similar to those commonly used with generators. I have a schematic drawing available for reference. It is a residential application. Schematic attached. Note - error on dwg, the 60 amp breaker at upper left should be connected with 6ga wire, not the 10 ga as shown. Key requirements: - The primary purpose of this design is to provide backup power. - The engineer's approval must ensure compliance with utility company standards. Ideal candidates for this project should have: - A valid Electrical Engineer's stamp. Must be currently valid for South Carolina. - Prior experience with designs aimed at providing backu...
I'm in need of a medium-sized (4 to 6 square inches) circuit board for prototyping purposes. The board will need to accommodate mixed signal components, so experience with these types of components is crucial. Your expertise in consumer electronics and industrial applications will be a plus, as I aim to create a versatile board that can cater to both fields. The ideal candidate will have a solid background in circuit board design and prototyping, with a keen understanding of both analog and digital components.
...ready-made NB-IoT button designed to send data to an IoT platform (Thingsboard). The device will primarily be used by elderly individuals, so reliability and simplicity are essential. Here are the key requirements: • Technology: NB-IoT for data transmission • Battery life: 5-10 years under low power consumption • Design: Pre-assembled, user-friendly button • Use case: Minimal interaction, designed for emergencies or status reporting • Environment: Indoor/outdoor capability would be a bonus Please provide details on available products, battery specifications, and pricing, including minimum order quantities. Any customization options and estimated lead time would also be appreciated. Everything should be produced at a very, very low cost. Thank yo...
I need a 3D-printed enclosure ...creative, considering the wiring layout while ensuring that all three components (IMU sensor, Huzzah32, and battery) remain securely fixed inside. Precision is crucial, as I have specific dimensions for the enclosure. Include ventilation holes for heat dissipation. Ensure efficient space management to accommodate a 3.7V battery. Here is the text extracted from the image: Name Dimensions Adafruit HUZZAH32 – ESP32 Feather Board 51.0mm x 22.7mm x 7.3mm / 2.0" x 0.9" x 0.3" Adafruit TDK InvenSense ICM-20948 25.7mm x 17.7mm x 4.6mm / 1.0" x 0.7" x 0.2" 2000mAh 3.7V LiPo Battery ...
I'm in need of an experienced electronics designer who can take a simple diagram/circuit consisting of 10 components (mainly resistors and capacitors) and translate it into a schematic suitable for placement on a breadboard. Key Requirements: - Ability to interpret a circuit diagram accurately - Proficiency in creating clear, easy-to-follow schematics - Experience with breadboard design The schematic doesn't need to be hand-drawn or software-generated, but it should be clear enough for practical use. There's no need for annotations or notes on the schematic. Your final product should enable me to successfully set up the circuit on a breadboard.
We are seeking an expert to develop...trigger vibrations in one or more motors via Bluetooth interface corresponding to the sensors which are measuring pressure below threshold values & stop vibration when pressure comes within threshold value - Programming in C/C++ & deployment of same in ESP32 microprocessor for continuous monitoring of input pressure & triggering or stopping vibration immediately - Optimize the design for long battery life to ensure continuous usage without frequent charging. Ideal Skills and Experience: - Proficiency in working with ESP32 or similar microprocessor - Extensive experience in C/C++ programming - Knowledge and experience with Piezoelectric sensors - Previous work on similar projects would be a plus The system should be designed to be...
...crashes or unexp ected behaviors. Resolve UI/UX inconsistencies across different devices and screen sizes. Fix issues related to navigation, responsiveness, and animations. Debug and correct any incorrect calculations or logic errors in the app. Performance Optimization: Improve app load time and responsiveness. Optimize API calls to reduce lag and ensure smooth data fetching. Enhance the app’s battery and memory efficiency. Feature Enhancements: Improve the existing UI to make it more intuitive and user-friendly. Ensure smooth transitions and animations where applicable. Implement any necessary backend adjustments to improve app functionality. Add any minor features that enhance the user experience. Testing & Deployment: Conduct thorough testing on both Android and ...
I need an experienced professional to design and program an integrated circuit (IC) for a consumer electronic device. The primary function of this IC will be power management. Ideal candidates for this project should have: - Expertise in IC design and programming - Experience working with consumer electronics - Proven track record in power management IC design Please note, specific power requirements have not been defined yet. Therefore, flexibility and adaptability will be key in this role.
...seeking an expert in numerical simulation and circuit design for Tunneling Field-Effect Transistors (TFETs). Key Requirements: - Develop a comprehensive compact model for TFET capacitance that includes parasitic, inversion, and gate-drain capacitances (Cgd). - This model should be calibrated with Computer-Aided Design (CAD) data to enhance its accuracy. - Investigate the influence of drain design and gate length on gate–drain capacitance (Cgd). - Propose and explore strategies to minimize switching delays in TFET-based circuits. Ideal Skills: - Profound knowledge and experience in TFETs vs MOSFETs gate capacitance partitioning. - Proficiency in model development and numerical simulations. - Familiarity with CAD data and its application in circuit design. - Innovat...
