Convert Phone Screen to E-Ink

@engrusmanfaiz

Hello, This is a non-trivial retrofit since feature phones use proprietary LCD interfaces, so an E Ink replacement requires a controller bridge. I will analyze the Navi C1 display interface (SPI/parallel) and design a compact adapter PCB using an MCU (STM32/ESP32) with an E Ink controller (UC8151/SSD1680). The firmware will translate display signals into optimized E Ink refresh cycles with partial updates to minimize ghosting. A suitable small E Ink panel (≈1.5”–2.1”) will be selected and mechanically fitted if needed. Power and signal integrity will be handled to ensure safe operation and improved efficiency. Existing keypad/UI flow will remain unchanged. Deliverables: schematic, PCB, firmware, and working prototype with documentation. Note: slight UI latency is expected due to E Ink refresh characteristics. Regards, Muhammad Usman Embedded & PCB Design Engineer

@sahildogra222

Hello " Lets Gets Started, You are looking for Convert Phone Screen to E-Ink I know you have several tempting proposals here, but I guarantee you to be impressed by my work. I have various skills in Prototyping, 3D Printing, Electronics, Signal Processing, Circuit Design, Product Development, Technical Documentation, PCB Design and Layout, Visual Design and Embedded Systems. If you give me this chance you will be impressed, because I guarantee that I will meet your expectations. I invite you to get a look at my portfolio You Can see it from here : https://www.freelancer.com/u/sahildogra222 If you have any questions or queries, do not hesitate to contact me. I hope to start working with you. With regards! Sahil

@electronicsdone

Best E-Ink Electronics PCB Design Expert! ⭐⭐⭐⭐⭐ Hi there, hope you are doing well! I have worked on projects involving display conversions, signal interfacing (SPI/I2C), and designing compact PCBs to bridge compatibility between existing boards and new display technologies. I specialize in PCB design and embedded hardware modifications, with strong experience in display interfacing, low-power design, and custom adapter PCB development for integrating new hardware into existing systems. The most important part to successfully complete this project is selecting a compatible E-Ink interface approach, designing a reliable adapter PCB or driver solution, and ensuring stable communication and power efficiency without affecting the phone’s core functionality. Approach: ✅ Analyze the existing phone display interface and pin configuration ✅ Select or recommend a compatible E-Ink display module ✅ Ensure proper signal conversion (SPI/parallel as required) ✅ Optimize power consumption for safe battery operation ✅ Provide complete design files (schematic, PCB, BOM) ✅Quick questions: 1. Can you share details or images of the current display and its interface? 2. Do you have any preferred E-ink module in mind? I am confident my expertise in PCB design and hardware interfacing will help you achieve a reliable and eye-friendly E-Ink display conversion. Looking forward to working together. Best regards, Prat PCB Must Innovations

@TheDesignBloke

Hi, I reviewed your brief, and this isn’t a simple screen swap, it’s a full hardware + firmware integration challenge. I’ll approach it by selecting a compatible E Ink module, then designing an adapter solution (PCB/driver) so the Navi C1 can interface correctly without breaking core functionality. Power behavior, refresh limitations, and ghosting will be handled carefully to keep the device stable and actually usable day to day. You’ll get a fully working prototype plus clear documentation (wiring, schematics, steps) so it can be reproduced or repaired. The focus will be on reliability and readability, not forcing features the device doesn’t support. Quick question, do you have access to the phone’s firmware or chipset details for display interfacing? Best regards, Muskan

@altafr99

Hi , I reviewed your project "Convert Phone Screen to E-Ink" and I understand you are looking for a strong and professional design solution. Based on I use a small, no-frills Navi C1 handset every day, but the back-lit display leaves my eyes tired after long calls and SMS sessions, I can help you create clean, impactful visuals that match your brand and business goals. I have 10+ years of experience in logo design, branding, print design, and marketing materials, focused on delivering practical and creative results. Since your project includes Technical Documentation, Prototyping, 3D Printing, Circuit Design, Product Development, PCB Design and Layout, Visual Design, Electronics, Embedded Systems and Signal Processing, I will ensure the design is aligned, consistent, and professionally executed. Deliverables: Concepts within 6–12 hours Revisions until final approval All required file formats (AI, PSD, EPS, PDF, PNG, JPG, SVG) Portfolio: https://www.freelancer.com/u/altafr99 Looking forward to working with you.

@ElecHamza

Hi, I will handle the complete integration of a custom E Ink display for your Navi C1 by designing a dedicated adapter PCB to interface with the existing hardware. I will source a high-contrast panel that fits your housing requirements and optimize the driver firmware to ensure clean rendering without ghosting. My approach includes a full power analysis to improve battery efficiency and providing detailed schematics and 3D files for any necessary bezel modifications. You will receive a fully functional, eye-friendly prototype along with comprehensive technical documentation for future maintenance. Best regards

@hayleyc27

I’m excited to submit my proposal to convert your phone screen to E-Ink technology, providing an innovative way to enhance readability, battery life, and overall user experience. E-Ink displays are known for their low power consumption and superior visibility in bright sunlight, making them an excellent choice for users who prefer a more energy-efficient and comfortable reading experience. I will begin by conducting a detailed analysis of your phone’s hardware and screen specifications to determine the feasibility of integration and identify any necessary modifications. My goal is to ensure a seamless transition from an LCD/LED screen to an E-Ink display while maintaining functionality such as touch sensitivity and responsiveness. In addition to the physical conversion, I will focus on the software adjustments required to optimize the phone’s performance with an E-Ink display. This may include developing custom firmware to support features such as refresh rate management, content rendering optimization, and battery conservation. I will also consider user interface modifications to enhance readability and usability on the new screen. By combining cutting-edge E-Ink technology with efficient power management, I aim to deliver a unique and practical solution that extends battery life, reduces eye strain, and provides a sustainable alternative to traditional smartphone displays.

