...实现电源管理模块，设计低功耗电路（锂电池供电）。 设计阻抗检测与反馈模块，确保电流强度根据皮肤阻抗自动调整。 提供电路的安全保护功能（如过流、短路保护）。 打样电路板并进行初步测试，确保电路功能正常。 技术要求： 经验丰富的电子电路设计背景，熟悉低频电刺激器的电路设计（TENS或类似设备经验尤佳）。 熟练掌握微控制器（如STM32、ESP32）和DAC控制信号生成。 有PCB设计经验，能独立完成从原理图设计到打样测试的全流程。 熟悉电流放大、阻抗检测及反馈回路的设计与应用。 能够使用仿真软件（如PSpice、LTSpice）进行电路仿真验证。 2. 外观设计师： 职责： 设计一款适合佩戴在脖子上的设备外观，确保舒适性和稳定性。 根据人体工程学设计电极与颈部的贴合部位，确保设备电极能够精确贴合迷走神经位置。 提供初步3D模型或草图，展示设备外观和电极位置的布局。 设计设备外壳的防水防汗功能（IPX4或更高标准）。 考虑设备的便携性、用户友好性及时尚美观性，适合日常佩戴。 技术要求： 具备可穿戴设备设计经验，了解人体工程学及佩戴舒适性设计要求。 熟练使用3D建模软件（如SolidWorks、AutoCAD、Fusion 360等）。 能够提供从概念到最终产品的完整设计方案。 有过医疗设备、电子产品设计经验者优先。 其他要求： 工程师和设计师将需要紧密协作，确保设备的内部电子元件和外观设计能相互适应。 项目需要在规定的时间内按时交付原理图、PCB打样和初步设计草图。 欢迎有相关领域经验的个人或团队投标。 项目预算： 预算面议，视经验和能力而定。 项目时间： 预计设计和打样时间为4-6周。 联系方式： 如果你有兴趣参与这个项目，请提供相关的工作经验、成功案例以及预期的工作时间和预算要求。
我有路由器上下壳需要设计： 1.尺寸是250X160X50mm; 2.接口包括5个以太网口，3个USB A type,一个DC插座，一个复位按钮； 3.顶部中央有圆形LED指示，直径50mm； 4.带两个扬声器，开口朝下； 内部PCB 参考附件。 要求： 设计简洁有几何艺术感，文件格式SKP
CAM 350 相关版本工程专业 ***************************** panelized 专业小时 界面GPIO或 FPC链接布线 双面混六层 没有太多责任高求 快速完成~付款‘套餐’ 写个脚本 价钱另议
有4款PCB需要重新设计（修改），尺寸和厚度及工艺不变，现有线路图中有2个圆圈的意思是2个圈之间放反光杯，灯珠排列不能超出内圈范围
...智能不是庞大的功能 智能不是复杂的操作 智能就是让生活更简单 革命性的三段延时关闭功能，以简短的操作，满足您的各种需求 多种控制方式，适应您所忽略的生活习惯 轻按打开，长按打开，全按打开，多种控制方式 独家专利智能手势识别，防误操作 独家同状态双控设计，让您的生活更简单 独家双控设计 典雅的呼吸灯设计，渐亮渐暗间，仿佛智能有了生命，为您的家装画龙点睛。 优质的用户体验需要强大的硬件支撑。 开关面板、触控面板、防静电保护板、电子芯片组、PC阻燃底座 基于3毫米加厚钢化玻璃材质，弧线凹槽精致研磨，打造最舒适的触摸感受，轻松实现盲操作。 兼具防水功能，使您的家人更安全。 3毫米加厚钢化玻璃材质 曲面弧线凹槽精致研磨 兼具防水功能，使您的家人更安全。 超标不计成本大尺寸触控原件，实现多方式精准操作 强弱电隔离，信号无损传达，正真做到“芯”领神会。 进口KB-A级双层PCB电路板； 30ms之内触摸响应速度， 进口触摸芯片Atmel 固体钽电容； 专业星型防干扰布线设计 德国拜耳进口PC材质 最高阻燃等级V0 配音/欧盟CE标准为您的安全加分。 几十次的试模，只为确定最合适的宽度 几十次的打样，只为做出最完美的弧度 几十次的手板，只为确定最佳的边缘倒角 几十次的样品，只为确定最均匀的导光板制作方案 每一次零点几毫米的改进，都是工程师们对细节的极致追求 寓智能于简单，隐科技于无形，究品味于细节 润泽细腻的圆角设计、时尚倒角设计、适合人体工程学，弧线凹槽 COOLTOUCH充分考虑到了不同的装修风格，精心设计了几种不同款式，提供丰富的个性化选择，智能与艺术的结...
