It has been since I was a kid since I built & soldered things, but need to build 5 of these devices for a “simulation” so I’m looking for some help with the design.
I do have an Arduino Leonardo, and have done some very simple (the samples) programming with it, and am wondering if this might be a way to go build these. But am flexible on another Arduino board, OR a standalone IC chip.
Here is what I am trying to build (see uploaded crude diagram of my thinking on the circuit/components):
PURPOSE: This is to SIMULATE the “locking” of a door, and then the “unlocking” of the door when you enter the correct 4 digit code. This does NOT control a door, just the red light, green light and buzzer.
-Keypad/IC that can be programmed with two 4 digit codes [lock and unlock] (or could be done via program if using Arduino). 4 digit code must remain when power fails.
-Green light turns on when power applied and is in “ready state/disarmed”.
-Entering the 4 digit LOCK code (and probably #), on the keypad “arms” the circuit. Meaning that #1. The buzzer sounds (probably in a pulsing pattern for a 5 seconds, then turns off), and then #2. The red light turns on and stays on.
-When you enter the correct 4 digit UNLOCK code (and probably #), the circuit goes back to “ready state/disarmed” meaning that #1. The red light turns off, and the green light turns on.
-Device now back in “ready state”, “armed” again and the cycle can start over again.
-The 2-light/buzzer combo unit [that I must use] is 24VDC, so I don’t think I can run that directly from the board/IC, so will probably have to use a relay. This 24VDC 2-light/buzzer combo unit is the only part that is already determined and must be used ([url removed, login to view]) . All other parts are flexible.
-Need to put the IC/Board/Switch in a project box.
-Of course cheap, reliable, and easy for an amateur to build ;)
-diagram/schematics of a circuit/device that meets the specific requirements above.
-parts list that is readily available from US suppliers (part numbers and/or URLs preferred)
-Working, well documented Arduino code/program if that is used.
-50% after above deliverables are supplied, then I will order parts (for one unit) for fast shipping to test.
-50% after design/device is assembled and tested.
Greetings! I would be happy to do your project. I can ensure for you high quality and fast work. I have great teaching skills where I'm working as a lecturer at a university. To check my work quality YOU Daha Fazla
14 freelancers are bidding on average $68 for this job
Hello Sir. I can do what you need with quality and reliability. Please read more about me: I work with electronics circuits (digital, analog, mixed and of power) and embedded products with microcontrollers since 199 Daha Fazla
hi, i am an electrical engineer and i have an experience in designing electronic circuits, PCB layouts and microcontroller based embedded systems. i can design your project with efficient output response. for furth Daha Fazla
Hello! I have experience programming in C / C + + for almost 20 years. Devices based on Arduino, I'm doing more than 3 years. I have experience writing applications "client-server" for the Arduino. I have experienc Daha Fazla
Hi I can write the program for you.........................................................................................
Hi! My name is Sebastian. I am an Electronics Technician and have plenty experience using Arduino boards. I'm sure I can help you with your project, developing the software and the required circuits. Also I can hel Daha Fazla
Hello! My proposal is to implement this on an arduino uno based board. 1day to provide schematics, 4 days to write code and debug. I have all to develop the firmware (arduino uno, the keyboard, leds). Some issues must Daha Fazla
I'm Mechatronics engineer. What do you want it's call an "Access Control". I have made Access controlers on Microchip's 18F4550 pics connected with a PC and a webcam; but if you have an Arduino is much easier. Daha Fazla
Hi, I have a lot of experience in electronics and CAD designing. I can do this device for you within 2 days. I can send many of mine works. I was designing devices such as: mars rover (competition University Rover Ch Daha Fazla
I am new to Freelancer, But have 6 years of experience in Embedded Design and Development. Finished more then 10 industrial products.