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Electrical Engineering

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Awarded 150 times.
Is this a suitable sine wave osc? how would I control the frequency?
Awarded Dec 10, 2025 at 16:55
Why more, smaller transistors increase power efficiency?
Awarded Aug 17, 2025 at 11:09
How do I connect a relay and transistor to an Arduino?
Awarded May 28, 2025 at 0:10
Three phase power supply - what is line to line voltage
Awarded May 15, 2025 at 21:11
How to realize this transfer function with OP-AMPs?
Awarded Apr 27, 2025 at 16:24
I2C-controlled digital counter
Awarded Feb 19, 2025 at 15:10
What's the best way to store and categorise resistors/capacitors/ICs/etc?
Awarded Feb 9, 2025 at 13:37
Circuit board without EDA
Awarded Jan 31, 2025 at 1:08
How to calculate the data rate of LoRa?
Awarded Jan 20, 2025 at 8:34
Using only 2 pairs of Ethernet
Awarded Nov 22, 2024 at 19:35
What's the difference between field-effect transistors (FETs) marketed as switches vs. amplifiers?
Awarded Sep 14, 2024 at 15:10
What are the technical challenges to store electricity from lightning strikes? [duplicate]
Awarded Aug 28, 2024 at 4:35
How can I measure battery voltage with my MCU?
Awarded Jul 12, 2024 at 14:31
How is xΩ impedance cable defined?
Awarded Jul 3, 2024 at 10:45
How to connect these +3.3V power pins/labels?
Awarded Jun 29, 2024 at 14:45
Troubleshooting why Powerbank Doesn't Charge Cell Phone
Awarded May 10, 2024 at 5:17
What exactly is the start bit error in UART?
Awarded May 3, 2024 at 16:42
How is the 741 op-amp output protected when shorted to V+?
Awarded Apr 21, 2024 at 20:31
Capacitors and filtering
Awarded Feb 5, 2024 at 2:57
Minimize current consulption for MIDI input circuit?
Awarded Dec 25, 2023 at 18:25
I2C pullup resistor calculations
Awarded Dec 23, 2023 at 0:33
PCB tracing - Ground plane and Power plane?
Awarded Dec 19, 2023 at 17:40
Help reverse engineering RCWL-0516 microwave proximity detector module
Awarded Nov 17, 2023 at 8:49
Why are some AC outlets and plugs polarized?
Awarded Nov 13, 2023 at 13:21
Level vs edge triggering, usefulness of level triggering
Awarded Nov 3, 2023 at 17:06
Low power micro-SD card storage
Awarded Oct 4, 2023 at 15:43
What component of my phone charger produces chirps and how does it do that?
Awarded Sep 16, 2023 at 1:27
Usage of a transistor configured as diode
Awarded May 30, 2023 at 11:42
Switching DC with MOSFET: p-Channel or n-Channel; Low Side Load or High Side Load?
Awarded May 29, 2023 at 20:17
How to tell polarity expected of a DC barrel jack?
Awarded May 19, 2023 at 8:11
Current sensing nA to mA
Awarded May 10, 2023 at 11:21
Buck converter efficiency and output current vs. input current
Awarded Mar 20, 2023 at 20:32
MIDI IN : many circuits
Awarded Mar 16, 2023 at 14:40
How do I drive a TRIAC from a microcontroller (for low voltages)?
Awarded Mar 15, 2023 at 19:34
ARM Linux and UBoot - Can I make a read-only MTD writable?
Awarded Feb 4, 2023 at 9:43
Can an electric circuit do recursion?
Awarded Jan 29, 2023 at 6:46
Green box on PCB schematic
Awarded Jan 18, 2023 at 14:32
Damaged soldering iron tip
Awarded Jan 8, 2023 at 13:01
AC voltage ratings for capacitors
Awarded Dec 12, 2022 at 13:26
What is causing large oscillations in my DC/DC boost converter? Is this ground bounce or some other effect?
Awarded Nov 29, 2022 at 18:36
How does TI CC3000 wifi smart config work?
Awarded Nov 21, 2022 at 21:10
Why thermal reliefs on vias?
Awarded Aug 16, 2022 at 15:10
Flyback diode requirements
Awarded Aug 5, 2022 at 12:35
Why is USB cable maximum length is shorter than in RS232?
Awarded Jul 15, 2022 at 8:21
Choosing power supply, how to get the voltage and current ratings?
Awarded Jul 6, 2022 at 10:15
Is there a limit to the number of kilo-watt hours an AAA (or AA) battery can hold?
Awarded Jun 17, 2022 at 5:20
What is the theoretical limit of lumen/watt for lighting systems?
Awarded May 3, 2022 at 22:30
High side switching
Awarded Feb 25, 2022 at 21:18
Measure Lithium ion battery voltage (thus remaining capacity)
Awarded Jan 18, 2022 at 21:55
Choosing power supply, how to get the voltage and current ratings?
Awarded Jan 4, 2022 at 3:41
To what extent are "pure sine wave" power supplies marketing spin?
Awarded Dec 31, 2021 at 19:26
Do capacitors automatically release their energy over time?
Awarded Dec 29, 2021 at 17:25
Going through Soldering tips quickly
Awarded Nov 29, 2021 at 4:31
Will a 0402 0.01 µF ceramic capacitor next to a 0402 0.1 µF ceramic capacitor have any power decoupling benefits?
Awarded Nov 25, 2021 at 7:15
Bootstrap circuit function
Awarded Oct 29, 2021 at 16:08
Tinning wires that will be screwed in to a chocolate block/terminal strip
Awarded Oct 6, 2021 at 23:33
How do I use the printf function on STM32?
Awarded Sep 7, 2021 at 18:36
Grounded thermocouple vs "grounded" thermocouple
Awarded Aug 31, 2021 at 11:05
Good NPN configuration vs bad configuration
Awarded Aug 5, 2021 at 22:40
Reducing the tolerance of resistors manually
Awarded Jul 6, 2021 at 7:50
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