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22 Questions

Views Newest Activity Votes

votes

answers

21k

views

Small piezo buzzer with low voltage, low current

sound piezo-buzzer

Apr 14 '16 at 13:00 Community♦ 1

votes

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

votes

answer

views

How to couple a signal on to a DC line

dc power-line-communication

Oct 15 '17 at 14:35 Community♦ 1

votes

answers

views

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

frequency interference

Jan 7 '13 at 11:45 chwi 1,161

votes

answers

views

How should I current limit a LED matrix?

current-limiting led-matrix

Dec 22 '14 at 13:21 Spehro Pefhany 230k

votes

answers

views

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

wireless dev-kit

Sep 28 '12 at 1:39 Mark2c 11

votes

answers

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

votes

answers

views

What is my microcontroller power duty cycle?

duty-cycle

Apr 24 '13 at 6:51 angelatlarge 3,506

votes

answer

views

Mesh network with high data rate on 868MHz

wireless video network-interface

Sep 19 '12 at 11:57 Sylvain 689

votes

answer

770

views

A circuit measuring microamperes

current-measurement

Oct 13 '15 at 19:24 Ignacio Vazquez-Abrams 46.4k

votes

answer

665

views

What limits the modulation of digital signals?

frequency modulation speed bandwidth

Oct 7 '12 at 22:18 Olin Lathrop 291k

votes

answers

659

views

Current consumption in milliseconds

current current-measurement

May 30 '13 at 11:53 Phil Frost 50.7k

votes

answers

615

views

What is wireless blocking immunity?

wireless transceiver

Apr 23 '13 at 14:59 Chris Stratton 25.7k

votes

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

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

answers

455

views

Where can I get WirelessHART systems?

wireless

Sep 18 '12 at 14:02 wollud1969 454

votes

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

votes

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

votes

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

votes

answers

233

views

Will microcontrollers use more current on lower voltage?

microcontroller power current

May 30 '15 at 11:35 Turbo J 8,722

votes

answer

214

views

How to discover electrical wires?

measurement wiring

Jun 22 '13 at 7:04 JIm Dearden 17.7k

votes

answer

views

LFCN-490, which direction?

filter radio layout 433mhz

Sep 13 '16 at 19:04 chwi 1,161

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22 Questions

Small piezo buzzer with low voltage, low current

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

How to couple a signal on to a DC line

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

How should I current limit a LED matrix?

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

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

What is my microcontroller power duty cycle?

Mesh network with high data rate on 868MHz

A circuit measuring microamperes

What limits the modulation of digital signals?

Current consumption in milliseconds

What is wireless blocking immunity?

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

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

Where can I get WirelessHART systems?

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

What is this resistor strip on my helicopter circuit?

Implement IR protocol using only one timer

Will microcontrollers use more current on lower voltage?

How to discover electrical wires?

LFCN-490, which direction?