Electrical Engineering

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Awarded 33690 times.
Simple transformerless 3.7VDC to 220VAC [closed]
Awarded 4 hours ago
Design challenges with high input impedance amplifier
Awarded 4 hours ago
First PCB layout but can't validate yet [closed]
Awarded 5 hours ago
MAX3232: Switch between RS-232 and TTL levels
Awarded 7 hours ago
How to switch a SIM800L modem on/off with an ESP32-CAM, without a relay?
Awarded 9 hours ago
HDMI: Can a computer still detect a monitor properly if some of the TDMS pins/wires are damaged? [closed]
Awarded yesterday
Why does my MOSFET always burn?
Awarded yesterday
MCP23017 open drain interrupts not working as expected
Awarded yesterday
Does the sine wave function of a UPS matter even when there is power from the grid?
Awarded yesterday
Automotive wiring OR logic gate
Awarded 2 days ago
Negative DC wire gauge
Awarded 2 days ago
What does LSB mean in PWM?
Awarded 2 days ago
How worried should I be about a short circuit lasting a couple nanoseconds? [duplicate]
Awarded 2 days ago
Second order low pass filter: two 1st order filters not-immediately cascaded
Awarded 2 days ago
Using complex impedance
Awarded 2 days ago
Can I use a 50m network cable to power two 24VAC solenoid valves?
Awarded May 21 at 7:56
Turn on switches sequentially - ONLY ONCE - when triggered
Awarded May 21 at 7:01
VHDL: How to use records as PORTS with IN and OUT parameters?
Awarded May 20 at 16:42
Transient analysis for circuits with AC excitation using differential equations
Awarded May 20 at 14:02
Identify number of strings in Philips 14.5W LED PCB
Awarded May 20 at 10:41
Making an LED lamp smart with IKEA and an SSR - LED is flickering when SSR is on/off [closed]
Awarded May 20 at 10:11
Switching between series and parallel battery connection
Awarded May 20 at 9:42
STM32H7 External supply
Awarded May 20 at 7:47
How do you cascade two 7-segment decoder ICs together?
Awarded May 19 at 20:05
Designing a common emitter audio pre-amplifier
Awarded May 19 at 18:42
What is d in a boolean function?
Awarded May 19 at 17:02
Speed of electrical NOT gate
Awarded May 19 at 13:50
Difference between open drain and push-pull modes
Awarded May 19 at 8:32
Measuring AC current with a current transformer and ADC
Awarded May 19 at 0:26
Thevenin Resistance by dropping independent sources
Awarded May 18 at 21:36
Is the resistive component of impedance the same as DC resistance for a given component?
Awarded May 18 at 21:10
Identify this type of diode from the 1970s (1.3V forward)?
Awarded May 18 at 17:21
Generating a 1pps signal with ~0.1ppm accuracy
Awarded May 18 at 13:55
How can I control an ESC with an STM32F303K8 [closed]
Awarded May 18 at 13:10
Please help identify these 2.0mm pitch wafer wire to board connectors
Awarded May 18 at 12:31
Voltage controlled 555 bistable operation
Awarded May 18 at 9:20
Series and Parallel Capacitors in Circuit Analysis
Awarded May 17 at 22:40
Incorrect results without printing message
Awarded May 17 at 20:55
Will driving six LEDs damage a PIC18F24K22 microcontroller? [closed]
Awarded May 17 at 18:26
Can a CANopen node receive the SDO block upload between another pair of nodes?
Awarded May 17 at 14:19
Communicate with 256 nodes over over about 40 meters [closed]
Awarded May 17 at 13:33
How can I calculate length of wire, given its gauge and resistance?
Awarded May 17 at 13:12
How to calculate power dissipation of LDMOS-device for arbitrary waveforms
Awarded May 17 at 13:05
Disconnected wire still lit Tester turns on
Awarded May 17 at 6:17
Induced voltage in loop around wire in home AC circuit
Awarded May 16 at 20:02
Which temperature sensitive material would be a good choice for temperature measurement from 4K to 300K?
Awarded May 16 at 18:32
Why does this circuit produce a triangle wave?
Awarded May 16 at 10:34
Use case for more than two breadboard binding posts?
Awarded May 16 at 8:57
Kirchhoff's law question
Awarded May 16 at 2:05
How to prevent LED strip from flashing at full brightness when the ESP32 boots
Awarded May 15 at 22:46
Infrared device responds to multiple remotes/"wrong" codes
Awarded May 15 at 18:56
GMR Sensor voltage output into magnetic field
Awarded May 15 at 17:51
What could be wrong if neutral has power?
Awarded May 15 at 17:17
Why is capacitor discharge time higher when an LED is included?
Awarded May 15 at 16:34
Power factor and cos φ
Awarded May 15 at 13:52
To decouple or not to decouple these LEDs/drivers?
Awarded May 15 at 9:06
Read in Arduino negative and positive voltages in a wider range
Awarded May 14 at 18:22
Interfacing LM3914 to CMOS logic circuitry
Awarded May 14 at 17:56
Are smartphone cells actually charged with 9V using QC and other techniques or does the smartphone always step down the voltage?
Awarded May 14 at 16:06
If function error in LTSpice
Awarded May 14 at 11:06
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