电子 Jobs

I need assistance with my MKR NB 1500 NB IoT board which is losing connectivity after 6 days of use. Key aspects of the project: - Hardware Evaluation: The board exhibits no error messages or indicators before losing connectivity, suggesting a potential hardware malfunction. - Connectivity Troubleshooting: I have restarted the board, verified the SIM card and network settings, updated the firmware, and even replaced the antenna. Your expertise in diagnosing and fixing hardware issues is highly valued. Please, only bid if you have substantial experience with MKR NB 1500 boards.

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) Key Requireme...

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.

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 need a control system for single-phase DC or AC channel modules using Plecs. The focus is on efficiency and performance, using techniques such as: - Droop Control - Single-phase dq Control - Grid-forming and Grid-following AC Channel Module Control - Conversion into C code The project will begin with a model in Plecs, with the potential for future expansion. Ideal skills include: - Proficiency in Plecs for building models - Strong understanding of control systems and techniques - Experience with single-phase DC and AC modules - Ability to prioritize efficiency and performance in design

I'm looking for a skilled engineer with experience in Altera FPGA and electronics to develop a smart automatic door lock system. The system should use an electronic strike solenoid lock and operate based on a 4x3 keypad input. Key project requirements: - The lock should open when a correct passcode is entered. There will be three different passcodes programmed into the system. - If the user fails to enter the correct password after three tries, the system should implement a 20-second cooldown period before allowing attempts to restart. - A display screen should provide feedback when the correct passcode is entered. You will also need to provide guidance on how to connect the GPIO pins of the Altera DE0 Nanobot to a servo motor to simulate the door opening. The ideal candidate for th...

Hi I will share the details with the shortlisted candidates. Thanks

I need to design the supercapacitor block in matlab simulation with any supercapacitor data sheet .. Already supercapacitor block is Available. I just need to assign the parameters of the block with data sheet

I'm seeking a skilled PLC programmer with expertise in Siemens systems. The main objective of this project is to automate processes on an assembly line. Key Requirements: - Proficiency in Siemens PLC programming. - Prior experience with assembly line automation. - Ability to deliver efficient and reliable process automation. Your role will be pivotal in enhancing our assembly line's operational efficiency. Please share your relevant experience when bidding.

I'm looking for an experienced circuit designer to create a circuit for a Switching Mode Power Supply (SMPS) aimed at consumer electronics. Key Project Details: - The circuit is specifically for a 24V SMPS. - Power Rating 48 W , 2A - Use the IC DP2281 - Experience in designing circuits for consumer electronics is crucial. - Knowledge and experience working with SMPS circuits is a must. Your expertise in circuit design will be pivotal in ensuring the successful creation of this circuit. I look forward to your bids and hope to find a freelancer who can meet these requirements.

I am looking for a seasoned professional with extensive experience in embedded software development, particularly focused on real-time processing. The primary task will be to develop embedded software for a microcontroller-based device. Ideal skills and experience: - Proficient in embedded software development with a focus on real-time processing. - Extensive experience working with microcontrollers. - Skilled in software testing and configurations. - Background in electrical and mechanical design. Please provide examples of similar projects you've completed.

Problem statement : when TXD pin connected to ground and Reset applied or power on reset done on nuvoton 78E052 controller, it does not power up. Now if i remove ground from TXD pin, it power up. Solution expected: 78e052 should power up even TXD pin low. Firmware uploaded using TXD pin and RXD pin ISP mode then above test done after removing serail programmer.

I'm seeking an expert to adapt a touchscreen for use with the Squareline Studio editor. The primary aim is to empower my engineers (who aren't software engineers) to design a GUI within Squareline, generate the code, and upload it to an ESP32 using the Arduino environment. Key project components: - The GUI should incorporate buttons and sliders as the main graphical elements. - The ESP32 should be capable of controlling devices, monitoring data, and triggering events through the touchscreen. - Utilization of the LittlevGL (LVGL) library in conjunction with Squareline Studio is necessary. Ideal candidates for this project should have: - Extensive experience with touchscreen integration and ESP32 microcontrollers. - Proficiency in Squareline Studio and the LVGL library. - Ability...

