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Consumer Electronics

Ask questions here about the electronics you use every day: from phones and computers to kitchen appliances and radios.

4,952 Questions

How do you increase the power of a red laser pointer?

Well, I know how, but it's not a good idea as it will make the laser produce more ir radiation, which is not good for you at all. I recomend buying a new laser. techlasers.com is the best, i just bought the 125mW infiniti, and its amazing. Also,you can replace laser diodes inside the red laser pointer,laser diodes are available on freaklasers.com

How do you reset a Motorola 3.6v?

Not a lot of info here, but if it's a battery operated device, just disconnect (remove) the battery for a few minutes. It should bring about a `hard reset` of the microprocessor.

Bulbasaur Charmander or Squirtle?

i depends on what type you prefer like my favorite is grass type yours could be water maybe fire HOPE THIS HELPED A LOTREMEMBER CHOOSE THE ONE YOU PREFER

How to reset ink level on HP printer?

A new print cartridge should do that for you. Unfortunately, most printer manufacturers report a low ink level FAR sooner than they really should. Often there is still more than half of the ink left in the cartridge when they start reporting that you should get a new cartridge.

They are in the business of selling print cartridges and they almost give away the printers. They try to get you to buy replacement cartridges long before you need them.

If you can, just turn off the ink level reporting feature and have a spare set of ink cartridges waiting.

What is an explanation of nor gate?

1. Explain NOR gate as Universal Gate

A NOR gate is a simple OR gate with an inverter (NOT gate) at the output.

NOR gates are considered Universal Gates because thay can be configured in a few different ways.

Connecting the inputs on a NOR gate will result in a NOT gate (inverter).

Connecting the above to the output of a NOR gate results in an OR gate.

How do you reset a Digital safe keypad Honeywell 2054SB model this has the finger scan also.?

Use a pen or similar object to press and hold the reset button on inside of the door for 30 seconds.

If the battery is not in use is it better to disconnect it and emptied the battery and keep it in dry place?

Rechargeable batteries will store for short periods of time, but I suggest you fully charge it first. Batteries will also, over a period of time discharge themselves while in storage, so it should be recharged from time to time. How often? It depends on the type and size of the battery.

Emerson 277 bluetooth headset pin codes?

Most default codes for bluetooth accessories of any sort are 0000

Why does my Bose lifestyle system's headphone connection sound so low?

If your Bose system is working correctly, chances are that the impedence of your headphones are loading down the output causing the lowered volume.

I'd suggest you try a different set of headphones and see if that helps. Maybe try a lightweight set from an Ipod, portable CD player, etc. and see if it improves. In many cases, the older 8 ohm headphones generally don't work too well with today's audio equipment.

How could biometrics be used in a smart home?

Biometrics is not as safe as you might wish, they hack your finger off and use it to enter a home, haven't you watched enough tv yet?

Can you exchange images from iPad to blackberry torch?

Yes

If you install an App called PingChat you can send pictures to your friends or yourself

PingChat is found on the App Store and The Blackberry App World

P.S You'll need two accounts to transfer the pictures

How do you find 'hammer' on mystery tales time travel for Nintendo ds?

If this is the Victorian Canal area, the hammer is between the two bollards near the canal. If this is the Roman Cottage area, the hammer is on one of the columns leading to the garden. If this is the Roman Arena area, the hammer can be found on the chariot's wheel. If this is the Secret Chamber area, the hammer is on one of the arch's pillars. If this is the Labyrinth Garden area, the hammer is on the stone pathway.

You can also find a wooden hammer in the Sacrificial Altar area, as the ear of the jaguar head statue in the lower left area.

What is earth fault loop impedance?

An earth-fault loop is the path taken by the fault current, when an earth-fault occurs within an electrical installation, and comprises a series circuit made up of

  1. the utility company tranformer's low-voltage winding,
  2. the utility company's distribution cable's line conductor,
  3. the consumer's line conductor to the point of an earth fault,
  4. the consumer's earthing conductor,
  5. and the resistance of the earth path back to the transformer.

The combined opposition of this series circuit to the flow of fault current is termed the earth-fault loop impedance, expressed in ohms.

Can you use a regular bulb in a heat lamp socket?

Never put a bulb in a light socket what has a higher wattage rating than the socket. This could cause either or both of the following problems, which could result in a fire:

  • excessive current will cause heating of the wires providing power to the socket
  • the higher wattage bulb will be hotter than expected and may ignite the lampshade or other parts near it

Which stereo hot wire needs a fuse in between the battery and stereo?

I think you answered that question yourself, when you said, `hot wire', which usually means the positive battery power lead.

What is material made of a zener diode?

SILICON same as any other diode but with different characteristics

How do you calculate diameter of a copper wire conductor and how do we calculate resistance of a copper wire conductor of a particaular length?

You go to the NEC and look at the chart for developed length and the ambient temperature and the load factor and if it solid or stranded wire as stranded allows for more voltage

What is the difference between a shielded and an unshielded speaker cable?

The difference between a Microphone (shielded) cable and a normal speaker cable is that, When we use a microphone we use a balanced or shielded cable (with the three pins, XLR or cannon), not a normal two wire speaker cable. We use this because the single coming from the microphone is at mic level, below LINE level (less than 1 volt). The shield on the mic cable is connected into the mixer or amp. The shield wire (RF, Radio frequency interference) single its 'waves' are then flipped (reverse phase) to cancel the interference out, any excess interference is then taken to the earth wire. With out a shielded cable you would hear annoying interference eg. The typical phone beep (please turn phone off). Speaker cable does not need a shield because the signal coming into the speaker is above MIC level and RF interference can't get in (it isn't loud enough) so there is no RF interference and no need for a shield. Hope that has been a help!

What's the longest an RFID chip can be read?

Depends on the antenna, frequency, the reader power, and the design.

Passive RFID's have a range from a few mm's to a few meters.

In general, low frequency = near field rf = short range, higher frequency = far field rf = longer range.

EPC HF near field tags have short ranges of less than 1 meter.

EPC UHF tags are typically 1-2 meters reliable read. Far field range is very complex and it is possible to have multipath reflection arrangements where 10 meters may work... sometimes.

With illegally high power transmitters, and large antennas, far field tags can be reliably read to tens of meters or more for non-commercial designs.

Semi-passive RFID's can be read over hundreds of meters.

Active RFID's are limited only by their transmit power and antenna design.

Will metal knee implants used for knee replacement surgery interfere with recreational metal detecting?

Unless the knee(s) are directly above or below the detector's coil (which should not happen) there's no reason they would interfere.