Upgrade an original PCB, add RS485 connectivity.

Best RS485 Design Expert at your doorstep! Dear Client, I can upgrade existing original PCB with connected RS485 through cat5 "Ethernet Port" for you. Please share me existing original PCB design with BOM, Eagle, and Flere

Hi Sir, I am expert of both hardware and firmware designs. I have handled many projects based on MODBUS protocols either MODBUS RTU or MODBUS TCP. I am expert of handling all kind of hardware designs and firmware de Flere

I have been associated with Hardware design (Circuit / Electronics design), PCB design, Library creation and Library database maintenance, PCB Manufacturing, Component procurement, PCB Assembling and Functional testing Flere

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 & PC Flere

Hello, I've good experience developing electronic devices, I can help you update your PCB, please send me more details about it, what is the MCU used? Best regards,

Thanks for Freelancer which gives chance to meet you. I hope you are good. I have read your description carefully and understand everything. I’m Electronics engineer who have 25 year experience on analog design, renew Flere

Hi I am interested to your project. I am familiar with electronics, microcontroller as well as PCB design by Eagle. Thanks.

Hello there. I hope to work with you because your project is very familiar to my past works. I can add a serial RS485 via cat5 ethernet port, code controller for Modbus RTU. [login to view URL] Flere

We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries Flere

Hi, I have more than 10 years of experience in embedded design and development. I have expertise in PCB design up to six layers using different CAD tools like Altium designer, Cadsoft Eagle, Kicad etc. I have hands on Flere

Hello? Let's discuss the project through chat so we can discuss the project in detail and start the project soon. Waiting for you. Thank you very much.

Hello, I am an electronics and telecommunication engineer and my major is wireless systems' design. I am experienced in hardware and embedded systems' design. I have designed/printed/tested many PCBs and I am quite exp Flere

Hi, I can upgrade original PCB with using BOM/Gerber files which will be able to connect Serial RS485 via cat5 ethernet as per your requirements for you. I have humungous experience RS485 based PCB design and would m Flere