The cost tag has no wiki summary.
-2
votes
0answers
36 views
Independant Contractor Electro-mechanical assembly charges [closed]
I have the need for a higher-level assembly technician that can build brackets, standoffs, and cabinet hardware as well as make and solder wire harnesses to boards and connectors. What is the hourly ...
7
votes
3answers
395 views
Pull Switches - why so expensive
I would like to use a pull switch as a trigger for an alarm that I'm building. When the switch is triggered it will turn on a siren and potentially a strobe light. I've found plenty of options out ...
2
votes
1answer
87 views
PCB vias impact in cost
Often times I read comments/recommendations about placing lots of vias for GND in 4-layer designs, as well as a line-up of vias surrounding the board to protect from EMI, etc. I was always under the ...
-5
votes
1answer
80 views
Car Battery, storage, home reserve [closed]
Where I live there is a $.05per kilowatt differential in electricity costs called time of use. Everyday for at least 12 hours it is at its cheapest. From here I understand a car battery stores about ...
1
vote
3answers
197 views
Finding the right motor
I need a motor and I'm not sure what to be looking for. I know the power and torque I need (3 N*m @ 1200 rpm = 1/2 HP). Is finding a motor as simple as matching these two values?
Edit: The motor will ...
2
votes
2answers
350 views
Where do I find a list of Arduino DIY shields
I am interested in Arduino shields for fun, so I do not have a specific need. To save money, I would like to build the shields myself. Is there somewhere I can see a list of the most common, simple ...
3
votes
1answer
182 views
Price History of FPGA
My goal is to extrapolate (or estimate) the future prices of FPGAs and/or ASICs.
Does anyone know of the price history of FPGAs or ASICs? I am looking for a source of information.
I know that ...
-3
votes
1answer
98 views
What is the most monetarily cost effective way to buy computing power? [closed]
Assuming unlimited space and power what is the cheapest way to buy off the shelf processing power (GPUs, microprocessors, etc.)?
I am looking into doing a fluid dynamics simulation, with an ...
0
votes
2answers
431 views
Why some microcontrollers have so high price/performance ratio?
PIC16F877A is $6.72 / 1 pc, $4.68 / 100 pcs from Digi-Key.
ATMEGA328P is $4.98 / 1 pc, $2.77 / 100 pcs from Digi-Key.
LPC1113FBD48 is $2.24 / 1pc, $1.64 / 100 pcs from Digi-Key
I know ...
7
votes
5answers
479 views
Reverse engineer a chip or go with a new one and start from scratch?
I'm working on an existing toy product and the chip has been discontinued. We still want to produce more of this product. You press a combination of buttons and it talks to you.
What would be a more ...
23
votes
7answers
2k views
Why are digital oscilloscopes still so expensive?
I'm a beginner in hobby electronics and I am wondering
why digital oscilloscopes are still so expensive?
In times of cheap GHz CPUs, USB 3, ADSL modems, DVB-S receivers, blu-ray players which all of ...
15
votes
7answers
550 views
How do you find high-quantity prices for ICs?
I know of findchips.com, oemstrade.com, octopart.com, and the like. But even the lowest prices on these sites are still higher than the prices on BOMs I get from China. How do you realistically ...
20
votes
10answers
7k views
Cheapest FPGAs?
How cheap do FPGAs get? I know they're more expensive than microprocessors of comparable capability, but I wonder if there exist FPGAs that could contain a Microblaze soft core running Linux, while ...
