Questions tagged [Printed circuit boards] (39)

3
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As the CPU executes instructions?

As the processor-implemented commands? I know the scheme simple computer. Elements, ALU, registers, cache, decoding the commands, dividing them by elementary operations (and the speech of them as they are?). Take command JNE (jump not equal). What would it be executed, the processor must take the result of cmp and send $ei...
1
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How best to implement a simple energy-efficient compact recorder (a device)?

You need to design a relatively cheap device capable of continuous recording dozens of hours of audio (voice) on a single charge. At the same time it must be sufficiently compact and lightweight that it can be worn as a clip on clothes. It is important to clearly distinguishable voice of the owner and people in the immediat...
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As for Proteus to make the slot on the Board?

Good day, spices on Proteus. It is necessary to make a slit in the circuit Board (dielectric barrier). Earlier in the Proteus Board is not engineered, I can't find how it is done.
Dashawn.Nolan57 asked April 1st 20 at 16:59
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Where can I order the PCB with the adhesive?

In fact it is a small area 9x2 cm, with 4-5 sensors and a small harness. It is desirable that the charge was palpably (on a very thin PCB or foil). Form factor does not allow to use screws or clips, but just a stick - no problem.
elli asked April 1st 20 at 16:52
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Not the monitor turns on while the lamp is lit. What could be the problem?

First the crazy touch button. They if you had pressed. It appeared the menu, brightness settings, it was switched off (as if the button is pressed). Turned off, turned on and now this: it turns on, runs for a second or two, and then the screen turns off, although the lamp is lit in blue (as if it is running). Hyped. A coupl...
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Where to find the man who will design the PCB?

I'm doing the robot lawn mower. Now all the modules( control Board, motor drivers, relay) single shelf modules and connected by wires. Required to make a payment that will pripiats ready-made modules. Where to find the man who will design the PCB?
Addie_Konopelski asked March 25th 20 at 13:12
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How not to burn the components of the Board tester?

In which position the turn button on the multimeter to test this Board from the washing machine?
Dejon_Abbott18 asked March 23rd 20 at 20:35
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Need a 3D model of the phone, you know where to get it?

Guys, please help urgently need to find a 3D model of the inside of the phone (PCB and other components), the Internet finds only package models, and technical models do not. I have research and need to calculate out-of-band radiation from mobile phones, but without the model it will not work. Save whatever they may be
Lonnie10 asked March 19th 20 at 18:43
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Altium Designer vs. Cadence Allegro vs Mentor Graphics Expedition/Pads?

Please help me to choose end-to-end CAD PCB. While colopus Eagle + Topor. Not convenient: change something in the schema begins... From wishes: — a large library of components — good autorouter — easy to learn — analysis of interference and mutual interference — simulation (optional) Would be grateful for a small revie...
madge34 asked October 3rd 19 at 20:36
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What power and type of laser to burn the tracks in the manufacture of printed circuit boards?

If someone has experience or attempt to obtain tracks in the manufacture of printed circuit boards? Any range you will need the laser and its power? Required CO2 monster power more than 100W?
Aliza.Glov asked September 30th 19 at 13:54