I'm looking for an experienced electronic engineer to modernize the circuit board of a Candlepin Bowling Pinsetter. The primary goal is to update the board and components to a smaller form factor while enhancing the overall efficiency of the system. Key Requirements: - Update the circuit board and components to a smaller, more compact form factor. - Improve the overall efficiency of the circuit board. Ideal Skills: - Expertise in circuit board design and modification. - Experience with consumer electronics. - Strong understanding of efficiency optimization techniques. Prior experience working with industrial control systems, particularly in consumer electronics like a bowling pinsetter, would be highly beneficial. A successful project will lead to a faster, more efficient pin sett...

I need a Logisim expert to design a sequential circuit for me. The circuit should generate the digits in my student ID. Requirements: - Utilize JK Flip-Flops and Counters. - Employ only JK or D-flip-flop and basic gates (AND, OR, XOR, NAND, NOR, XNOR). - The circuit should be able to replicate the digits of my student ID. Ideal skills: - Proficient in using Logisim. - Strong understanding of sequential circuit design. - Able to work with JK Flip-Flops and Counters. - Familiar with basic logic gates. I attached milestone 2 my previous project are going to continue working on it to do milestone 3 This project is primarily for educational purposes, helping me understand the practical application of circuit design. A freelancer with a background in electronics or computer engineering would...

I'm looking for an expert in Solidcam and CNC programming to create a post processor for my Fadal VMC 15 XT milling machine. It should support 3 or 4 axis operations. Key Requirements: - Develop a post processor for Solidcam specifically tailored for the Fadal VMC 15 XT. - Ensure compatibility with both 3 and/or 4 axis milling. - The post processor should optimize toolpaths, detect errors, and incorporate custom macros as necessary. - Previous experience with Fadal machines and Solidcam is a significant advantage. - Proficiency in CNC programming and understanding of milling machine operations is essential. Please include examples of previous similar projects in your application.

I'm in need of an expert who can design a schematic for an electronic circuit. This is for a consumer electronics device and will include key features like sensor integration and DC motor control. Ideal skills and experience for the job: - Proficiency in electronic circuit design - Experience working with consumer electronics - Knowledge of DC motor control systems - Expertise in sensor integration - Familiarity with schematic design software Please provide examples of similar projects you've completed in your proposal.

I am working on a children's rotary electric toothbrush aimed at ages 4–12 for my startup brand, BeaconNest. The design must prioritize a child-friendly ergonomic structure, which includes: - A compact rotary brush head that is suitable for children. - A non-slip grip, compact size for small hands, and a lightweight design. - Features such as a 2-minute timer, pressure sensor, and an ergonomic grip. - A vibrant, child-friendly color scheme that incorporates our brand. The highest priority for this project is the child-friendly ergonomic design. The toothbrush must be easy for children to hold and use, helping to instill good dental hygiene habits early on. The 2-minute timer feature is the most crucial for enhancing the user experience. This will help children unders...

I need a professional electrician to install a standard light switch and a standard socket in my outhouse. - The job requires a standard light switch and a standard socket. - There is currently no existing wiring in the outhouse, so the job will entail running new wiring. Please note, an ideal candidate for this job should have: - Extensive experience in electrical installations. - Knowledge of UK wiring regulations. - Ability to install standard light switches and sockets. - Excellent problem-solving skills to navigate the lack of existing wiring. - Good communication skills for liaising with me throughout the project. Please do not hesitate to contact me directly at 07957339998 if you have any questions or require further information.