I'm in need of a skilled designer who can craft an aluminium-based LED MCPCB tailored for decorative lighting. Key Requirements: - Design should be suitabl...aluminium-based LED MCPCB tailored for decorative lighting. Key Requirements: - Design should be suitable for 24v DC power rating - Understanding of decorative lighting specifications - integrated DMX512 protocol - Proficiency in designing aluminium-based MCPCBs - Experience with low to medium power applications preferred Ideal Skills: - Strong background in PCB design - Familiarity with LED technology - Prior experience in designing for the decorative lighting sector The successful candidate will be able to deliver a design that is both functional and aesthetically pleasing, meeting the needs of the ...
...device and how the prototype was created and you’ll be required to plan and design/improvise it, create schematics for pcb components bom etc which are available/accessible on common/popular platforms for fabrication and assembly. You’ll also be required to check and fix any issues on the designed unit 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. Ideal Skills: - Extensive experience in IoT hardware design - Prototyping and testing expertise - Familiarity with current IoT hardware components -End to ...
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 desi...
Develop custom firmware for STM32 to interface with 4 EM4095 RFID modules and main board. Optimize PCB layout and antenna design to improve power efficiency and RFID range. Implement error handling, data filtering, and power management features. Provide source code, schematics, and performance validation.
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.
I am seeking a skilled scientific illustrator to create a schematic-style representation of a physical phenomenon. This illustration is intended for a research publication, so it is crucial that the artwork is both precise and visually appealing. Key Requirements: - Expertise in creating schematic illustrations. - Understanding of physical phenomena. - Experience in producing illustrations for research publications. Your ability to convey complex scientific concepts in a clear and engaging manner will be key to the success of this project. Previous work in scientific illustration is a plus. Please provide a portfolio of relevant illustrations with your bid.
I'm looking for an experienced PCB designer to help design a multi-layer PCB for a consumer electronics device. Key Requirements: - Design a multi-layer PCB that is compact and efficient, suitable for consumer electronics. - Ensure the PCB includes effective power management features. - Experience in designing PCBs for consumer electronics is a plus. - High attention to detail and ability to meet deadlines is crucial.
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 collected by the biosensors is seamlessly sent to a cloud storage for further analysis. Please reach out if you have the relevant skills and experience. The project is currently in the conceptual stage. The project is expected to be completed in less than 3 months. The system should utilize wireless methods for data transmission. The system should ensure high a...
...desarrollo de un instrumento electrónico MIDI de 75 teclas. El trabajo que tiene que hacer es proponer un procesador (Arduino, raspberri, etc ) , determinar las conexionas al pcb con la matriz del teclado, programarlo para que lea las teclas y un par de sensores mas y hacer que envie una señal MIDI al reproductor de sonido. Debe tener conocimientos en programación y electrónica. Actualmente, el proyecto está dividido en tres partes: teclado, procesador y reproductor de audio. El teclado cuenta con una disposición particular en matriz de 9x8 con diodos y debe permitir la lectura simultánea de hasta 8 teclas. El diseño del PCB está realizado, pero falta definir el procesador ideal para optimizar su funcionamien...
