...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 seeking a skilled PCB designer with experience in IoT devices. The task is to design a compact PCB (4x3cm or smaller) incorporating the STM32 microchip for UART, SIM800L (GSM), and NEO-6M (GPS). The design should also accommodate a buzzer, mini LEDs, and USB-C charging, with provisions for battery integration (details to be finalized). Key Tasks: - Optimize the antenna design for GSM and GPS to ensure the best performance. - Create compact and efficient layouts that can withstand the rigors of a prototype. - Transition existing code from ESP32 to STM32. Key Considerations: - The primary focus of the PCB design is compactness. The smaller the PCB, the better. - The IoT device will be powered by a rechargeable battery, so consideration fo...
Looking for a power engineer that can modify my AC to DC converter to be able to have more power than what it has right now. Must also be able to convert the Gerber to PCB and make modifications with proper simulation. Must be willing to start immediately and finish in less than 24hrs
I'm looking for an experienced software engineer to develop control software for my RGB LED project using the TLC5955 and STM32F411. I have the PCB ready, and the software needs to be written in stm32CubeIde. Key Responsibilities: - Develop software for individual control of RGB LEDs - Implement features including color changing effects, brightness control, and predefined patterns The ideal candidate for this project should have: - Extensive experience with STM32 programming - Proficiency in using stm32CubeIde - A good understanding of controlling RGB LEDs - Ability to create engaging and smooth color changing effects and brightness adjustments Please note that the software needs to allow individual control of each LED.
I'm seeking an expert in STM32 and SIMA7672S to set up a web server on the SIMA7672S with STM32, accessible via a public static IP address. The server needs to serve static files such as HTML and JSON, while also handling real-time system status updates. Key Responsibilities: - Configure the STM32 to serve static web content and handle real-time system status updates. - Enable the STM32 to process query/response data to a serial device. Skills and Experience Required: - Deep understanding of STM32 and SIMA7672S. - Proficiency in STMcubeide IDE. - Previous experience in setting up web servers on STM32 based systems. - Familiarity with AT commands and the manual of the SIMA7672S. - Ability to configure for real-time data updates. The ideal ca...
I'm in need of a proficient Embedded C programmer with extensive PCB design experience for a project focused on industrial equipment. Key Responsibilities: - Design a PCB with features for temperature sensing, motor control, water level controls, and process automation for a RO water treatment plant. - Implement necessary protections for ampere and voltage. Ideal Skills: - Expert in Embedded C programming. - Extensive experience in PCB design. - Prior work with industrial equipment PCB will be highly regarded. - Knowledge of consumer electronics and medical devices PCB design is a plus. Please note the ability to design a PCB that integrates all these features is crucial, as is the capacity to programme it using Embedded C.
I'm seeking an experienced EMV low-level firmware developer for a project involving an STM32 application. The primary purpose of this application is to read Contactless cards using a PN5180 chip. Key Responsibilities: - Develop firmware that supports card reading and authentication. - Implement robust error handling and logging mechanisms. Ideal Skills: - Extensive experience with EMV firmware development. - Proficiency in working with STM32 microcontrollers. - In-depth understanding of PN5180 and its functionalities. - Skills in designing firmware for reading Contactless cards. - Experience with implementing card authentication systems. The PN5180 should be interfaced with an EMV communication interface. Therefore, expertise in this area is essential. Please note, t...
Have you worked with NXP NFC chips. We need write drivers for PN5180 to read EMV data
...looking for a skilled PCB layout designer to create an electronic board for a smart LPG gas meter. This device should be capable of remote monitoring, conducting usage analytics, detecting leaks, and identifying tampering. Key Features: - Remote Monitoring: The meter needs to relay information about LPG usage and status to a central server. - Usage Analytics: The meter should collect data over time to provide insights into gas consumption. - Leak Detection: The meter must be able to identify if there is a gas leak and communicate this. - Tamper Detection: The meter should be able to notify when it has been tampered with. Communication Method: The smart LPG gas meter should use a cellular network for remote monitoring. Ideal Skills and Experience: - Extensive experience in ...