I am in need of a revolutionary charging port that caters to the modern need of 'scattered chargers'. This port should be capable of universal compatibility, allowing it to charge a variety of devices without the need for multiple, separate chargers. It should also support quick charging for efficiency. Key Aspects: - Functionality: The charging port should be designed to eliminate the chaos of scattered chargers, making it easy and efficient to charge devices in one central location. - Compatibility: This port should be able to charge any device, regardless of brand or type. - Quick Charging: The port should support quick charging to meet the fast-paced needs of today's tech users. Ideal Skills: - Product design - Electrical engineering - Knowledge of charging technology...

I need an expert in ESPHome and ESP32 boards to assist with creating YAML code for controlling a servo via ESPNow. Key Requirements: - The main purpose is to automatically control a servo from 0% to 100% then return to 0% after 1s using an ESP32. This will happen when a photoelectric retroreflector switch is triggered on a different ESP32 board. ( When switch is triggered on one ESP32 board 1. The servo on ESP32 board 2 should instantly changes to 100% position and returns to 0% after 1s) - The communication between ESP32 devices should use the ESPNow protocol. - The yaml code should be suitable for ESPHome. - The ideal freelancer will have extensive experience with ESPHome, ESP32 boards, and ESPNow. I’m an electrical engineer with no coding knowledge. This project is based on...

I'm seeking an expert who can design a modified version of the Zoom G1 four multi-effect/sampler. The device needs to include: - A Drum machine: Similar to the Zoom's, but with more memory and the capability to incorporate new midi-patterns. - Multi-Inputs: At least 4-5 inputs for various instruments. - Effects: Designed specifically for guitar, bass, and vocals. - Sampler: Able to run loops of 4-5 minutes. - Bluetooth Connectivity: To connect with a phone, which will serve as a screen and interface. - Optional: A simple DAW integrated into the design. - Optional: WahWah pedal which should modify all effects onboard - usb-port It would be ideal if the device can be powered by 5v. If you're interested, please send me a private message detailing your relevant experience and...

My project involves troubleshooting an ESP32 Arduino code that integrates with a NEO-8M GPS module. Currently, the GPS data is not appearing on the serial monitor and this issue needs to be rectified. Key Requirements: - Maintain the original code structure and logic while debugging. - Modify the code to output full GPS data (including time and date) to the serial monitor. - Ensure that the GPS coordinates are accurately displayed. Ideal Skills and Experience: - Proficient in Arduino programming, particularly with ESP32. - Experienced with NEO-8M GPS module integration. - Strong debugging skills to identify and fix code issues. - Able to maintain the integrity of the original code structure and logic.

Estoy buscando un profesional que me ayude a perfeccionar mi proyecto de LabVIEW. El enfoque se centrará principalmente en: - Optimización del rendimiento: el proyecto actualmente tiene algunos problemas de rendimiento que deben abordarse. - Mejoras de la interfaz de usuario: la interactividad de la interfaz de usuario necesita algunas mejoras. - Monitoreo de datos: esta es una parte crucial del proyecto. Necesito mejorar los controles de usuario y los gráficos en tiempo real para el monitoreo de datos. El profesional independiente ideal para este trabajo sería alguien con amplia experiencia en LabVIEW, particularmente en la optimización del rendimiento y la mejora de la interactividad dentro de la interfaz de usuario. Las habilidades para diseñ...

I am in need of a skilled engineer or prototype developer who can construct a basic functional model of my patented concept (US patent Ser. no. US 12,017,735 B1). This handheld prototype must demonstrate the core functionality of the heating concept using a combination of a solid-state heater, ceramic, metal and various electronic components. Key Responsibilities: - Construct a basic functional model of my US patent. - Ensure the prototype is handheld and demonstrates heating. - Use of solid-state heater, ceramic, metal and electronic components. Ideal Skills and Experience: - Proven experience in prototype development. - Familiarity with handling solid-state heaters and ceramic. - Ability to create a basic functional model. - Previous work with heating prototypes is a plus. This is a...

