Find Jobs
Hire Freelancers

Digital timer

$1500-3000 CAD

Fechado
Publicado há aproximadamente 9 anos

$1500-3000 CAD

Pago na entrega
Design a circuit for a 24 hour digital timer with a time of day LCD digital display. It needs to be able to set the hours and minutes of the day, and activate a 115V circuit for a set period of time (not user adjustable). Much like a common digital light timer for home use, but not user programmable, fixed activation schedule. A surge protector built in and an internal battery backup for power failures is necessary. The only buttons it needs are time of day (Hrs, Minutes) set, and a reset button. The rest will all be fixed internally in the programming.
ID do Projeto: 6920471

Sobre o projeto

56 propostas
Projeto remoto
Ativo há 9 anos

Quer ganhar algum dinheiro?

Benefícios de ofertar no Freelancer

Defina seu orçamento e seu prazo
Seja pago pelo seu trabalho
Descreva sua proposta
É grátis para se inscrever e fazer ofertas em trabalhos
56 freelancers estão ofertando em média $1.841 CAD for esse trabalho
Avatar do Usuário
hi I am an expert embedded system designer. I can do it for you. I have completed a project same as you need. PLEASE REPLY TO GET THE DESIGN. I CAN DO IT FOR EVEN FOR LESS AMOUNT. PLEASE GIVE ME A CHANCE TO PROVE MYSELF. I GIVE MY WORDS THAT YOU WILL GET QUALITY WORK. Waiting for your response. Regards
$1.500 CAD em 20 dias
4,8 (244 avaliações)
8,0
8,0
Avatar do Usuário
hi, i am an electrical engineer. i have expertise in embedded system design and Matlab.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
$1.900 CAD em 15 dias
4,8 (58 avaliações)
7,7
7,7
Avatar do Usuário
I am working as Lab Engineer at FAST National University Pakistan, in Electrical Department, I have conducted the followings Labs, and also supervised Projects related to these labs. 1. Control System Design & Modelling (Matlab & Simulink) 2. Digital Logic Design (Verilog, VHDL) 3. Digital System Design (Verilog, VHDL) 4. Computer organization & Assembly Language (8086 processor, 8051 controller) 5. Electric Machines 6. Circuit Analysis and Design etc. I assure you, if you assign your project to me, you surely gonna work with me in future.
$1.500 CAD em 5 dias
4,8 (177 avaliações)
6,9
6,9
Avatar do Usuário
Hello. I have some questions: Inform me what size LCD-display do you need? Also interested in what period of time must ensure work a backup power source? How much electric current for 115V, consumes circuit, for activation?
$1.500 CAD em 25 dias
5,0 (41 avaliações)
6,7
6,7
Avatar do Usuário
Hello, I have been associated with Hardware design (Circuit / Electronics design), PCB design, PCB Manufacturing, Component procurement, PCB Assembling and Functional testing for over 7 years. I have used various CAD/EDA tools for PCB design. Would you prefer any specific EDA tool for PCB design (or) any tool is okay? I will provide the PCB Manufacturing, Component procurement, PCB Assembling & Functional testing services too. Thanks & Regards, Karthik
$1.666 CAD em 30 dias
4,8 (124 avaliações)
6,7
6,7
Avatar do Usuário
Dear Sir, we have past experiences with microcontroller designs for newest concepts. please see our profile for our past projects. we will provide 1. schematic diagram 2. PCB design 3. main controller firmware 4. 1 nos working prototype (on project boards) please contact us for more information. best regards Lasantha Prasad
$1.500 CAD em 15 dias
4,8 (31 avaliações)
6,9
6,9
Avatar do Usuário
Hi, Have a great Day and Happy New Year. I can provide the working circuit. we will built the required circuit here in our lab and show you its working via skype. Once you are satisfied with working of the circuit. we will ship it to your country. please feel free to contact. Best Regards, Shahbaz.
$2.778 CAD em 30 dias
4,6 (62 avaliações)
7,1
7,1
Avatar do Usuário
Hello I can do this thanks .......................................................................................................................................................................
$1.666 CAD em 40 dias
4,7 (37 avaliações)
6,5
6,5
Avatar do Usuário
I have over 35 years experience as an electronic design and PCB engineer, please see my profile for more details I have lots of experience with micro controllers and interface circuits in general. Therefore I could easily implement your requirement The deliverables would be as follows:- 1. Circuit diagram as a pdf 2. Items list fully costed using distributers part numbers as an excel spread sheet. 3. Custom PC layout with assembly as pdf for approval. 4. Gerber files for PCB layout 5. Firmware in C fully debugged. 6. One prototype units assembled and tested I estimate the following price and timescale for each milestone Items 1 and 2 would be $250 and take 3 days Item 3 and 4 would be $200 take another 3 days Item 5, would be $200and take another 3 days (In parallel with PCB fabrication) Item 6 would be approximately $400 for PCB fabrication, parts and assembly plus $350 for my time to arrange assembly, test and evaluate This would take about 4 weeks. Delivery cost would be around $100 Best Regards Dave Lelievre
$1.500 CAD em 30 dias
5,0 (27 avaliações)
6,3
6,3
Avatar do Usuário
Hello. Im designing different electronics devices, mostly based on avr, arm MCUs and boards with them like arduino, stm-discovery etc. I can help you with your deal and since im new one here I can do it cheaper then anybody. (autopromotion^)) I have some questions, but they are not important on this stage. I can do full design, prototype, help with manufacturing.