...60% complete. I need a programmer to complete the code, fix the errors and ensure the module works as intended. The code is for 3 different applications: 1) Line follower 2) RC Bluetooth Control Key Aspects of the Job: - Error Fixing: The majority of the work will revolve around diagnosing and fixing issues in the existing code. - Code Completion: You'll need to finish the remaining segments of code. - Schematic Reference: I have schematics of the module I've designed for your reference,will be provided via chat. The code needs to interface with several hardware components, including: - Infrared Sensors - Ultrasonic Sensors - Motors and Drivers -Bluetooth control from mobile phone. More projects will be provided to the freelancer this is...
... The watch is designed to pick up Google Maps coordinates and send them to a server. I have made some progress on this project and need assistance with the next steps. Current Development: I have created the PCB design using DipTrace, but it currently lacks an antenna that supports GSM and GPS functionality. The components I have used include the A9G chip for GSM/GPS functions and the STM32 chip for the main processing tasks. Requirements: - Design and integrate an embedded PCB antenna onto the smartwatch PCB. - Improve the PCB design for better signal integrity, functionality, and performance. Ideal Skills and Experience: - Proficient with DipTrace and PCB design. - Experience with designing embedded antennas. - Strong understanding...
Description: We are seeking an experienced ADS (Advanced Design System) Trainer to provide structured 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 ✅ Linea...
I'm looking for a professional with extensive experience in designing new PCBs. The ideal candidate should have: - Proven experience in PCB design - Proficiency in PCB design software - Knowledge of electronic components - Ability to work with minimal supervision - Excellent problem-solving skills Please note that the application of the PCB and its complexity are yet to be determined, so flexibility and a broad skill set would be a significant advantage.
...professional to re-design a simple small PCB for a prototype toy product. I previously posted this project on Freelancer and the awarded freelancer failed to produce a working design, over complicated it and cost me a lot of money to produce something that did not work. IMPORTANT - the project milestone payment will only be released AFTER a prototype is produced by JLCPCB and confirmed the be working. Therefore please factor this into your project timeline. About the Project: A low-profile USB 2 Type A memory stick is being incorporated into a prototype toy product. It requires a really simple small PCB consisting of: - USB-C socket connector - USB 2 Type A connector - 6 pin edge connector The low-profile memory still will connect to the ...
I'm looking for a PCB designer who can take my schematic diagram and convert it into a Gerber file. The project is focused on a small, mixed-signal consumer electronics PCB, and the final product will need to fit within a size of less than 10cm x 10cm. Ideal Skills and Experience: - Proficiency in PCB design software - Experience with mixed-signal components - Prior work in designing PCBs for consumer electronics - Ability to generate Gerber files from schematic diagrams - Understanding of small form factor design constraints
Hola, Estamos buscando un ingeniero de RF que nos ayude a verificar y validar nuestro circuito antes de convertirlo al formato Gerber para la fabricación de la PCB. Nuestro diseño está hecho en AWR Microwave Studio, por lo que necesitamos a alguien con experiencia en este software. El circuito opera a 2.4 GHz, realiza adaptación de impedancia y filtrado de armónicos, y finalmente alimenta un LED. Ya hemos configurado la activación del LED, pero necesitamos un experto que revise el diseño, asegure que todo funcione correctamente y nos ayude a convertirlo al formato Gerber dentro de AWR. Si tienes experiencia con AWR Microwave Studio, validación de circuitos de RF y conversión a Gerber, ¡nos encantaría sabe...
I'm looking for an experienced PCB designer to create a PCB for an ATmega328 microcontroller. This project is aimed at prototyping, so the design should be robust and reliable. Key Requirements: - Incorporation of Power Regulation Circuitry: The PCB should have an efficient power regulation system to ensure stable operation of the microcontroller and connected components. - Inclusion of Input/Output Headers: The design should feature multiple I/O headers to facilitate easy connection to various peripherals during the prototyping phase. Ideal Skills: - Proficiency in PCB design software (e.g., Altium Designer, Eagle, KiCad). - Strong understanding of microcontroller circuitry, particularly with ATmega328. - Experience in ...