Collecting information about electric vehicles [1. Background] This technology is related to electric vehicles. The aim of this technology is to make it possible to use large amounts of power when necessary while taking into account battery degradation. As a result, the battery can be used more appropriately. [2. Technologies to look for] This technology increases the maximum discharge power of a mobile battery when a specific event occurs compared to when the event does not occur. [3. Reference information] A specific event is, for example, a disaster. <<NOTICE>> The target car brands in this search are limited to US, European, Chinese, and South Korean brands. <Requirements for Payment> ★Clearly indicate the URL of the website or YouTube site a...
I'm looking for a dedicated professional to conduct comprehensive research for my company, Ion Systems Ltd. The primary focus of this role will be conducting feasibility studies and market analysis to inform our product development strategy. The ideal candidate for this project should have: - Strong research skills - Experience in technology feasibility assessments - Proficiency in market analysis - Ability to present findings in a clear and concise manner If you've previously worked in a tech-centric environment and have a knack for identifying market trends and technology capabilities, you would be a great fit for this project.
I'm seeking a skilled professional to assist with integrating a micro needle patch with PCBs and biosensors. This project primarily focuses on medical diagnostics. Key Requirements: - Expertise in PCB design and integration - Experience working with biosensors - Proficient in developing systems for data transmission to cloud storage The objective is to create a system where the data colle...data transmission. The system should ensure high accuracy for the biosensor readings. The system should use Bluetooth for data transmission. The primary use case for the diagnostic system is glucose monitoring. The micro needle patch should be small and discreet. Regular updates and close collaboration are expected throughout the project. The micro needle patch will be powered by a rechargeable ...
...Wi-Fi is crucial. - Off-grid Capability: This inverter must be able to support off-grid living, ensuring power availability even when the grid goes down. - Battery Storage Compatibility: The inverter should be compatible with battery storage systems, allowing for energy to be stored for later use. Ideal skills and experience for the job include: - Extensive knowledge and experience with hybrid inverters, particularly for residential solar power systems. - Familiarity with Wi-Fi monitoring systems and their integration with hybrid inverters. - Proven experience in creating or working with off-grid capable systems. - Background in battery storage compatibility with hybrid inverters. Your expertise in these areas will be vital to the success of this project. Looking...
I'm seeking a skilled professional with extensive experience in designing mechanical components and circuit boards using Autocad. The primary focus will be on creating hardware for consumer electronics. Ideal Skills: - Expertise in Autocad for designing mechanical components - Proficient in designing circuit boards - Experience in creating hardware for consumer electronics - Knowledge of consumer electronics trends and requirements - Strong understanding of mechanical components
I'm Kunal from Nepal,...Proficient in Android development - Experienced in creating utility/tool apps - Ability to provide guidance and insights on project progression - Ability to optimize app performance for better speed and efficiency Your expertise can significantly influence the success of this project. Looking forward to your proposals. The project should be completed within 2-3 months. The app should include battery optimization tools. The app should include a file manager feature. The app should have a dark theme design. The app should adopt a minimalistic design for a clean user interface. The app should be designed to cater to general users. The app should incorporate strong privacy features. The app should include app lock functionality. The app should support mult...
...ASIC for a programmable voltage source. - Implement features for voltage range adjustment and voltage monitoring. -current monitoring -bipolar Ideal Skills: - Extensive experience in ASIC design. - Knowledge of signal processing. - Familiarity with designing for voltage source applications. Please provide relevant examples of past work when bidding. The ASIC should support a voltage range of 0-5V. The ASIC should support an output current range of 0-1A. The ASIC must ensure high precision for voltage and current outputs. The preferred technology node for this design is 65nm. The ASIC should include an I2C interface for communication. The ASIC should include overcurrent protection. The ASIC must be designed for use in consumer electronics environments. The ASIC should operate r...
