User Ricardo

22 votes

Accepted

Software for workshop - electronic components stock management

answered Apr 25, 2014 at 0:58

17 votes

Accepted

PCB design review: Decoupling, bypassing and grounding

answered Oct 13, 2014 at 0:53

17 votes

Accepted

Will solder usually connect copper vias on a 2-sided PCB?

answered Oct 28, 2014 at 20:09

10 votes

Accepted

What is the difference between 4-leg and 2-leg momentary tactile switch?

answered Jun 28, 2014 at 12:10

10 votes

Accepted

How do I hook up an LED across the tx pin on my Atmega328?

answered Aug 9, 2014 at 14:57

8 votes

Accepted

Connecting a DC barrel jack to a PCB board

answered Dec 27, 2013 at 21:37

8 votes

Accepted

Using NPN transistor as switch

answered Jan 6, 2014 at 18:44

7 votes

Accepted

Is 555 timer good to generate 20MHz clock?

answered Dec 29, 2013 at 2:18

7 votes

ATmega328P running on CR2032 has issues with timing/sleep code as voltage depreciates over time

answered Jul 3, 2014 at 17:05

6 votes

Accepted

How to place thermistor for reading temperature in NiHM single AA cell charger?

answered Dec 15, 2014 at 21:10

5 votes

Accepted

How is time of supplied real time clock module maintained without battery?

answered Jun 20, 2014 at 0:51

5 votes

How does this BJT circuit work as a NAND gate?

answered Jan 15, 2014 at 11:01

5 votes

Changing I2C address

answered Jan 29, 2014 at 16:23

5 votes

An easy method to align a two layer PCB

answered Oct 23, 2013 at 11:19

5 votes

Cheap 4 digit 7 segment display driver

answered Dec 18, 2013 at 15:26

5 votes

LED persistence of vision (POV) project

answered Jun 17, 2014 at 12:55

4 votes

Controlling motor direction, usage and speed

answered Jun 7, 2014 at 17:08

4 votes

Accepted

LED driver on 74HC164 - need explanation

answered May 2, 2014 at 12:34

4 votes

Accepted

What resistors to use to read several buttons with a single analog pin

answered Feb 11, 2014 at 15:53

4 votes

Accepted

Is it possible to get input from a 10x10 grid of switches using an arduino board? (Uno, Mega, etc.)

answered Mar 20, 2014 at 12:46

4 votes

Problem using DS1337 - RTC

answered Apr 6, 2014 at 12:37

4 votes

Accepted

Show numbers on LEDs

answered Jun 24, 2014 at 0:53

4 votes

Accepted

How to make a Calculator?

answered Aug 21, 2014 at 13:34

4 votes

Accepted

Circuits Homework Question

answered Sep 7, 2014 at 21:09

4 votes

How to switch between two input lines based on a digital pulse

answered Dec 19, 2014 at 10:56

3 votes

Current calculation in circuit

answered Nov 12, 2014 at 14:22

3 votes

Can't find the equivalent resistance in this circuit

answered Sep 16, 2014 at 18:28

3 votes

Accepted

Reading corresponding pins from a circuit diagram

answered Sep 25, 2014 at 15:24

3 votes

CD4029 does not initialize at 0

answered Jul 28, 2014 at 14:16

3 votes

Attiny85 hardware interrupt unreliable, 433 MHz remote

answered Apr 11, 2014 at 11:40

Stack Exchange Network

64 Answers

Software for workshop - electronic components stock management

PCB design review: Decoupling, bypassing and grounding

Will solder usually connect copper vias on a 2-sided PCB?

What is the difference between 4-leg and 2-leg momentary tactile switch?

How do I hook up an LED across the tx pin on my Atmega328?

Connecting a DC barrel jack to a PCB board

Using NPN transistor as switch

Is 555 timer good to generate 20MHz clock?

ATmega328P running on CR2032 has issues with timing/sleep code as voltage depreciates over time

How to place thermistor for reading temperature in NiHM single AA cell charger?

How is time of supplied real time clock module maintained without battery?

How does this BJT circuit work as a NAND gate?

Changing I2C address

An easy method to align a two layer PCB

Cheap 4 digit 7 segment display driver

LED persistence of vision (POV) project

Controlling motor direction, usage and speed

LED driver on 74HC164 - need explanation

What resistors to use to read several buttons with a single analog pin

Is it possible to get input from a 10x10 grid of switches using an arduino board? (Uno, Mega, etc.)

Problem using DS1337 - RTC

Show numbers on LEDs

How to make a Calculator?

Circuits Homework Question

How to switch between two input lines based on a digital pulse

Current calculation in circuit

Can't find the equivalent resistance in this circuit

Reading corresponding pins from a circuit diagram

CD4029 does not initialize at 0

Attiny85 hardware interrupt unreliable, 433 MHz remote