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SDsolar
  • Member for 6 years, 3 months
  • Last seen more than 4 years ago
57 votes
Accepted

If Infrared not visible, why the red LEDs?

22 votes

Is it important to file a new soldering iron tip before tinning?

12 votes

Are radio waves naturally polarized like light or is that a function of how they are produced?

6 votes

What are actual additional benefits of using high voltage

4 votes

Solder does not stick to iron after cleaning

4 votes

Help identifying two lead component with glass cover and serpentine trace under it

3 votes
Accepted

Single-station FM radio

3 votes

Building An Electric Kiln For Pottery

3 votes

Is an Arduino Uno capable of running 24/7?

2 votes

Solder Fumes - Activated Charcoal vs Outside Venting

2 votes
Accepted

Best way to test a USB wall charger for output current

2 votes

Solder does not stick to tip of soldering iron?

2 votes

Need help calibrating ADC input using a voltage divider

2 votes

What would an inductor be doing here, and can I replace it with a jumper?

1 vote

Inrush current for LED strip circuit

1 vote

Capacitor values for use with 78xx voltage regulators

1 vote

Unknown inductor in power delivery

1 vote

Soldering Iron Tip Tinning

1 vote
Accepted

On a research perspective, do physical layer rules come under the term "wireless protocol"

1 vote

Arduino sensor ground isolation on motorcycle

1 vote

How can I convert an HP 27C monitor and a HP laptop to run on DC from solar power?

1 vote

12v 16 amps to 12v 3 amps?

1 vote

Tesla Coil audio music player circuit analysis

1 vote

What is white-space transmission loss?

1 vote

speed of 802.11n using 2 antennas

1 vote

Solved - FAULTY BATTERY - Solar power - 6149 Watt-hour battery bank but only 1 hour of inverter time at 300W after dark

0 votes

Discerning between transistor types

0 votes

Connect anti-static wrist strap to earth wire?

0 votes

Get a spark plug to spark with DC

0 votes

Benefits of using an External A/D converter with ATmega128