All things electronic, but mostly aimed at DIY is | Poal: Say what you want.

Welcome • User Guide
ToS • Privacy • Canary
Donate • Bugs • License

©2026 Poal.co

443

•

STICKY Megathread: Random observations about electronic devices

12

ᐊ page 7 ᐅ

1.4K

•

Article: I bought a 9,000,000mAh power bank from eBay, and I got what I deserved

3

944

•

Some really tiny USB-C boards - MangoGeek dual serial USB board and Ant2 LiPo Charger

860

•

Tech tips Samsung fast charging hack: Manually applied elevated voltage might significantly speed up charging during operation.

20

1.1K

[deleted]

•

What is the main difference between 3 and 4 wire addressable RGB LED ribbons?

10

94

•

PinePower 120W desktop power supply features display, USB PD, QC 3.0 and wireless charging

6

767

▶︎

•

Experiments Can static KILL your PC? (ft. Electroboom) [20:57] - Linus Tech Tips

1.2K

•

"Why do many laptops run on 19 volts?"

4

511

•

The Design of the Roland Juno synthesizer oscillators

20

976

[deleted]

•

Connecting batteries in parallel... with threaded steel rod?

2

1.5K

▶︎

•

Shocking Things With 300 9 Volt Batteries! [18:31] [108 volts on a PC fan]

820

▶︎

•

Fun with a few 9V batteries. (244 of them) [07:10] [series circuit] [2011-09-28]

596

▶︎

•

Videos promote short-circuit batteries for use as hand warmers. Some morons probably do it. | Title: 10 Life Hacks To Make Life Easier [03:43]

988

▶︎

•

[2016] ASAP Dash review: 5000mAh battery, 15 minute charge. For realz!?! [02:25] - Btekt

686

•

Observations The stopwatch feature of some armwatches does not show the milliseconds again after overturning at 24 hours

4

365

▶︎

•

Cassette adapters are remarkably simple [09:32]

1.3K

•

Interesting facts about electronics

2

914

▶︎

•

Build a Burning Laser from an Old DVD Burner [12:52]

625

▶︎

•

Making Water Spin Like Magic, LATITY-002 [11:41] – ElectroBOOM

1.5K

▶︎

•

Fans; High is next to Off on purpose [17:48] - Technology Connections

1.3K

▶︎

•

The US electrical system is not 120V [24:26] - Technology Connections

285

•

Observations Some CD players play audio on both headphones and speakers when the headphone plug is only partially inserted.

3

120

▶︎

•

“What will happen to a stun gun if you ZAP A 220 VOLT socket with it. What a stun gun is capable of” – KREOSAN English

4

1.3K

•

Moist DVD-R detected as DVD-RAM by S182!

1.1K

▶︎

•

The smallest Discman ever made - was smaller than a CD (partially exposed) - TechMoan

ᐊ page 7 ᐅ