24vac to Arduino ADC ( high impedance )

hi, i am an electrical engineer. i have expertise in embedded system design.i can help you with this project. Please check my profile for my previous work experiences. let me know if you are interested in the bid so we can discuss the details further. regards

Hi, I can help you. What i understand, you want to Read 24V AC line via ADC of arduino using signal conditioning. I can provide simulations, circuit diagrams and arduino sketch for the desired output. Please feel free to contact. Best Regards, Shahbaz.

Its an easy job and my bid includes schematic design as well as the PCB design so that you could build the add on circuit in a small modular board to connect with your arduino. Can you please provide the sensor details. Easy enough. Thank you very much and am looking forward to hear from you. Best Regards... Roy

Hi, I have a long experience in hardware and sofwtare product design and I am bidding this project based on that. I wish to know a few more details about the project for a better undestanding.. 1. Is the thermostat acting as a current source? As you know usually a current source usually has a high impedance specification but by using proper signal conditioning circuits it allows us to convert into proper measurable voltages. If you can share details about the thermostat it will be great 2. If it is a voltage source, is the worry about signal being attenuated (that you need high impedance for)? 3. Is the requirement for a schematics for the signal conditioning circuit? Thanks Vinod

Hi My understanding is that the thermostat prsents either 24ac or 0Vac depending on whether it is on or off and that the circut will transform this into a digital lsignal compatible with the arduino inputs. Protection and conditioning to be included. Powered form the 24ac line. I can design a small circuit that will satisfy these requirements. Kind regards Marc

I have 14 year experience in electronics and system designing therefore am very confident that I can do this project,following shall be the expected milestones: 1. Specification requirement document. 2. Schematics using Altium 3. Simulation of code and electronics (Where ever possible) 4. Software delivery. About my self , you can review my profile and my clients comments. Regards.

I obtain my Bsc degree in Electronic engineering and we have started new company with 4 professional engineers who are expert in Electronics and software such as embedded system designing, matlab, java , C+ , PCB layout .etc . we are currently doing UAV autopilot research, pulse oximeter based Bio medical research collaborate with Fluke company ,Arduino demo board manufacturing etc . also done several project with micro processors and one of industrial project was re designing PUMA 562 robot arm controller design with DSPICs, and Matlab, So we have sound experience with microprocessors and circuit design which can use to assist your project also. In your design we can use OPAMP buffer circuit to lower sink current and also we can use attenuator or a voltage divider to map 24V AC to 5V then we can remove one negative wave part from the signal and then get the maximum peak voltage. further detail u can discuss with me . thank you Chamika Gamage Electronic engineer

This can be done with a simple bridge rectifier, a voltage divider network and a zenner clamp for about $0.50 I can let you have the circuit in 10 minutes. Cheers Pete.

Hi there. I am a professional Electronics Engineer having expertise in making sensor interfaced electronics circuits with smart skills in AVR and other micro-controllers. I have expertise in making PCB designs over various well known software's. I can do this task. Contact me and have a discussion you need hardware or only designs?

ACTUAL BIDDER! NOT A SUBCONTRACTOR! Hello, have ample experience with Arduino and PIC based systems. Your project should not be an issue, i just need to know a few more details, but we can discuss those if you consider it fit. I can provide full schematic, simulation for the device as well as proof of working system if requested. KR, Victor Constantin

hi i can help . please go through my profile to have a look at my profile. please GIVE ME A CHANCE TO PROVE MYSELF, please reply to discuss it further regards

Hello, Let me introduce myself I am yasir amir khan. I am electrical engineer, running an online consultancy business, with several years of project related experience. Please check out my profile. and search my name on web, I have also authored several books and papers. Please note: 1- I have a very high completion rate record this means hire me = your job done ! 2- I am offering the best rate in market. 3- Experience of working on numerous similar projects. 4- Best in the area of electronic designing, test me and you will agree! Thanks Yasir A.

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I have a great and long experience in electronics (almost 35 years) including designing analogue and digital circuitry, programming in C AVR and PIC micro-controllers, simulating electronic circuits with simulating programs. I am expert in Eagle Cadsoft designing and I have my facebook page about it.

Hi, This looks very simple and I can turn it around pretty quickly, I have 30 plus years working as an electronic engineer for major electronic companies and play with the arduino quite a bit. I also have a very good idea what is required to keep the thing immune to interference from rf and electrical noise. Regards Steve

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