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Music reactive LEDs

led transistors sound

modified 12 mins ago Rasmus Tollund 1

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Why is the voltage across the capacitor constant?

capacitor resistors

modified 24 mins ago Readingtao 3

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113

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Raspberry pi super capacitor power supply

capacitor raspberry-pi

modified 33 mins ago Smith 91

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Ceiling LED light emits very dim light when switch is off!

led lamp

answered 48 mins ago BobU 81

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Relay circuit not switching as expected

led relay

answered 54 mins ago Andy aka 133k

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Why does the accuracy of my camera drop when I start using no-ops as delays?

arduino clock camera delay

answered 1 hour ago Dmitry Grigoryev 5,783

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156

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Is there an ideal PWM frequency for DC brush motors?

microcontroller mosfet dc-motor h-bridge

answered 2 hours ago supercat 29.6k

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answer

106

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Odd NPN Circuit behavior

microcontroller transistors npn

modified 3 hours ago AbeFM 6

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Connecting Cathod Commond RGB Leds in parallel with arduino

arduino led transistors npn rgb

asked 4 hours ago James 1

votes

answers

254

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Understanding Lead in a causal system

capacitor inductor lead systemresponse

modified 6 hours ago Majin_Boo 32

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answer

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How to calculate total power from spectrum?

power fft spectrum

modified 6 hours ago Captainj2001 195

votes

answers

151

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Why off-line power supplies are called so, like they are “off the line”?

power-supply

modified 8 hours ago Antonio 414

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answers

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Why does measuring the voltage drop across a thing not simply measure the battery voltage?

voltage

modified 8 hours ago m salim 117

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inverting op amp with a load resistor

op-amp

answered 10 hours ago Andy aka 133k

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Music reactive LEDs

Why is the voltage across the capacitor constant?

Raspberry pi super capacitor power supply

Ceiling LED light emits very dim light when switch is off!

Relay circuit not switching as expected

Why does the accuracy of my camera drop when I start using no-ops as delays?

Is there an ideal PWM frequency for DC brush motors?

Odd NPN Circuit behavior

Connecting Cathod Commond RGB Leds in parallel with arduino

Understanding Lead in a causal system

How to calculate total power from spectrum?

Why off-line power supplies are called so, like they are “off the line”?

Why does measuring the voltage drop across a thing not simply measure the battery voltage?

inverting op amp with a load resistor

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