I'm seeking a skilled professional with expertise in IoT development, PCB design, and radio circuit design to assist in the prototyping stage of my project. The primary purpose of the IoT Arduino PCB is to carry out various tasks, including IoT, PCB, and radio circuits. Key Requirements: - Extensive experience in IoT development - Proficient in PCB design - Skilled in radio circuit design - Able to help move project from prototyping to final production - Capable of innovative thinking for diverse task applications Your role will be instrumental in advancing this project. Your skills can help transform this prototype into a successful final product.
...need an experienced PCB designer to enhance my existing design. The PCB will integrate 2 high power relay-based motor controllers, with one of the controllers designed for speed control using PWM (Pulse Width Modulation). The whole project will be powered by a 12V-14V car battery. One motor have 10A max current and the other one have 60A max current. The whole project is controlled by an ESP32 micro controller. Also i would like to integrate a 12V to 5V stepdown converter to power the ESP32. Key requirements: - Add relay motor control for forward and reverse motion. - Incorporate speed control for one motor with PWM. - Integrate overcurrent protection into the PCB design. - Integrate 5V stepdown converter for ESP32 Ideal candidates should have: - Strong backgroun...
I'm seeking a microcontroller specialist to assist with an ultrasonic speaker application primarily for sound transmission. This project will also involve PCB production. Key Responsibilities: - Design and implement an ultrasonic speaker system primarily for sound transmission. - PCB design and production for the system. - Utilize a microcontroller for system control and operation. Ideal Candidate: - Extensive experience with microcontroller-based projects. - Proven track record in designing and producing PCBs. - Knowledge in ultrasonic technology and sound transmission. - Ability to work independently and deliver high-quality work on time.
I need a professional PCB designer to help me design a 4 or 6 layer PCB in EasyEDA. The PCB is intended for use in consumer electronics, specifically for signal processing tasks. I have a complete schematic for the PCB, so your main task will be translating this into a robust, manufacturable PCB design. Ideally, you should have experience with PCB design for consumer electronics and signal processing.
Hi there I did read your project description and it looks you are looking for an electronics engineer having experience in circuit, PCB layout designing, and microcontrollers coding/firmware development. My name is Engr. Saddam Gul, I am an electronics engineer having 5+ years of experience in circuits designing, PCB layout designing, and embedded system microcontrollers (Arduino, ESP32, FPGA, C2000, STM, and Rpi) coding/firmware development. I have successfully executed numerous complex projects, which you can view in my portfolio as samples. Please feel free to share more details about your project, and don't hesitate to contact me for any further discussions. Thank you Regards Engr. Saddam Gul
I'm looking for someone to assist with the fabrication of a PCB integrated with an array of SMD LEDs with the following properties: - The type of LEDs is chosen and the design of the board is ready (only in Gerber format, in the attachment). The person should use this to re-create the schematic drawing, BOM, placement file for assembly. There is no need for a new design from scratch, unless an obvious error is spotted. - It includes LEDs that does not appear in the stock of the intended supplier (i.e., JLCPCB). I need step-by-step assistance in handling this issue (how to order for them to stock etc.).
I'm seeking an experienced electronic circuit designer to create a compac...hearing aid circuit. The primary function of this device will be noise reduction. Key features to be integrated include Bluetooth connectivity and a Telecoil for phone use. The device will be powered by a disposable battery. Key Responsibilities: - Design and create electronic diagrams and PCB layouts based on my specific instructions. - Ensure the design is compact and efficient, suitable for a small hearing aid. Ideal Skills and Experience: - Extensive experience in designing electronic circuits and PCB boards. - Previous experience with hearing aid design would be a plus. - Proficient in creating designs compatible with Bluetooth and Telecoil technology. - Ability to design for a disposable...
