PCB designer based on completed opensource projects -- 2

Hi, I have almost 13 years of experience. I have read the details and have a few questions. Please get back to me to discuss it further. Waiting For Your Response. Thank You

Best Raspberry Pi Hat Design Expert at your doorstep! Dear Client, We can help to design and develop PCB based on "Raspberry Pi 3/4 Hat" with max31856 pinout, smoke detector, control box for you. We couldn’t stop ourselves from bidding after going through the description as they are an exact match with our skill set and experience. We have extensive experience in "Raspberry Pi Hat" based PCB design, Microcontroller design and know all the intricacies required to get the job done with perfection. Please message me for robust and reliable "Raspberry Pi Hat" development. With more than 15 Years of experience in PCB Design and Circuit Design in Altium, We can ensure you best quality work and before time delivery. Following is a brief list of expertise that we are carrying: 1. IOT products 2. Microcontrollers based circuit design – STM32, STM8S etc. 3. Smart Products like Smart watch - GSM/GPRS/GPS etc. 4. Wireless Products - BLE/Wi-Fi- ESP32/ESP8266/NRF24L01 5. Raspberry Pi Hat 6. Max31856 7. Smoke Detector Please answer the following questions: 1 What are your future plans with this project? 2. Are there any specific market standards like CISPER you are aiming? Let’s have a quick discussion for 5 mins where we would formulate a plan of action of how we shall take this project to the horizons of success. The Price mentioned is for indication purpose and exact would be calculated after requirements finalization. Regards Avi Tech Experts Quality is never an Accident

I have over 35 years experience as an electronic design engineer, please see my profile for more details. Because of my wealth of experience, I will be very pro-active in advising you best solutions to meet your requirements. The current price and timescales are only place holders to allow me to communicate with you I would prefer to work in milestones but cannot define these until I have more details I have implemented quite a few Raspberry hats now, so feel sure I could help you Please can you send me further information Best Regards Dave Lelievre

Dear Valued Employer, My name is Martin and I am an engineering physicist with extensive experience in the field of circuit design, circuit prototyping and PCB design. As I understand from the project description you are looking for an electronics engineer capable of merging a gas detector and a thermocouple amplifier into a single HAT PCB according to all stated requirements. So, without further ado here's how the workflow would look like, if you happen to choose me as a partner for your project: 1. Initial discussion 2. Proposal for solution 3. Schematic drafts 4. Component library creation 4.1 Schematic symbol library creation 4.2 Footprint library creation 5. Schematic drawings 6. Review of schematic drawings 7. Layout design 7.1 Components placement and arrangement 7.2 Stack-up configuration 7.3 Components routing 7.4 Review of final layout design 8. Final check, verification and validation 9. Production files (GERBER, NC DRILL, ASM, PICK & PLACE, STEP, BOM, SCH, 3D PDF) Delivery term could be further negotiated once I start working on the project. Don't hesitate to contact me with questions regarding any details around your project. You could also check out my profile on Freelancer for more details around my professional experience. I am looking forward to hearing from you soon. Thank you for you time. Kind Regards Martin K.

Hello, I am an electronics and telecommunication engineer and my major is wireless systems' design. I am experienced in hardware and embedded systems' design. So far I have designed/printed/tested many PCBs and I am quite experienced with RF design(matching networks, filters, power dividers, feed networks, power amplifiers, differential pairs/signals), EMI(Clearance areas,shielding, conducted interference, common mode, etc), LVD, high speed data communication. I have checked your requirements I am quite sure that I can help you with your project. Just give me all the details and I will do my best to help you. Best regards

Hi This Project is very interested and I can design and develop PCB based on Raspberry Pi 3/4 Hat with max31856 pinout, Control box for you. I have humungous experience in Raspberry Pi 3/4 Hat based PCB design and would make the solution cost effective, robust, and efficient. If you are looking for reliable design partner please message me now. I provide services of PCB Design, Circuit Design, Circuit Review, PCB review, Circuit simulation, IOT products development and Sensor conditioning product development. The expertise of mine is in the following fields: 1. Wireless Products – BLE, Wi-Fi, NFC, Lora etc 2. Power Electronics- Buck, Boost, Flyback, Half Bridge etc 3. IOT sensors interfacing – Pressure, Temperature, Moisture, PH etc. 4. Microcontrollers- ESP32, STM32, STM8S, RL78 etc. 5. GSM, GPS, GPRS, NBIOT 6. Max31856Pinout, Smoke detector After reading your project details, I have certain queries and suggestions: 1. What is the application of this product? 2. What will be ambient temperature of this product? 3. What are the mechanical constraints to be taken care of? Please try to answer these questions based on which I would be providing free of cost consultation. The Price mentioned is for indication purpose and exact would be calculated after requirements finalization. Waiting for your message, Regards Hari Mohan Engineering for one is a magic for others

Hello Dear Sir, I am an experienced electronics designer with a passion for creating and deploying hardware that will have a positive impact on the world. I have a demonstrated history of working on many successful products and programs with specialization in electronic design, high-speed and analog PCB design, embedded software, and embedded system design. I have a strong program and project management track record with the skills required to successfully complete any hardware project from concept through to production. Please contact me to discuss more details . Best Regards. Rabie.