Hi, We are Remicorp SRL, and we are developing an innovative system for livestock monitoring and tracking using LoRaWAN technology. We have a clear idea and defined requirements for the product, but we need support with the prototype design in Cadence. W...we are developing an innovative system for livestock monitoring and tracking using LoRaWAN technology. We have a clear idea and defined requirements for the product, but we need support with the prototype design in Cadence. We are looking for someone with experience in PCB design, LoRaWAN hardware integration, and low-power optimization to help us bring our solution to life in a functional design. If you're interested, we’d love to schedule a call to discuss the details and explore how we can...
...Requirements: - Expertise in high-speed interface simulations, particularly DDR4, PCIe Gen6, and 25Gbps streams - Proficiency in both Allegro and Altium software - Strong focus on accuracy of signal integrity - Experience with signal integrity analysis tools like HFSS, Keysight ADS, or SIwave - Deep understanding of PCB layout techniques for high-speed digital designs - Experience in simulating and mitigating crosstalk in high-speed designs The primary goal of this project is to ensure the accuracy of signal integrity in these high-speed simulations. Please provide your experience and any relevant project samples in your bid. The expected duration for this project is less than 1 month. The simulation reports should provide a comprehensive analysis of the result...
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
Project Overview The objective of this project is to develop a device for measuring depths greater than 50 meters. The main tasks of the device are to: Acquire the signal from a piezoelectric sensor, which receives pulses reflected from the bottom or obstacles. Convert the analog signal from the sensor into a digital format using an ADC (Analog-to-Digital Converter). Transmit the digital data via an RX/TX communication interface, implemented using an FTDI chip (e.g., FT232R), to a host system (such as a computer or another microcontroller). Advanced signal analysis (e.g., distance calculation) is not required—the device is only responsible for data conversion and transmission. Functional Requirements Sensor Interface ...
I am looking for a freelancer to design a custom PCB that integrates an Arduino Nano, an L293D motor driver, and connectivity for additional components like servo motors, an ultrasonic sensor, and infrared sensors. The PCB should be compact, efficient, and optimized for easy assembly. SAMPLE layout design attached ( resistor, capacitor and voltage controllers to be added as required ) Project Requirements: Microcontroller: Arduino Nano (ATmega328P) Motor Driver: L293D (Dual H-Bridge) for controlling two DC motors Servo Motor Control: Two male header pins for connecting two servo motors Powered by 5V from the Arduino or external power Sensor Connectivity: One female header (4 pins) for an ultrasonic sensor (HC-SR04) Two male header pins for IR sensors (typical...
I require a qualified professional to design and detail full operational schematics for a 6MVA medium voltage substation. This project is for a Sub-Utility solar farm application in Australia, so familiarity with AS 2067 and Essential Energy Standards is crucial. Key components for schematic design include: - Transformer - Ring Main Unit (RMU) - Switchgear The schematics must be comprehensive, covering all aspects of the substation's operation. Space constraints: - The layout will need to accommodate limited space. Ideal candidates for this project should have extensive experience in electrical engineering, specifically with substation design. Proficiency in creating detailed, full operational schematics is necessary. A deep understanding of Australian stan...
...Verification and Gerber Conversion in AWR Microwave Studio Hello, We are looking for an RF engineer to help us verify and validate our circuit before converting it to Gerber format for PCB fabrication. Our design is built in AWR Microwave Studio, so we need someone experienced with this software. The circuit operates at 2.4 GHz, performs impedance matching and harmonic filtering, and ultimately powers an LED. We have already configured the LED activation, but we need an expert to review the design, ensure everything works as intended, and assist in converting it to Gerber format within AWR. If you have experience with AWR Microwave Studio, RF circuit validation, and Gerber conversion, we’d love to hear from you! Best regards,...