I am seeking a highly skilled Technical Report Writer with experience in FPGA development, PCB design, and electronic hardware integration to document a comprehensive report on the LVDS to MIPI CSI-2 video stream conversion project.
I'm looking for a skilled and experienced professional in raspberry pi or Arduino design and programming, with a strong background in home automatio...Ideal skills for this project: - Extensive knowledge and experience with raspberry pi or Arduino - Ability to design a user-friendly system - Proficiency in programming and troubleshooting - Creative problem-solving skills Program: Scan barcode and play audio based on barcode Audio can be paused, skip forward or back Led screen shows audio track #, battery life Requirements: ,schematic, PCB design, BOM ,components and website to find these components Understanding of electronics and ability to work with various sensors and devices is a plus. Please include examples of previous home automation projects you've work...
I need an experienced PCB designer to develop a cost-effective PCB for me. This PCB should: - Communicate using Modbus RTU - Read data from 3 Modbus RTU Slave registers, with each slave having 5-10 Modbus Registers - Convert all read data into HART protocol (specifically HART 5) The primary function of this PCB will be monitoring, so the design should be tailored for efficient data tracking. Additionally, the PCB will need to be powered by a DC source, so the design should account for this. Ideal skills for this job include: - PCB design and development - Proficiency in Modbus RTU communication systems - Expertise in HART protocol conversion - Experience with DC-powered devices - Ability to create cost-effective solutions
...for precision temperature measurement from Type K, R and S type thermocouples. - I prefer the use of the STM32 microcontroller family for this main board. - Communication interfaces supported by the main board should include I2C, SPI, UART, ADC, RS485, and RTC. Deliverables Expected: 1. Three fully assembled and programmed PCBs ready for testing. 2. Complete source code for the project. 3. Schematic and Gerber files, including a pick and place file for PCB assembly. 4. Bill of Materials (B.O.M.) with vendor information. Ideal Skills and Experience: - Proficient in STM32 microcontroller programming and board design. - Extensive experience with thermocouple interfacing. - Knowledgeable in PCB design software and creating necessary files for assembly. - Able ...
I am seeking a highly skilled Technical Report Writer with experience in FPGA development, PCB design, and electronic hardware integration to document a comprehensive report on the LVDS to MIPI CSI-2 video stream conversion project.
CM5 Schematic and PCB design. Production files and BOM list. Periph Schematic and PCB Design . Production files and BOM list.
...looking for an experienced engineer to help me with a project involving a DC motor, multiple sensors, and PCB design. Key Requirements: 1. **DC Motor Control**: The primary function of controlling the DC motor is speed regulation. 2. **Sensor Integration**: The project will involve the use of various sensors including: - Temperature sensor - Light sensor - Humidity sensor - Solenoid Valve - Flow Measurement - Sim Module - RTC 3. **PCB Design**: The PCB will need to cater for: - Signal processing and conditioning - Power management - Communication interfaces Ideal candidates should have a strong background in motor control, sensor integration, and PCB design. Expertise in signal processing, power management, and designing com...
Looking for a stm32 + nextion programmer, extensive experience in inkjet printers, if it does not meet the specifications I will not award the project. I already have firmware that I need to integrate more functions and update. Add more functions to the project - ink system controls - level control - control and maintenance - humidity control - ink flow control - lamp control - roll to roll
I'm looking for a skilled hardware designer to create a board for the STM32L031K6 microcontroller. The board will be used for prototy...STM32L031K6 microcontroller. The board will be used for prototyping, and needs to be compatible with the ST-Link V2 programmer. Key Requirements: - The board should include GPIO pins and Analog inputs/outputs. - The power source for the board will be USB, so it needs to be designed accordingly. Ideal Skills and Experience: - Extensive knowledge and experience in hardware design, particularly with STM32 microcontrollers. - Familiarity with ST-Link V2 programming. - Ability to design for USB power supply. - Good understanding of GPIO and Analog inputs/outputs. I need a professional who can ensure the board is designed efficiently for protot...