@adily1

Hey , I just finished reading the job description and I see you are looking for someone experienced in Signal Processing, Circuit Design, Prototyping, 3D Printing, Electronics, Embedded Systems, PCB Design and Layout, Visual Design, Product Development and Technical Documentation. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Adil.

@dmytrom99pro

Hello, With my 10+ years of experience in software development centered around system analysis, I am confident that I can provide you with a robust and efficient solution for converting your Navi C1 Phone into an e-ink handset. Though my expertise lies more on the software side, my deep understanding of complex or undocumented systems enables me to quickly identify and adapt to new hardware requirements. In previous projects, I have successfully undertaken endeavors similar to yours, including retrofitting E Ink into small electronics, working with SPI displays, and creating custom display driver boards. My skills in technical documentation guarantee that you will receive step-by-step guidance - schematics, wiring diagrams and even edited firmware files - ensuring not only smooth implementation but also enabling anyone to reproduce or repair the solution should that be necessary. Moreover, as battery life is a pertinent concern for you; my well-informed power-use assessments will ensure that you're not only met with parity but potentially greater battery life than you experienced previously. Ultimately, I believe my skills in reverse engineering and optimization make me an ideal candidate for your project to achieve the best UI elements, smooth navigation as well as improved battery and charge circuit performance Thanks!

@DngPhgNam

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I have previously retrofitted E Ink displays into compact devices, enabling low-power, high-contrast screens that significantly reduce eye strain while maintaining full functionality with physical controls. From my experience, the crucial element for success is ensuring seamless communication between the phone's existing board and the new E Ink panel through precise electronic adaptation. Approach: ⭕ I will first select an appropriately sized E Ink module compatible with the Navi C1 or design a custom 3D-printed bezel if needed. ⭕ Then, develop a dedicated driver PCB or adapter to interface the phone’s board with the E Ink panel, including necessary firmware modifications. ⭕ Conduct detailed power consumption analysis and verify battery and charging system safety. ⭕ Document every step comprehensively with photos, schematics, wiring diagrams, and firmware files. ⭕ Build and deliver a fully functional prototype, securely packaged. ❓ Could you please confirm the phone’s current display interface details and if you have access to the phone’s firmware source or allow reflashing? I am confident in delivering an efficient, well-documented E Ink retrofit that meets your criteria for eye comfort, functionality, and power efficiency. Best regards, Nam

@olivia089

I understand your goal of reducing eye strain on the Navi C1 handset by replacing the existing backlit display with an E Ink panel that maintains readability and contrast in indoor lighting. In previous projects, I have successfully integrated E Ink displays into custom handheld devices, including designing adapter PCBs and firmware modifications to ensure seamless operation with existing hardware. Based on my experience, selecting a 2.13-inch or 2.9-inch E Ink module with a resolution of at least 250 x 122 pixels can provide clear, high-contrast text suitable for your UI, and I estimate power consumption could be reduced by up to 60% compared to the original display. I will develop a detailed wiring diagram, adapt the firmware to support the E Ink controller (likely via SPI), and ensure the power circuit remains safe and compatible with the existing battery. Rest assured, I am committed to delivering a fully functional prototype that meets all your criteria, with comprehensive documentation and a focus on quality and reliability.

@uzairelectronics

Hi, I can help you turn your Navi C1 into an eye-friendly E Ink device with a clean, production-ready approach. I’ve worked on compact embedded systems and custom display integrations, including SPI-based modules and low-power optimization. For your project, I’ll first evaluate the existing display interface (likely SPI/parallel) and select a compatible E Ink panel or design a compact adapter PCB with a dedicated controller if required. Mechanically, I’ll ensure proper fitment—either matching an off-the-shelf panel or designing a precise 3D-printed bezel/frame. On the firmware side, I’ll adapt or bridge the display protocol so your UI renders correctly without ghosting. I’ll also analyze power behavior to maintain or improve battery life, which E Ink naturally supports. You’ll receive full documentation: schematics, PCB files, wiring, firmware notes, and assembly steps. End result: a fully functional prototype with original buttons intact and a comfortable, paper-like display. Best regards, @engr_uzairpcb

@ElectronicsMust

Dear Client, The real challenge here is not simply replacing a screen. It is making an E-Ink display behave predictably within a phone system that was never designed to drive it—especially when dealing with refresh behavior, controller compatibility, power constraints, and UI timing. With 11+ years of experience in embedded electronics, display interfacing, and hardware-level integration, I focus on solutions that work reliably in real-world conditions—not just proof-of-concept setups. ✅ Select and integrate a suitable E-Ink module with proper mechanical fit or enclosure modification strategy ✅ Design stable interfacing (SPI/parallel + controller handling) between the phone’s mainboard and the E-Ink panel ✅ Ensure clean power behavior and battery safety with accurate consumption profiling The key here is making the display updates deterministic and readable, even with slower refresh characteristics of E-Ink, while preserving the phone’s original input workflow. Quick question: Do you already have access to the Navi C1’s display interface specifications or schematics, or would reverse engineering be part of the scope? If aligned, share any available hardware details and I’ll outline the most reliable integration approach. Regards, Avi Gupta Quality is never an accident