I need an expert electronics engineer to design a WiFi module for me. Key Requirements: 1. The module must support Wi-Fi standards 802.11b, 802.11g, and 802.11n. 2. It should use UART or SPI as the host interface to enable communication with the host computer. 3. Use a SoC with integrated Wi-Fi and employ Altium Designer to create the electronic schematic diagram. 4. The software architecture should encompass a TCP/IP stack and a UART driver. 5. A detailed explanation of the operating mechanism of the designed system is required. Ideal Candidate: - Proficient in using Altium Designer. - Extensive experience in WiFi module and SoC design. - Strong understanding of Wi-Fi standards. - Capable of designing a comprehensive software architecture. Please provide your proposals if you meet the...

I'm seeking a skilled freelancer who can design a standalone, wireless GSM Data receiver hardware. This device will interface with various ATM/POS machines to receive and store data. Key Responsibilities: - Develop a GSM Data receiver capable of connecting with any ATM/POS machine - Ensure the device is standalone and wireless - Design the necessary software for data reception and storage Ideal Skills and Experience: - Proven track record in creating GSM Data receiver hardware - Familiarity with ATM/POS machine connectivity - Expertise in developing standalone devices - Proficiency in data storage and retrieval - Extensive knowledge of GSM technology and protocols Please note, the device should be able to connect wirelessly with any brand or model of ATM/POS machine. The goal of th...

I'm seeking assistance with programming support for my Vision Master E290 using Arduino. Specifically, I need help setting up the Arduino IDE on my Windows system.

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'm looking for a seasoned professional with hands-on experience in both hardware and software aspects of the WM8904 Audio Codec. The goal is to seamlessly integrate this codec with the LPC55S69 NXP Microcontroller for audio playback directed to speakers in a consumer electronics setup. Ideal Skills and Experience: - Profound knowledge of WM8904 Audio Codec - Extensive experience with LPC55S69 NXP Microcontroller - Hardware and Software integration skills - Expertise in audio playback systems for consumer electronics - Familiarity with speaker output systems

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'm looking for an expert in battery management systems (BMS) and Matlab to help with designing and simulating a BMS. Ideal Skills: - Proficiency in Matlab - Experience with BMS design - Understanding of battery technologies - Ability to create control algorithms - Knowledge of thermal management and safety features Please note that the specific aspects of the BMS to be designed and simulated, as well as the components to be included, have not been defined. I am open to suggestions based on your expertise and what you think would be most beneficial for the project.

I'm looking for a designer who can create a two-way siren system for industrial use. The system must be able to communicate via radio and primarily serve the purpose of emergency alerts. Key Requirements: - 100m Range, - Ability to connect up to 30 devices - Each device has a siren and light - Battery (12v) powered - See on their video you can set the radio number for pairing - Disconnection warning The system will need to be robust enough for an industrial setting and capable of broadcasting emergency alerts. The power source for the sirens will be battery-powered, so considerations should be made for energy efficiency and battery life.

I'm in need of a professional to create a simulation of a 4 way traffic system using Proteus or a lab center. The specific components and microcontroller to be used have not been decided yet, and the purpose of the simulation could be any of optimizing traffic flow, ensuring safety compliance, or for educational purposes. Ideal skills and experiences for this job include: - Proficiency in using Proteus or lab center for simulations - Understanding of traffic systems components - Experience with various microcontrollers, particularly Arduino, PIC, and 8051 - Ability to create simulations for different purposes (traffic optimization, safety, education) Freelancers with a strong background in traffic system simulations and microcontroller programming are encouraged to apply.

I'm seeking a seasoned professional to build a FPV freestyle drone for me. This drone will need to be equipped with various advanced features, including GPS capability and integration for a top-notch camera. Given the nature of freestyle flying, durability is key, so the frame must be robust and able to withstand the rigours of high-energy flights. Key Tasks: - Frame Assembly: Assemble a high-quality, durable frame for the drone. - Electronic Components: Select and install top-tier electronic components for performance and reliability. - Betaflight Configuration: Expertly configure Betaflight for optimal control and responsiveness. Ideal candidates will have extensive experience with FPV drone construction and Betaflight, with a strong understanding of the specific requirements for ...