I'm working on a project that requires a PCB design for a prototype. I need a PCB designer proficient in EasyEDA who can output EasyEDA project files including the PCB design, schematic diagram, and Gerber file. Circuit Details in PDF File - PCB Design Updated
I need a PCB designed for the ESP32 S3 DevkitC-1. This is a prototyping project, so the design should be flexible and adaptable for different uses. i have provided the image ,design will have to be like that but with 44pins and screw terminals(22-left & 22p right) socket to plug esp32 s3 devkit c1,male jumper wires connector,and above mentioned screw terminal Key Requirements: - Design a custom-sized PCB, tailored to specific dimensions - Prototyping-focused design, allowing for adaptability - Knowledge in working with ESP32 S3 is a plus Ideal Skills: - PCB design - Experience with ESP32 S3 - Understanding of prototyping needs - Ability to work with custom size requirements
I am seeking a highly skilled Technical Report Writer with experience in FPGA development, PCB design, and electronic hardware integration to document a comprehensive report on the LVDS to MIPI CSI-2 video stream conversion project.
Project Description I need a professional hardware/electronics designer to create a complete ESP32-S3-based pcb. The design will feature: - ESP32-S3 module (placed on edge side of the PCB) with USB-C for programming. - 18 high-resolution analog inputs for NTC 10K/20K/100K sensors with shared COM pins. - 8 solid-state relay (SSR) outputs for controlling contactor signals, with shared COM pins. - One high-reliability 0-10V analog output. - Ethernet port with the W5500 IC and RJ45 connector at the bottom edge. - Integration of an external RTC module (DS3231) with battery backup for accurate timekeeping. - Power regulation, protection circuits, and optimized PCB design. - Milled slits for isolating I2C sensors.
I need a seasoned PCB designer to create a personal navigation device using an ESP32-S3. The low-power design will encompass various components such as a GPS, sensors buttons, and connectors. Key Features: - Incorporate ESP32 WROOM S3 and u-blox MAX-M10S GPS with chip antenna - Integrate a Speaker and 5 Pushbuttons - Include a Micro SD Card Slot and USB-C Connector - Have a Barometric Sensor, Accelerometer/Gyro, and Ambient Light Sensor - Implement a LoRA Radio and 4 connectors for battery & peripherals - Support LiPo charging and power management Board Dimensions: Approximately 44mm x 72mm Deliverables: - Altium Designer Schematic - Detailed Parts List (BOM) with supplier information - Altium Designer PCB Layout - Complete Fabrication data (Geber files etc) ...
Main Features: BGA Data Monitoring: The application displays data related to BGA tests in a table format. Table columns include: OrderNumber: The test order number. LIS_REG_NO: The registration number in the Laboratory Information System (LIS). RETRIEVED_FLG: Data retrieval status (possibly "1" or "0" to indicate a specific status). OrderItemName: The name of the test item, such as "BGA NOVA". OrderDateTime: The date and time the order was created. Additional Information: At the bottom, the application displays: Data refresh interval, e.g., "Refreshing Grid: 4s". Current date, row count in the table, and error status (e.g., "Error: No Error"). Control: A "Matikan Alert" button (translated as "Turn Off ...
...Hardware Development: Design a custom PCB to support both DVD functionality and Android integration. Create a hidden mechanism for SIM and SD card slots. Ensure compatibility with Wi-Fi and 5G connectivity. Build and test a fully functional prototype. 2. Software Development: Develop the Android system for the device, including Google Play Store integration. Configure the system to support apps like WhatsApp, with voice and air mouse functionality. Implement a hidden access system for Android features via remote control. 3. Prototyping and Testing: Source components and assemble the prototype. Conduct thorough testing to ensure reliability and performance. --- Requirements Proven experience in hardware and PCB design. Expertise in...