I'm seeking an expert in circuit board design for a radio intended for industrial equipment. The circuit board should incorporate wireless connectivity and sensor integration. Key Requirements: - Design a circuit board tailored for industrial-grade radio - Incorporate wireless connectivity - Integrate sensors into the design Ideal Skills and Experience: - Proven experience in circuit board design, particularly for industrial applications - Strong background in wireless connectivity and sensor integration - Ability to deliver a robust and reliable design suitable for industrial use
...training covering basic to advanced levels. The trainer should have deep expertise in Keysight ADS software and be able to guide learners through RF/microwave circuit design, simulation, and analysis. Requirements: ✔️ Strong expertise in Keysight Advanced Design System (ADS) ✔️ Ability to train from beginner to advanced levels ✔️ Hands-on training with practical examples and real-world applications ✔️ Experience in RF/microwave circuit design, PCB layout, EM simulation, and system analysis ✔️ Strong communication and teaching skills Training Scope: ✅ Introduction to ADS & UI navigation ✅ Schematic design & simulation ✅ Linear & Nonlinear circuit simulation ✅ Harmonic balance & transient analysis ✅ EM simulation (Momentum & FEM techniques) ✅ RF ...
Response Management Page Note app to interact with admin real time) Create a page called Response Management with the following features: 1. Battery Level Indicator Display the battery percentage of devices. Highlight devices with low battery levels in red (e.g., below 10 20% 50). 2. Off/Duty Status Show the current status of each device: Red for "Off Duty." Green for "On Duty." 3. Movement Indicator Track and display the device's movement status: In Motion (active movement). Stopped (stationary). 4. User Feedback (UserFBK) Display whether the user has Accepted or Declined feedback requests. 5. Police Post Location Add a "Track" button to locate police posts on a map. 6. View Report Include a "View Report" button to access ...
I'm seeking a skilled programmer to write an Arduino code for a BQ25887 Charger 5 click USB charging IC board. The code should manage the initiation of charging for two Lion batteries, ensure cell balancing, and support 5V 3A charging from any standard adapter. I am using a MIKROE Balancer 5 click. () The following features are required: 1. *Charging Control Setup:* - Configure I2C communication with the BQ25887 IC and set parameters for automatic charging initiation. - Define maximum voltage (4.2V per cell) and current (1A per cell) limits. 2. *Temperature-Based Charging Adjustment:* - Monitor the temperature using the NTC pin and adjust the charge current accordingly. - Implement safe temperature thresholds to reduce or
...with experience in configuring Raspberry Pi as an IoT device. The specific task is to set up the device to connect to an RTL-SDR dongle, a Cellular modem to allow internet access through a sim card, and be battery powered. Key Responsibilities: - Configure the Raspberry Pi to function as an IoT device linking to an RTL-SDR system - Implement real-time frequency scanning capabilities Ideal Skills: - Experience with Raspberry Pi configuration - Familiarity with IoT systems - Knowledge of RTL-SDR systems - Skills in enabling real-time frequency scanning The device would need to have battery capacity of at least 5 days (hopefully 10 days), and turn on once a day to run a program to scan for a specific VHF signal using an SDR software and RTL-SDR dongle connected to the ant...
...including websites, books, academic papers, forums, and real-world applications. Areas of learning must include (but are not limited to): Hacking & Cybersecurity: Ethical hacking, penetration testing, security exploits, encryption, and counter-attacks. Programming & Development: Python, Perl, .NET, C, C++, C#, Java, PHP, JavaScript, and more. Electronics & Hardware Engineering: IoT, embedded systems, circuit design, and hardware hacking. Science & Technology: AI research, quantum computing, biotechnology, robotics, and space technology. History & Intelligence: Historical analysis, military strategies, geopolitics, and intelligence operations. Online Business & Finance: Passive income strategies, gambling algorithms, high-risk investments, cryptocurrency t...
I need a skilled electrician in Las Vegas who can help turn my bicycle into a Bluetooth ...My goal is to have this project completed in 2 weeks. Key requirements: - Expertise in Bluetooth technology, battery and charging systems, and audio systems and speakers is crucial. - The bicycle should have a seamless Bluetooth connection, and not just be able to play music, but also control volume and switch songs via handlebar buttons. - The project should also include a system that keeps the speaker charged and working, while also charging my phone during the ride. - All components must be weatherproof and resistant to extreme temperature changes. Please, only serious replies from professionals residing in Las Vegas. Include additional feature: A self-rechargeable battery built ...
...Design and develop a cross-platform application. - Implement robust and efficient file sharing capabilities between connected devices. Ideal Skills: - Proficiency in iOS and Android app development. - Previous experience with file sharing applications. - Strong understanding of cross-platform development. - Excellent UI/UX design skills to ensure a user-friendly interface. - Skills in optimizing battery usage to ensure the app runs efficiently without draining device power. - Knowledge of various connectivity protocols like Wi-Fi Direct, Bluetooth, and NFC. - Expertise in app security to protect data integrity and privacy. - Robust error handling skills to manage failed transfers gracefully. Please include examples of similar projects you've completed in your bid. The ap...
