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Not a member? You should Sign Up. Already have an account? Log In. To make the oopen fit your yardware, pick a username and tell us what interests you. We found and based on your interests. Choose more interests. I've made this my personal phone so the progress should be steady and fast as any bugs, problems, or needed features I'll need to open hardware cell phone case before I can use them, forcing me to do whats necessary is a pretty short amount of open hardware cell phone case. My goal is to have a single, handheld, portable, fits in pocket lasts a few hours, open source top to bottom, cell phone.

I will first develop all the software and hardware on shields, protoboards, and breadboards, and once I feel its sufficiently usable, and no other hardware modifications are necessary I'll make a single board with all the chips, display, and opeen on one board. After which I'll use a 3D printer to print a small case around open hardware cell phone case necessary components.

After that most likely do a crowdfunding campaign for anyone that wants to buy one. That to hagdware is great thing about open source, and being built by me and not some X company, that only cares about the money. I'm not in it for the money, I'm in it, because I have a vison of perfection, awesomeness, coolness, creativity, and overall, just one look at it, and think that's awesome.

If you can think of any features that sound cool, and are reasonable, let me know, I'd love to hear them. If anyone has questions don't hesitate to ask, I'm not pompous or an asshole like some people can be.

I want this project to be able to be recreated by anyone with rudimentary electronics and software skills, and by the time I finish and you follow all the steps you'll understand everything that took place.

There has been multiple hardware changes since the beginning of the project logs, please be aware. View all 9 components. Its been a while since I last updated my phoen, but with some time every now and then I've made over the course of the time some pretty decent improvements I think.

Here's just a simple overview of some of the changes, and the dates as I went through them. The new module is much smaller and easier to take to scale when the time comes, also including bluetooth.

See end of this log to see current set of features I've documented and implemented. Some features are coded, however they just came to hardwarr, and I didn't document them. If you notice some, please let me opeen. All the new files are uploaded on Github and ready for action. If someone has thoughts or somewhere I can go, please tell me. So I was wrong again on the implementation of the functions for scanning flip for horizontal and vertical, and the text Rotate.

Here's the logic needed, if 0 and false, remain false, if 0 and true, change to 1, if 1 and true, remain 1, if 1 and false open hardware cell phone case to 0. With my implementation it was just a switch statement, whether you used true or false, whatever is there will get a XOR of 1 or 0 depending on whether you yardware true or false, thereby switching no matter what. Currently all the functions are working as intended, but if you find otherwise just let me know and I'll do some debugging.

Hopefully this is the last revision of this particular code. So interestingly when I went to go write the code for harfware sending screen for SMS, the screen scanning functions didn't work.

This is where hardsare bitwise operators come into play. Now here's how they work. For all scenarios Open Hardware Cell Phone Device we'll be using 8 bits. If you were to read that back it would show But what ccell need to be looking at is the binary, for this you can do it by hand, or with a calculator, I used which one in the OS I was at the time, and I open hardware cell phone case confirm both Windows and Linux calculators have programmer mode, albeit I prefer the Linux version, straighter to the point.

So the number in binary is If we were to use the the binary sequence with the pjone XOR the result is as follows XOR hardwxre So if you follow the logic, everything is flipped so long as there isn't the same bit in the same sequence here's another couple examples.

If using OR then only one of the bits in the same sequence needs to be open hardware cell phone case one for it to be a one. The next step is to actually use them, and do real operations.

In the cpp file of the ra library, the function scanV is as follows. This is what allows us to tell the driver, hey we are referring to your register address in hex 0x We now have some unknown sequence, that right now we really don't care. So if its a zero, make it a 1, if its a 1, make it a 0.

For this operation I decided to use the XOR operator for the logic stated above. Now the number 2 is used because when we represent the number 2 in binary using 8-bits So now matter whats int haardware rest of the sequence we'll only flip the open hardware cell phone case bit. We would use the number 4.

So we can write any sequence of binary in any number want by just knowing the bit we want to operate. Another example its lets say we wanted to flip the 3rd, 4th, and 7th bit, again I would So a couple weeks ohone I got sick and although I hated it, it did give me a lot of free time to program, so this next roll out it a pretty big harfware.

Tons of code enhancements open hardware cell phone case optimizations, including new functions, but most of all the phone is looking awesome.

There is a new passcode lock, and dedicated screen, and new dedicated open hardware cell phone case for home, phone, and casf.

I also implemented a power led, new message led, and missed call led, along with a button to turn the display on and off, with a lock at each push, an open hardware cell phone case screen still don't know how.

Suffice it to say, lots of cool stuff, where the only missing is a send SMS screen, which I'm currently working on, and then its fully portable and ready to go, abliet low memory for SMS, open hardware cell phone case that'll come as a quick second thing to do.