I'm in need of a professional PCB designer to create a single-layer PCB tailored for the oil and gas industry, specifically wireline. The primary focus of this job will be ensuring the design can withstand high temperature operation. We already have proven designs that work great in low temperature environments (250F-350F). I am looking for someone who can take the designs we already have and update them to withstand high temperatures (500F+) Ideal Skills and Experience: - Proven experience in PCB design, specifically single-layer PCBs. - Prior work with PCBs for the wireline industry is highly desirable. - Strong understanding of high temperature operation requirements and how to design for them. - Able to deliver designs that meet in...
...skilled hardware developer to create a specialized hardware module featuring two cameras: one Infrared (IR) camera and one RGB camera. The primary goal of this module is to enable face recognition functionalities. Requirements: Develop a hardware module that supports USB connectivity for seamless integration with Android devices. The module must utilize Android's USB Video Class (UVC) to allow live streaming and camera feed from both IR and RGB cameras. Candidates may either reverse engineer a standard camera module or design a new module from scratch to meet the project specifications. Goal: The end objective is to effectively capture live streams from both the IR and RGB cameras for face recognition applications. If you have the expertise an...
...experienced PCB designer who can design a custom PCB for me based on a provided sample PCB. Key Details: - The PCB must adhere to specific dimensions (e.g. 100mm x 50mm). - The primary function of the PCB has not been specified, so flexibility and versatility in design are key. - The PCB should be designed with potential connectors and interfaces in mind, although specific types (like USB, HDMI, Ethernet) have not been pre-determined. Ideal candidates for this project should have: - Extensive experience in PCB design, especially designing based on sample reference PCBs. - Ability to work with specific size constraints. - Creative problem-solving skills to design for an unspecified primary function. - Knowledge of v...
...experienced PCB designer who can design a custom PCB for me based on a provided sample PCB. Key Details: - The PCB must adhere to specific dimensions (e.g. 100mm x 50mm). - The primary function of the PCB has not been specified, so flexibility and versatility in design are key. - The PCB should be designed with potential connectors and interfaces in mind, although specific types (like USB, HDMI, Ethernet) have not been pre-determined. Ideal candidates for this project should have: - Extensive experience in PCB design, especially designing based on sample reference PCBs. - Ability to work with specific size constraints. - Creative problem-solving skills to design for an unspecified primary function. - Knowledge of v...
...Design 1: Compact Sensor Interface PCB This design prioritizes a compact form factor and incorporates an HLK-10M05 power supply module with integrated safety circuits, including safety capacitance and common-mode inductance. The 5V and GND outputs are routed to the load. A 2.54mm pitch is to be maintained for all pin pitches where feasible. An ESP32-S3-DevKitC will be mounted via berg strips. The board requires the following connectors: Three 4-pin I2C connectors (VCC, GND, SCL, SDA) for interfacing with DFRobot SEN0537 (), DFRobot SEN0488 (), and Sensirion SEN63C () sensors. One 2-pin connector for an external push button connected to GND and the RST pin. Three 3-pin
I'm looking for a professional who can create a 2D blueprint of a car from provided pictures. The blueprint needs to include the Front view, Side view, Top view, and Rear view. Requirements: - The blueprint should only consist of basic outlines. No need for intricate details or minor parts. - The final blueprint should be delivered in PDF format. Ideal Skills and Experience: - Proficiency in creating 2D blueprints. - Ability to work with provided images and transform them into schematic designs. - Experience in delivering projects in PDF format.
...Overcharge and Over-discharge Protection: The system should prevent battery damage due to excessive charging or discharging. - Current Balancing: Implement a mechanism to balance the current across all cells in the battery pack, ensuring uniform performance. - Temperature Monitoring: Include temperature sensors to monitor the battery's thermal condition. - Overvoltage Protection (OVP): Design the system to handle overvoltage situations. - Active Balancing: This should be integrated, allowing for real-time adjustments and optimizations. - Short-Circuit Protection: Ensure the system can safeguard against potential short-circuit scenarios. Deliverables: - Complete design including simulations, schematics and PCB layout. - A 4-6 Layer board. - Gerber...