...microcontroller expert who can convert my current setup (ESP32, SIM800L, Neo6M GPS) into a more compact design using the STM32G030F6P6TR chip and embed it with a SIM868. The goal is to create a compact, efficient, and versatile tracking device. Responsibilities: - Convert the existing microcontroller setup to an STM32G030F6P6TR chip. - Embed the design with the SIM868 for enhanced functionality. - Design a PCB that accommodates this compact design without compromising performance. - Ensure the device is suitable for both indoor and outdoor use. The device needs to support real-time tracking functionality. Therefore, experience in designing tracking devices is preferred. Please note, I require only qualified professionals to bid on this project. Proposals generated by AI tools...
I need a PCB design expert to help me finalize my PCB design for production. The circuit sketches, dimensions, and component lists have already been prepared. Key Requirements: - Adherence to Standard Design Rules: The PCB should follow standard design rules without any high-density or high-frequency considerations. - Single Layer Design: This PCB will be a single layer. - Manual Routing: The PCB design requires manual routing, not auto-routing or a mix of both. Deliverables: - A .Pcb file that is ready for production Ideal Skills: - Proficiency in PCB design software - Experience with manual routing - Strong understanding of standard design rules
I need an experienced PCB designer to route an existing PCB for me in EAGLE CAD. Key Project Details: - Size: The PCB is a medium size, specifically within the range of 2x2 to 4x4 inches. - Layers: It is a double-layered PCB. - Component Density: The design will have a medium density of components. Ideal candidates are those with prior experience in PCB design and routing, particularly using EAGLE CAD. A good understanding of double-layered PCB routing and medium component density layouts is crucial. Please include examples of similar projects you've completed in your proposal.
I need a Test the devkit about Bluetooth audio processing and PCB design for a pair of Bluetooth glasses. The primary function of these glasses is to playback stereo music via Bluetooth. The PCB will need to support audio transmission from a phone or Bluetooth source. Key Requirements: - Test a Bluetooth audio devkit - Proficient in PCB design and testing. - Strong experience with Bluetooth technology. - Capable of designing for audio transmission. - Knowledge in designing for stereo music playback.
I'm looking for an expert in HDI grade PCB design for a compact 23mm x 11mm PCB. This design is intended for a consumer electronics device. Key Requirements: - The PCB needs to accommodate various components: Sensors, LEDs, FPGA, and Buffer memory. - Sequential illumination - The design should be suitable for indoor use only. Ideal Skills: - Proficiency in PCB design software. - Experience in designing PCBs for consumer electronics. - Familiarity with the integration of sensors, FPGAs, and buffer memory on PCBs. - Knowledge of HDI grade PCB design. Please provide relevant samples of your past work.
We are seeking a skilled freelancer to help design the schematic PCB circuit diagram and develop the firmware for a Smart Tree Pot device that integrates multiple sensors and displays 70+ expressions on a screen. The device will monitor various environmental factors such as moisture, temperature, light and respond with visual expressions on a display based on the sensor data. The goal of this project is to create a system where the tree pot responds interactively to its environment with a range of dynamic expressions, making the device not just functional but also visually engaging. Project Requirements: 1. PCB Circuit Design: o Design the schematic circuit diagram for the Smart Tree Pot. o Integrate sensors for soil moisture, temperature, light to monitor plant condition...
...stable variation of the injected current within the specified range. Technical Requirements: Experience: Designing switching power supplies, especially Buck converters. Knowledge: Constant current control, pulse-width modulation (PWM) Components: Selection of appropriate transistors, PWM control circuits, isolation, and safety in design. Deliverables: Detailed circuit schematics, component list, PCB design (optional), and guide for external mounting and connection. Considerations: Thermal Management: Ensure proper heat dissipation. Control Stability: Guarantee that the current injection does not destabilize the internal control loop of the Buck converter. Safety: Design with necessary safety measures to handle the high voltages involved. ---------------------------------------...
Make modifications on the board to accommodate a BGA package chip instead of TQFP
