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dren.dk's user avatar
dren.dk's user avatar
dren.dk
  • Member for 13 years, 9 months
  • Last seen more than 3 years ago
30 votes

Relay vs. Transistor?

19 votes
Accepted

Powering laptop from 12V sources without inverter

14 votes
Accepted

For a small Vin-Vout difference, is it worth using an LDO vs a buck regulator?

12 votes
Accepted

Patented hardware architectures

12 votes

How does a wind farm prevent the fastest spinning turbine from driving the slowest one?

11 votes

Should I buy a Netduino or Arduino?

10 votes
Accepted

Is my butane soldering iron's tip dead? (pic)

10 votes
Accepted

What are some common/popular/go-to switching voltage regulators?

9 votes
Accepted

Is there a text or markup standard for describing a Bill of Materials?

8 votes

High definition video on a composite cable

8 votes
Accepted

3 Contact Laptop Power Supply

8 votes
Accepted

12V DC UPS for Network Equipment

8 votes

Low-cost PCB prototyping

8 votes
Accepted

Switching-on/off 1000V * 1000A in 10ns

7 votes
Accepted

What is this transformer-like component with only two leads

7 votes
Accepted

Seeking cheap RFID reader / writer

6 votes

USB to SPI converter

6 votes

High frequency mains transmission

6 votes
Accepted

Reliability of servos

6 votes

Significance of 24 Volts Power Supply

6 votes
Accepted

What is equivalent to a daily build (and smoke test) for schematic designs?

6 votes

Why is it so problematic to have close to zero standby power consumption?

5 votes
Accepted

Algorithm for balancing LI-PO batteries?

5 votes

Are 4xAA DIY Gadget Chargers Safe?

5 votes

Any reliable site where *hardware* engineers can be hired for small (work-from-home/telecommute) projects?

5 votes

SMD vs. Through-hole components in high vibration environments

5 votes

What Workbench Safety Improvements Have You Made?

4 votes
Accepted

Reading up to 8 PWM's

4 votes

What's up with the operating voltages 5 V, 3.3 V, 2.5 V, 1.8 V, etc.?

4 votes

How to go from newbie to manufactured?