18
votes
Development board's charging unit in a custom PCB production
It uses the MCP73831 charger IC from Microchip. It's a very simple linear charger which only requires a few external parts, so there's absolutely no reason you can't use the circuit from the ...
- 24.7k
17
votes
Simulation versus Prototyping
Are their specific benefits to simulating even basic circuits before
building them?
The bottom line is this; if you simulate the circuit you are trying to design and the simulation doesn't show ...
- 473k
12
votes
How to make a re-programmable microcontroller
You want something called a bootloader. This is code that runs in the micro that can accept new code from externally, like a USB port, and write that to the micro's program memory. Then there also ...
- 315k
8
votes
Development board's charging unit in a custom PCB production
This depends 100% on the license to their intellectual property they give you. No general answer can be given. An example for someone who writes that out very clearly is Texas Instruments. Last page ...
- 100k
7
votes
Multiple(five) alarm time setting in stm32f0 mcu
Check AN3371 at the official website of ST.
However, according to paragraph 2 there are only 2 alarms (A and B).
Alternatives:
Keep 5 alarms in your own code, set the first alarm (A) as alarm 1. ...
- 14.1k
7
votes
Simulation versus Prototyping
The second part of the question is "opinion based" and out of scope for this site..
But, simulation is not something meant to replace real world testing. It's another tool in our development ...
- 6,661
5
votes
Simulation versus Prototyping
Some great answers here already. My sentiment is also that sims have replaced 90% of bench tests for me. Making good sims is a skill however, that one needs to develop. Component datasheets and models ...
- 23.4k
4
votes
Accepted
How to make a re-programmable microcontroller
I'd go for Arduino compatible for the first iteration, because Arduino schematics are publically available, so you can use them as a reference, they don't need many extra components and are somewhat ...
- 12.8k
4
votes
Accepted
What comes after you have programmed a Bluetooth Low Energy chip with Nordic SDK and are ready for deployment?
Development board to custom hardware:
Development Boards (dev-boards) are incredibly useful for quick prototyping. Typically, after validating your initial design using a development board, you would ...
- 1,631
4
votes
Accepted
Interrupts using member function
Calling the static member of the base class should work.
You just have to make sure the Instance pointer is correct.
This can be done with the singleton pattern.
Be ...
- 24k
4
votes
Smart-Grid project
Not really an answer but too long for a comment:
I want to build my own custom development board instead of using a pre-designed one.
Why on earth would you want do this ?
I understand the time and ...
- 2,045
3
votes
Interrupts using member function
If you are hell-bent on using C++ for some reason, then the correct solution is not to create one big "goo" class but to use OO design. Place the ISR as a static function - optionally it can ...
- 22.3k
3
votes
Accepted
Advise on developing (by self) in analog circuit design field
I would do self projects, I tried to start a business selling hardware. Then I found out that there is little money in that and I hate writing software so I bailed out. In the process I hand built ...
- 88.9k
3
votes
Developing photoresist PCB with UV bank note checker
The rule is not UV = UV = UV. UV only means the waves are shorter than what someone at some point called violet light.
If you look at this Material Sheet for a spray on Photo Resist, while it's not a ...
- 18.5k
3
votes
Accepted
incorrect voltage applied, dev board still worked
The module contains an extremely simple circuit:
The sensor is probably a mechanical one (metal ball or spring) so that works at almost any voltage. The opamp is an LM393 which works form 2 V supply ...
- 81.4k
3
votes
Development board's charging unit in a custom PCB production
The actual connections and choice of components of a circuit cannot be copyrighted, unless there is a particular artistic and not functional aspect to it. So you are entirely free to choose the same ...
- 9,666
3
votes
Development board's charging unit in a custom PCB production
Checking out the product information on the Adafruit site yields a link to the repository that contains the board's schematics and layout.
There is also an associated license there that explicitly ...
- 131
2
votes
Speed calculation using Accelerometer
You really can't calculate speed from accelerometers, in practice.
The accelerometer is actually just a gravity-tilt sensor when used on earth.
Any error is a tilt error.
Now imagine you have an ...
- 5,493
2
votes
Accepted
LPC1343 double pin functions
Looking in the user manual if actually found the pin function register. You can, just like the other pins, switch the function via this register. Which I still find odd, because you wouldn't be able ...
- 151
2
votes
Development Kit doesn't provide Real-Time Access to Data
The manual, on page 16, section "5.3.2.1 Board communication" says you can configure the interface to be a COM port.
In principle, this means you can send and receive data using many different types ...
- 618
2
votes
Accepted
How to control thermal printer from micro-controller and choose it
Although I have not used that specific printer, I'll answer based on previous experience with similar printers.
So to control the printer, do I just have to send bytes according to the command ...
- 18.3k
2
votes
Accepted
Is an FPGA the best tool to generate a continuous flow of square pulses with arbitrary amplitude?
An FPGA driving a reasonably fast DAC could work well for this application. 100 ns pulse width and 1 mV resolution with 1 V range implies a 10 Msps 10 bit DAC may be sufficient. Do you need to adjust ...
- 41.6k
2
votes
Development board or Individual Microcontrollers?
You are in it for the experience, so there are no realy bad choices. Just do a lot of tinkering!
That said, do start with a ready-made PCB. I'd suggest an Arduino of some sort (my favourite is the Due,...
- 48.8k
2
votes
Accepted
Emulating microcontroller peripherals
Preface
It makes a lot of sense to run the majority of the tests on a PC, compiled for the PC, at least to unit-test your application.
Yes, this way you don't run the target code, but that is not the ...
- 3,639
1
vote
Accepted
Is it beneficial to use production hardware over a generalized development kit?
Why you would build a custom system:
Full control of everything. Which is a guarantee for longlivety - since parts will eventually go obsolete.
Cost-efficient.
No need of icky adapters for supply ...
- 22.3k
1
vote
Best practices to manage hardware variants in Firmware develpment
Your question touches on a classic difference between high-level software and low-level hardware development. Hardware resources and memory to accommodate the firmware are much more limited as disk ...
- 191
1
vote
Emulating microcontroller peripherals
It mostly makes sense to test application-layer items on a PC, and only if you for some reason do not have the target hardware available, or in case you worry about special requirements such as ...
- 22.3k
1
vote
Development board or Individual Microcontrollers?
A typical Dev board is like one of these:-
Festooned with 'cool' accessories you probably don't need, that just get in the way and have to be removed before you can use it for anything serious.
...
- 57k
1
vote
Development board or Individual Microcontrollers?
You may know this already, but just in case anyone else needs it, I think it's important to note here that there is no difference whatsoever between the microcontroller on the dev board and the one ...
- 38.5k
1
vote
Accepted
What makes a microcontroller development board powerful?
I just punched "uC dev board" into the google, clicked the first link, for a "Teensy 3.2" and found the following under features. Note that every feature matters and there are many things to consider ...
- 4,143
Only top scored, non community-wiki answers of a minimum length are eligible