Job will be to program a small capacitive IPS, TFT LCD touch screen controller to a remote 12-channel relay board. UART2: TTL/CMOS. communications. There is software available for the small 2.1 inch touchscreen and menu icons, and to assist in firmware. The relay board would prefer to utilize Raspberry Pi Arduino and use pre-configured circuit board. for 12v relay outputs. The outputs will be controlled by the touch screen controller's selection icons and menu's. The conclusion is to have a circular touchscreen controller with visible picture/icons that will: 1) push to activate an ignition relay. 2) Menu's to activate all additional relays on/off functions with picture icons for each selected choice. Price: $50-100

I need help integrating an AI Coral with a Raspberry Pi Camera Module 3 Noir to a Raspberry Pi 5. The system should be able to detect both static and moving obstacles in various environments, for the primary purpose of enabling autonomous navigation. Ideal candidate should have: - Proficiency in working with AI Coral and Raspberry Pi - Experience with camera modules, specifically the Raspberry Pi Camera Module 3 Noir - Knowledge in developing systems for obstacle detection - Skills in programming for autonomous navigation - Capability to design for both indoor and outdoor use The project involves: - Integrating the hardware components - Programming the system for obstacle detection - Ensuring the system is capable of autonomous navigation - Testing in both indoor and outdoor environment...

I'm seeking a skilled professional to assist with integrating my Guition ESP32-S3-4848S040 board into SquareLine Studio for the Arduino IDE. The ultimate goal is to produce a complete set of files that adhere to the specified requirements. Here are links to descriptions of a board, specifically mine is ESP32-S3, ST7701, GT911, and requires the CH340 driver: General description: Additional information about the board: I am looking for a fully functional set of files for SquareLine Studio that meet the requirements outlined below: Ideal Skills and Experience: - Proficient in C/C++ programming - Experienced in Microcontroller Hardware Configuration - Familiar with LVGL and GUI Development - Skilled in Library Debugging and Customization - Prior experience with SquareLine St...

I'm working on a digital circuit design project focused on a finite state machine (FSM) for a lock system. I need assistance with the design and implementation using VHDL on a Basys3 FPGA board. Ideal Skills: - Proficiency in VHDL - Experience with digital circuit design - Familiarity with FSMs Key Tasks: - Design a FSM for a lock system - Implement the design using VHDL - Test the design on a Basys3 FPGA board Please provide examples of similar projects you've completed in your proposal.

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.

I'm looking for an expert in electrical engineering to design a circuit for a small wind turbine that will power a submersible fountain water pump. The maximum power output of my wind turbine is less than 20 watts. Key Tasks: - Design a circuit that can efficiently harness the wind turbine's power to operate a submersible pump. - Integrate an automatic on/off switch for the fountain water pump into the circuit. Ideal Skills: - Proficiency in circuit design, particularly for renewable energy sources. - Experience working with small wind turbines and submersible pumps. - Ability to design and integrate control systems into electrical circuits. Please ensure you are able to deliver a robust and reliable design, as this will be used to power a fountain in my garden.

I'm in need of a compact, battery-powered camera module and custom built microcontroller designed for eye-tracking. This module should: - Operate in infrared wavelengths - Connect to a small, custom-built microcontroller - Support wireless streaming of the camera feed - Provide 1080p quality video without auto-focus The camera will be situated near the eyes, so size and weight are critical considerations. The wireless communication protocol for this project is Wi-Fi, and the power source is a battery. Ideal candidates will have experience with camera module design, microcontroller integration, and wireless technology. Please note, the primary application for this camera has not been specified yet, so flexibility and adaptability will be key.

