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Electrical Engineering
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chwi
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6 posts edited
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71 votes cast
Summary Answers Questions Tags Badges Favorites Bounties Reputation All actions

22 Questions

Views Newest Activity Votes
1
3
votes
2
answers
21k
views

Small piezo buzzer with low voltage, low current

sound piezo-buzzer
Apr 14 '16 at 13:00 Community♦ 1
1
7
votes
4
answers
14k
views

How does electricity produce heat, and where do the electrons go?

current heat physics
Jul 26 '18 at 15:53 Ale..chenski 32.3k
1
5
votes
1
answer
6k
views

How to couple a signal on to a DC line

dc power-line-communication
Oct 15 '17 at 14:35 Community♦ 1
 
5
votes
2
answers
2k
views

Why are low frequency channels (10kHz - 200kHz) especially susceptible to interference?

frequency interference
Jan 7 '13 at 11:45 chwi 1,161
 
0
votes
3
answers
2k
views

How should I current limit a LED matrix?

current-limiting led-matrix
Dec 22 '14 at 13:21 Spehro Pefhany 230k
 
0
votes
2
answers
2k
views

Using sub 1GHz 6LoWPAN, which development kits are available? [closed]

wireless dev-kit
Sep 28 '12 at 1:39 Mark2c 11
 
0
votes
2
answers
1k
views

Why does my laptop adapter output nominal voltage with a broken capacitor?

power-supply capacitor
Jul 11 '14 at 11:14 Dave Tweed♦ 144k
 
3
votes
3
answers
1k
views

What is my microcontroller power duty cycle?

duty-cycle
Apr 24 '13 at 6:51 angelatlarge 3,506
1
0
votes
1
answer
1k
views

Mesh network with high data rate on 868MHz

wireless video network-interface
Sep 19 '12 at 11:57 Sylvain 689
 
2
votes
1
answer
770
views

A circuit measuring microamperes

current-measurement
Oct 13 '15 at 19:24 Ignacio Vazquez-Abrams 46.4k
 
5
votes
1
answer
665
views

What limits the modulation of digital signals?

frequency modulation speed bandwidth
Oct 7 '12 at 22:18 Olin Lathrop 291k
 
2
votes
2
answers
659
views

Current consumption in milliseconds

current current-measurement
May 30 '13 at 11:53 Phil Frost 50.7k
 
3
votes
2
answers
615
views

What is wireless blocking immunity?

wireless transceiver
Apr 23 '13 at 14:59 Chris Stratton 25.7k
 
0
votes
1
answer
548
views

Changing ADC clock speed does not change sampling speed [XMega]

adc c xmega
Apr 9 '15 at 8:57 chwi 1,161
 
-2
votes
1
answer
507
views

Need suggestions for amaster thesis on wireless sensor systems [closed]

sensor wireless system
Jan 22 '13 at 22:43 DrFriedParts 11.7k
 
-1
votes
2
answers
455
views

Where can I get WirelessHART systems?

wireless
Sep 18 '12 at 14:02 wollud1969 454
 
3
votes
1
answer
403
views

What EMC considerations need to be made with RF bias-t with 3-4A of current consumption?

rf filter emc bias
Jan 12 '13 at 18:01 Community♦ 1
 
3
votes
2
answers
339
views

What is this resistor strip on my helicopter circuit?

resistors reverse-engineering
Oct 4 '12 at 13:59 Some Hardware Guy 14.8k
 
0
votes
1
answer
235
views

Implement IR protocol using only one timer

arm infrared timer protocol
Jul 9 '13 at 8:24 Wouter van Ooijen 45.6k
 
3
votes
3
answers
233
views

Will microcontrollers use more current on lower voltage?

microcontroller power current
May 30 '15 at 11:35 Turbo J 8,722
 
2
votes
1
answer
214
views

How to discover electrical wires?

measurement wiring
Jun 22 '13 at 7:04 JIm Dearden 17.7k
 
0
votes
1
answer
71
views

LFCN-490, which direction?

filter radio layout 433mhz
Sep 13 '16 at 19:04 chwi 1,161
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