A transformer is required which transforms from 1000 V DC down to 48 V DC. Minimum requirements - Transfor...- Transform 1000 V DC to 48 V DC. - 7 kW output in the 48 V DC network (approx. 146 amps) - Fluctuations in the 48 V DC network: 45 to 55 volts - Designed for 300 days of use per year and 12 hours of use per day. - Efficiency > 90 % - Lighter 3 kg - Smaller than 300 x 300 x 150 mm - Communication and discussion with the client as to why something smaller, lighter and better is not possible - Circuit diagram - Parts list and component order list - Estimated price Desired requirements - Efficiency > 97 % - Fluctuations in the 48 V DC grid: 47 to 51 volts - Lighter than 2 kg - Smaller than 180 x 180 x 100 mm - XT90 plug connection - 10 kW output in the 48 V DC grid (a...
...infrared sensors. - Experienced with PTZ camera integration. - Knowledgeable in various network protocols, specifically MQTT. - Familiar with machine learning models for pattern recognition. - Skilled in drone programming and control. Please note, I will need recommendations for the infrared motion sensors and PTZ camera. The system will operate in an outdoor environment. The system should be battery-powered for outdoor use. The system should be capable of functioning in moderate weather conditions. The infrared sensors should have a short detection range, up to 10 meters. The PTZ camera should be able to move between preset positions based on detected motion. The system should ensure a few seconds delay between motion detection and drone takeoff. The system should be fully au...
I'm in need of a seasoned RTL design engineer who can help me develop a new digital circuit, specifically an ASIC. Your expertise will be pivotal in the engineering of this small lab project. Key Responsibilities: - Design and create a new digital circuit at the RTL level. - Implement and optimize this design for an ASIC. - Ensure the design meets specified requirements and constraints. Ideal Skills and Experience: - Proficient in digital circuit design, specifically for ASICs. - Extensive experience with RTL design. - Strong problem-solving skills to overcome design challenges. - Ability to work collaboratively on a small lab project.
Client requires a comprehensive CAD design in a 3d printable format. the design will be an enclosure for an Adafruit feather M0 with a rechargeable battery and a few other conponents. the design should be approx 60mm x 60mm x 60mm
...Reduction Impact of drain doping profile and gate length (Lg) on capacitance values. Techniques to minimize Miller capacitance (Cgd) for faster switching. --- Expected Performance Goals: Accurate capacitance model for TFETs validated against TCAD simulations. Reduction in parasitic capacitances (Cgd, Cgs) for improved switching speed. Optimization of drain doping and gate length to enhance circuit performance. --- Scope of Work: 1. TCAD-based Simulations: Extract capacitance components and analyze their behavior. Implement parasitic and inversion capacitance models. 2. Model Development & Calibration: Build a compact analytical model for TFET capacitance. Validate the model using simulation and experimental data. 3. Performance Optimization & Rep...
... The microcontroller must be compatible with the piezoelectric sensor and capable of handling the data conversion process. Sensor The device will be equipped with a piezoelectric sensor, tailored for depth measurements beyond 50 m. Power Supply The device should have a stable power source suitable for operation in underwater or remote environments (e.g., battery power or a regulated power supply). Connectivity A communication interface based on RX/TX lines, supported by an FTDI chip, enabling data transmission to the host system. Software Requirements ADC Driver The software must include routines for configuring and reading data from the microcontroller's ADC (e.g., STM32H). Communication Driver...
...achieve higher ON-current (ION) and lower subthreshold swing (SS), making it suitable for ultra-low power applications like IoT and wearables. --- Key Areas of Optimization: 1. Gate-to-Source Overlap (Lsov): Increasing Lsov enhances vertical tunneling, leading to a higher ON-current (ION). 2. Tunnel Layer Thickness (Tt): Optimizing Tt is crucial to balance tunneling efficiency and electric field strength. 3. Doping Concentration in Tunnel Layer: Selective N++ doping enhances vertical tunneling while suppressing unwanted leakage. 4. Ferroelectric (FE) Layer Properties: Adjusting thickness (Tfe) and coercive field (Ec) improves the negative capacitance effect, reducing subthreshold swing (SS) and boosting performance. --- Expected Performance Goals: ...
I am currently pursuing a PhD in Electrical Engineering with a focus on automotive engineering, specifically on C-V2X (Cellular Vehicle-to-Everything). I am seeking a freelancer who can assist me with various aspects of my research. Ideal s...focus on automotive engineering, specifically on C-V2X (Cellular Vehicle-to-Everything). I am seeking a freelancer who can assist me with various aspects of my research. Ideal skills and experience for the job: - Extensive knowledge and experience in Electrical Engineering, particularly in automotive engineering. - Proficient in understanding and researching C-V2X technology. - Experience with circuit design and simulation, power systems analysis, and signal processing. - Strong analytical skills and ability to work with complex engineering...