I need to reverse engineer a LoRa watch PCB for functional replication. I have the original schematics and design files. However, I would like to make some minor improvements over the original design. Ideal skills and experience for the job include: - PCB design and modification expertise - Experience with reverse engineering - Proficiency in using design software compatible with the provided schematics - Ability to suggest and implement minor design improvements
I'm in need of a PCB design tailored for a Maixduino. This board should accommodate an RJ11 connector, capable of controlling 4 DC motors and 1 servo motor, along with connections for 3 and 4 pin sensors. These sensors will include IR, LDR, humidity and temperature sensors, and ultrasonic sensors. Key Features: - Dual power input: The PCB should be designed to be powered by both an external power supply and a battery. - Versatile sensor compatibility: It should support 3 and 4 pin sensors. - Robotics centric: The primary application of this design is for robotics. Ideal Skills and Experience: - Extensive experience in PCB design - Proficient with Maixduino specifications - Familiarity with robotics and related components - Understanding of power managemen...
I am looking for an expert in circuit simulation and PCB design. The primary purpose of the circuit is for an educational project, specifically focusing on power management. Key Requirements: - Design and simulate a circuit that manages power, suitable for medium power specifications (5V to 24V). - Create a corresponding PCB. Ideal Skills: - Proficiency in circuit simulation software. - Experience in designing PCBs for power management. - Background in creating educational electronics. The goal of this project is to create a circuit and PCB that can be used for teaching about power management, while also being functional and capable of handling medium power specifications.
I need a professional to verify the functionality of my PCB design, focusing on component interfacing. All components are already integrated; the task is to ensure they can communicate correctly and as intended. Key Responsibilities: - Verify component interfacing on PCB. - Assess signal integrity and power regulation indirectly. - Conduct tests according to industry standards. Ideal Skills and Experience: - Extensive experience with PCB design verification. - Familiarity with industry standards for PCB functionality. - Proficiency in assessing component interfacing, power regulation and signal integrity. Please note, the selected freelancer will need to strictly adhere to industry standards during the verification process....
I'm seeking a proficient engineer with skills in steel prototyping ,PCB design, GPS integration, and app development. The task involves creating two prototypes of broadheads constructed from 420 steel, known for its durability and resistance to wear. The broadheads should be designed with flight, size, and weight in mind. The application will need built and the two link together for tracking. I want you to be able to complete the entire package . Key Requirements: - Integrate GPS and LoRaWAN for long-range, high-accuracy tracking capabilities. The GPS system should ensure quick signal acquisition and boast a long battery life. - The broadheads must be able to endure the rigors of hunting while maintaining optimal flight characteristics and manageabl...
PCB Design for Hotel Do Not Disturb Panel (Capacitive Touch & LED Control) Project Description: I am looking for an experienced PCB designer to design a custom circuit board for a hotel Do Not Disturb (DND) system. The product consists of two modules: 1. Indoor Module (User Control Panel) • A touch panel with two capacitive touch buttons: • Button 1: “Do Not Disturb” (Red LED Activation) • Button 2: “Clean My Room” (Green LED Activation) • Should toggle LEDs on the outdoor module when touched. • Compact and aesthetically sleek design (preferably thin PCB). 2. Outdoor Module (Door Indicator) • Two LEDs: • Red LED (DND Mode) • Green LED (Clean My Room Mode) • Must receive signals...
...SEO content writer to create engaging and informative PCB (Printed Circuit Board) blogs and articles for my website. The ultimate goal is to increase website traffic through well-optimized, high-quality content. The ideal candidate should have strong expertise in electrical engineering, PCB knowledge and have published related articles on different websites. Kindly share your sample published articles. You will write two articles as a sample on " Top 15 PCB software" and " what are factors for PCB prices" . I need human written content, no ai, Chatgpt or copypasted content is needed. The content should be SEO optimized to rank the Website SEO, it will be reviewed by plagrsim and ai check. There is a lot of content a...