The display driver uses 52mA, and the display uses mA while on. I'd like to double those numbers open hardware cell phone case possible, and get quite literally the lowest possible power consumption, while still workable. Which is why I'll be playing around with both the sleep modes on the SIM, and the atmel SAM, and possibly completely cut power to the display driver with a transistor, and a light sensor to open hardware cell phone case off display when the phone is up to a persons face.

All in the hopes of droping the power usage down to just a few mA, say like 10, giving me a 12 day standby time, and mA during call, giving a 77 hours talk time, which sounds a lot better to me. And just for you smart readers out there, I'm open hardware cell phone case mA right now just because its easier to estimate and judge, in the future I'll come back with exact watts.

As for now have fun, and hack away, its really starting open hardware cell phone case look cool, and act well I think. And if you need to check the chip, while everything is unplugged, do a continuity test from the GND pin to any of the voltage open hardware cell phone case, if its a yes, bye bye chip.

To replace the chip cheaply, which I currently don't have enough money for open hardware cell phone case hot-air rework station, I just used a frying pan on my stove top, and used my non-contact thermometer to guage the stove-top setting, shooting for around C.

Be prepared for small melts of the plastic, and little smoke from the bottom silkscreen. So I know its been a while but this is a good update.

I have completed all the software required to dial out, look at the number dialed, call, answer, receive, clear the screen etc. It tooks a little bit of doing, and a brilliant idea if I might say so, but the way I made the dial part work was to hack the open hardware cell phone case cpp uses strings.

In cpp it uses a character array in order to store the strings, and you can concatenate the string with an additional character.

Then define a new touch area with the character C, and have it send bufStr by serial1. So that too is an easy fix by using the toCharArray function in Arduino, with the resulting command looking like so. I then open hardware cell phone case to create a way to to see the numbers dialed in progress.

Suffice it to say, this was much harder, and in the end, I used a switch statement with each touch field. I guarantee this isn't the open hardware cell phone case way, but at this moment, Open hardware cell phone case couldn't find any other way to do it, and I tried a few, but I also guarantee its my inexperience in coding, so please chime in and correct me if you can or want.

So an example for the "1" celll it looks like. In this way each character is written in order, by the number in the array it falls to. Last is to place the call with touch zone "C". I have it reset the string open hardware cell phone case time whether C, A, or H was touched, letting H be almost a clear on all accounts. And to clear the text of numbers dialed I just draw right over the top of them. At some point in the future I want to be able to backspace a character, display a call coming in, have dynamic screens, and ultimately have text messaging, as right now all texts have to be answered by my computer.

And I haven't really looked further into off storage of texts, but a while back I saw an AT command for offload to storage, so I'll be exploring that further. Anyway good luck and have fun, next post will be all the units in oppen portable container.

But with each failure I learned something more that I either knew an immediate solution, knew what to look for, or know I don't know how to solve it yet. So the first problem with with the programming open hardware cell phone case on the Due. The Due wouldn't upload correctly continuously, so my first solution was to reset the com port in windows, in this case I just went through the driver Open Hardware Cell Phone 90 manager and changed the com port to port 5 and noticed you could change the baud rate Well the com port change didn't help, so next, google it.

I read through some forums where people were saying that R23 is 10k when it should be either shorted or 1k to be safe. So I went hunting through the schematics and diagrams of the Due to find that indeed R23 is in casee to the RESET for the Due, open hardware cell phone case an high ohm internal pull-up resistor 10k in series would significantly drop the voltage not allowing the RESET to go high, but this doesn't apply to me as my Due has the updated board with 1k ohm R23, damn, but there in lies the solution, the RESET probably isn't getting pulled high or perhaps some off pin needed to through into programing, as I do have more boards and chips being supplied by the ever so finite USB port.

So I threw on an external power vell at DV 9v ma and sure enough open hardware cell phone case all it took, programing and uploading fixed. Next was trying to register touches on the screen, yet for some reason when I did so I couldn't register any touch, well time to dive into the libraries and RA reference.

The solution lied in the fact that in order to receive touch input from the registers you need to enable graphics mode with. Next was to create a layout that allowed me to draw a matrix of x and y values that when touched would output a open hardware cell phone case function or character, while doing once, yet allowing it to be repeated, but only repeated after so long.

That one took a celo. In the end the best was to use a timer that I could use an if statement asking if the timer had passed a certain amount of milliseconds then read the value of tx and ty and perform this function.

This solution works pretty well, the input is pretty steady and consistent, while allowing for normal dialing speed, and repeating numbers in the dialing sequence. All the new code and files have been uploaded to use or follow along. My step is to take the input from the number pad, create a value, store the value in a buffer of some kind, then when asked input buffer into an AT command and write to the GPRS shield effectively So today I've been working on the numberpad and screen orientation as before I had to work upside down, and the orientation of the number were flipped left to right and visa versa, so now all thats solved.

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