I need an advanced ESP32 developer to help me connect a 3.5mm headphone with mic to an ESP32 and turn it into a hands-free device for calls. I have a full working example at the provided Github link. However, this example expects an external DAC or codec. I want to use the internal DAC and ADC and connect to a TRRS adapter. Your guidance and code will be crucial for this project. Working code But this assumes an external dac and adc according to my knowledge I want to use internal one and connect it to the 3.5mm adapter. I need a circuit diagram and code. Key Requirements: - The device must support answering and ending calls. - Expertise in ESP32 development is a must. - Previous experience with Bluetooth and audio processing on ESP32 is a plus. - Ability to provide clear guidance and ...

I'm experiencing issues with my ESP32 code for LoRaWAN OTAA. Specifically, my device isn't able to join The Things Network (TTN). I've verified that my device credentials and configuration are correct, so I need an expert to help troubleshoot and resolve the issue. Ideal Skills and Experience: - Proficiency in ESP32 programming - Experience with LoRaWAN and TTN - Strong problem-solving skills - Ability to troubleshoot network connection issues - Knowledge of SX1276 module Please reach out if you can assist with this issue.

I'm looking for a specialized, miniature electronic video system designed for real-time microsurgical live streaming. This system should be capable of delivering high-definition video quality with minimal latency. Key Requirements: - The primary purpose of this system is to facilitate real-time microsurgical live streaming. - The system must deliver high-definition video quality. - It should be capable of low-latency streaming, ensuring a smooth viewing experience. Ideal Skills and Experience: - Expertise in designing and developing miniature electronic video systems. - Proficiency in high-definition video streaming technologies. - Experience with systems designed for real-time, live-streaming applications.

I'm seeking a mechanical engineer with electrical knowledge to assist in estimating the length of metal conduits for an industrial project. Your primary responsibility will be to calculate the conduit lengths accurately to facilitate the project's requirements. This task is crucial for ensuring the project's smooth execution and preventing unnecessary delays or complications. Ideal candidates should have: - Extensive experience in mechanical engineering and electrical systems - A strong understanding of industrial projects - Proficiency in calculating conduit lengths - Prior experience working with metal conduits - Ability to provide accurate estimates for project planning - Strong problem-solving skills to address potential challenges

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 conditions. o Design an...

Hello, I'm looking for an electronic engineer with power electronics experience to design an external circuit that can be connected to an existing Buck power supply. The goal is to inject a variable current (0 to 200 mA) controlled by PWM into the switching node to adjust the average current supplied to an LED array. Project Details: (PLEASE CHECK THE ATTACHED IMAGES) Current System: Type of Supply: Buck Converter (SMPS) AC/DC Output: Constant current of 200 mA at 135V for an LED array. Access: Only to the output connector where the LEDs are connected; no access to the internal components of the power supply. Design Objective: Variable Current Injection: Create a circuit that can inject between 0 and 200 mA into the switching node using a PWM signal. Average Current Regulation: ...

I'm seeking a freelancer to develop Arduino code for controlling the TEF6686 IC and an accompanying, user-friendly Android app that interfaces with an Arduino Nano via USB. The project has a max budget of 100 euros, and I prefer a freelancer who is active and communicative. The Arduino code should: - Control the TEF6686 IC for FM tuning and RDS data - Handle seek functionality - Monitor signal strength - Ensure smooth USB communication with the Android app The Android app, while not overly complicated, should have a simple, intuitive interface with features such as: - Frequency display - Tuning controls (with presets) - RDS display (program name and program info) - Signal strength bar - USB status (connected/disconnected) The app should be similar to a stock Android FM app in ter...

I'm in need of a product designer who can create a physical consumer electronics product with an entertainment focus. Key Responsibilities: - Conceptualize and design an innovative, engaging consumer electronics product. - Ensure the design is feasible for mass production. Ideal Skills: - Strong experience with designing consumer electronics. - Proven track record in product design, particularly in the entertainment sector. - Excellent understanding of design for manufacturability.