$1.500 CAD em 20 dias
5,0 (53 avaliações)
6,0
6,0
Avatar do Usuário
Hi, We already done similar timer applications as part of the scheduled load controlling & power saving systems. We can provide you a better solution according to this requirement. Here the main criteria is the maintaining of the RTC accuracy. Happy to hear more from you. Regards, Geo
$1.500 CAD em 30 dias
4,8 (7 avaliações)
5,9
5,9
Avatar do Usuário
Dear Sir My bid is for fully working prototype Please fell free to contact me so we can talk more about project. Kind Regards
$3.000 CAD em 30 dias
5,0 (12 avaliações)
5,1
5,1
Avatar do Usuário
Hello, Our team specialized in PCB design and system programming so we really do have the necessary expertise. We have experience with different microcontrollers, sensors, LCD displays. In our profile you can see portfolio, but in not a complete, because some projects were made with NDA, so we can’t share them. We had one project about lighting control system (this project was made with NDA) last year. It is really interesting project for us and we are confident that we can complete it in time and with the agreed budget. We’ve explored all information you provide about the project. We estimate it in 80 man-hours and $600. We can divide your project into several milestones: 1) Components selection and circuit design (25%); 2) PCB design (25%) 3) Making prototype (10%) 4) Developing firmware (30%) 5) Finalizing and bugfixing (10%) Ready to discuss details or answer your questions. --- Best regards, Egor
$2.500 CAD em 30 dias
5,0 (20 avaliações)
5,2
5,2
Avatar do Usuário
Hi, I am perfect for this project. 115V circuit is AC or DC ? And what's the wattage of the circuit? Below quoted prices are for estimation. When everything clear between us then I will re-quote. Please do not hesitate to write back if you consider. Thanks, Sam
$1.777 CAD em 30 dias
5,0 (18 avaliações)
5,0
5,0
Avatar do Usuário
Hello! I can do it. pls, see my portfolio. I have experience with creating digital timer circuit. I can make circuit with very low power consumption. I use altium designer. Also I am always make prototype and send to customer. Final payment only after show video of working prototype. Best regards, Marsel
$1.500 CAD em 15 dias
5,0 (6 avaliações)
5,2
5,2
Avatar do Usuário
Hi, I'm a hardware design engineer in Vietnam I'm also a new freelancer I have many experiences in programming for microcontroller, circuit design, PCB layout... I think I will complete this project in the shortest period of time and you will be satisfied! Have a nice day! Best Regards, Binh
$1.500 CAD em 20 dias
4,9 (12 avaliações)
4,8
4,8
Avatar do Usuário
i am an electronic engineer with 4 years of experience. i can design this circuit and provide the required firmware. i can build a test prototype as well and test it in simulations. if required i can provide explanation to the working of the circuit and help u understand it. please contact me to discuss details.
$1.500 CAD em 7 dias
5,0 (7 avaliações)
4,0
4,0
Avatar do Usuário
the desgin will be done in 10 days the price include the circuit and PCB desgin need more information about the prototype good luck
$1.500 CAD em 30 dias
4,7 (8 avaliações)
4,2
4,2
Avatar do Usuário
Hi i can help you with extensive professional experience in Electronics (Digital, analogue & Embedded) design and development. I believe in quality work. Contact me and send me details. Feel free to ask me if you have any queries.
$1.555 CAD em 10 dias
4,5 (2 avaliações)
3,9
3,9
Avatar do Usuário
I have BS, MS and PhD degrees in Electrical and Electronics Engineering from one of the most reputable universities in Turkey and have 15 years of analog and microcontroller based systems design experience (both hardware and firmware) and 5 years of RF design experience. I am founder and manager of an R&D company focusing on analog and embedded systems design. We can use character LCD or graphic LCD as display. Alternatively, we can use specialized timer LCDs if you can provide or suggest one. Please note that: - the cost of shipping, if necessary, from Turkey to your location is not included in the bid. - end-product plastic/metal casing design/molding cost is not included. However, if you can provide a drawing for the casing, we can adjust the placement of buttons, etc. accordingly. Alternatively, we can design the casing at extra cost. - FCC/CE certification are also not included since independent laboratory costs exceed this amount. However, we design all of our circuits with LVD&EMC tests in mind, which results in minimal effort for certification. For this design, the surge protector will be designed according to related standards. We currently have design alternatives for different levels of protection up to 15kV surges. Finally, please note that the requested prepayment is only for nulling the immediately taken 10% site commission. We found it necessary because of employers who disappear after awarding the project.
$1.600 CAD em 21 dias
5,0 (2 avaliações)
3,6
3,6

Sobre o cliente

Bandeira do(a) CANADA
Canada
0,0
0
Membro desde dez. 30, 2014

Verificação do Cliente

Obrigado! Te enviamos um link por e-mail para que você possa reivindicar seu crédito gratuito.
Algo deu errado ao enviar seu e-mail. Por favor, tente novamente.
Usuários Registrados Total de Trabalhos Publicados
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Carregando pré-visualização
Permissão concedida para Geolocalização.
Sua sessão expirou e você foi desconectado. Por favor, faça login novamente.