Hello, thank you for your job posting. I have 5 years experience in PCB and circuit design and Manufacturing, Embedded programming, and i can help you with any kind of request in these fields. I will do my best to satisfy the clients with my excellent skill and help them achieve their goal. You give me the opportunity, then i will give you the perfect result in return.

Hi There. E.E Syed Hasnat Ali Here. 5+ Years Of Experience In Field OF Hardware Engineering/Development/Diagnostics/Manufacturing Etc.. Most of my experince related with Wearables Smart Devices, Tracking System, Solar Power Solutions With MPPT Technology, Automotive Metering, Analog Signal Conditioning, SMPS Parallel LLC/PFC, DC/DC AC/DC DC/AC Buck/Boost/BuckBoost Sepic Flyback etc.. Complete Power Solutions, Weigh Scaling, Digital Signal Conversion To 40mA Analog Signal Industrial Based, Security System, Motor Drivers BLDC/DC/3Phase Star Delta/Steeper/Servo and H-Bridged, Communication Protocols 4G/GSM/LoRa/Zigbee/Wifi/BLE/LiFi/RF etc.. Have deep knowledge in Highspeed, Microwave 5Ghz and more, Analog Based Digital Mixed Signal Designing For more info check my profile portfolio items Regards Syed.

Hi there, I checked your links about Pi an dsmoke sensor. I can design the schematics and PCB, do testing and som firmware developments works. Do you also need PCBA and mass production? Not only designing, I can deliver fully-working tested samples in any qty directly to you. Thanks, Bhavya

Greetings, I am honoured to get this opportunity of being able to assist you with this project of Rasberry Pi Hat PCB designing and development. I am an electronics engineer have over three years of experience as a professional circuit and PCB design engineer. I have developed many projects like this for different industries including Education, IT, ISP and individuals like DIY Creators etc. You can checkout my diversified portfolio at https://www.freelancer.com/u/nuamansaghir I can provide you the best solution for speed control of the ventilation syatem that you have mentioned in your project brief which takes 0 to 10v as control signal. There are many options available for resolving this issue and one of them is to generate analog voltage via PWM or DAC and amplify it if necessary and other is there are many dedicated chips for this purpose which take digital data and genrate analogue voltages. I would like to offer you my sevices for funding the best solution for the subjected issue and deaigning a PCB for the project. Thanks for precious time, I am looking forward to get your earliest response. Best regards, Nuaman Saghir

Hi, I've been using raspberry for 24/7 automation system for over 3 years, I design the hat myself. I can help you attached thosee sensor into one PCB, and i can guide you to the manufacturing process.

Hello How are you? Thanks for your posting job. I have read your project requirements and I am 100% sure I can complete your project perfectly. ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ I have 15 years experience in Circuit & PCB layout design and Microcontroller Firmware design. I will do my best to give you satisfactory results if you hire me. Please discuss about your project in more details. I can deliver your job efficiently within timeline. If you hire me, I think you won't regret. Best regards. Thank you Koba

Hello,Do you want to design pcb with altium. how meny layer? I have a master's degree in electronicengineering and have been working with software since 2012. Hope for your very soon reply. Best Regards,

Hello, I have 10+ years of Embedded product design with multiple domains like a consumer, industrial, automotive, IOT and wearable product. -Hardware architecture design using MCU, controller, and FPGA, as well as low power battery, operated device -Experience in all phases of product development from prototyping to mass production -Experience in Schematic and high-speed PCB layout board design with multilayer PCB design, Blind & Buried Vias in HDI Design. -Expertise in hardware testing and troubleshooting/root cause -Working experience on power management system design with Buck-boost, Battery charger, and fuel gauge, USB3.0 Ctype and PD charging, POE and etc -Expertise in design and simulation of analog circuits -Experience in Microprocessor and microcontrollers like NXP, ST, Microchip, Marwell, Qualcomm, MediaTek, TI, Renesas, and Atmel -Exposure in mechanical design review -Expertise in wireless SOC with Bluetooth, WIFI, 4G, Lora, Zigbee from NXP, Nordic, Ublox, Qualcomm, Cypress, Broadcomm, TI, ESP, Silabs, Microchip -Experience in wire interface USB2/3, SPI, I2C, UART, HDMI, Ethernet, SDIO, MIPI-CSI/DSI, CAN, Modbus, RS232, RS485 -Expertise in solving problems of EMI/EMC -EMI / EMC compliance testing and product certification like CE/FCC/UL and etc Also, We have a team for software development, firmware development as well as CAD design. we will define milestone and adjust amount after discussion Let me know if you need help from me. Thanks. --Alpesh

Hi, I designed a few hats for RBPI. I can show it to you. I implement our customer’s needs into commercial products for the global market. From conceptualization to mass production, LED32 Lighting carries your LED driver, sensor, or LED module through the entire development cycle. Our clients not only receive electronic engineering services, but also a competitive product to lease and sell in their target markets. Best regards,

As a highly skilled PCB designer, I can help you perfectly. I am very confident with my skills and I'd like to help your business by doing my best. My clients have never been frustrated with my work and I hope to make you one of them. Please confirm that I am one of the best fits for you and drop me a message for further discussion. Thanks and Best Regards

I'm an Electronics Engineer with great experience in circuit and PCB design. In my profile you can see some of my projects with its 3D renders. I can give you a final project with Gerber files and Bill of Materials (BOM), ready to production. I also developed several devices and monitoring systems based on Raspberry Pi, so I'm interested in the project.