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

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

©2025 Poal.co

1.2K

•

STICKY Megathread: Random observations about electronic devices

12

ᐊ page 2 ᐅ

703

•

audio filter question

26

1.3K

IMG

•

It still amazes me that you can build a fully functional microcontroller with display into a power cable.

11

300

•

NTE Electronics, the last of the cross-referenced replacement part houses, has gone out of business.

5

912

•

Electrical discharge machining uC thoughts.

4

816

•

Google Pixel 5 price just leaked — and it’s very bad news for the Galaxy S20

1.5K

IMG

•

20th century amplification [400x288 - 16KB]

5

412

•

Help me with this (6W Solar Panel, 5V/1A Mini USB Solar Panel)

8

268

•

I had no idea I'd be spending so much time in KiCad, thanks to many of you on Poal. Now I have even more reasons to stay in it: version 8 just got released.

4

556

•

Engineer inc. SS-02 solder sucker with silicone tip. Just got one, 5 star rating from me. It sucks so hard you can hear it from the back of the board.

796

•

Using the 555 for everything. What can't it do?

5

350

▶︎

•

Retro Tech: The Wire Recorder

1.4K

•

Electricity Basics: Resistance, Inductance and Capacitance

187

•

Frequency and voltage manipulation

25

1.2K

•

Learning About Capacitors By Rolling Your Own Electrolytics

103

•

A Field Guide To Transmission Lines

937

[deleted]

ALBUM

•

@sporkulon Here are the pics of the VandyVape Pulse's PCB you asked me to get for you a while back

1.3K

•

An Off-The-Grid Instant Messaging Plattform

1

752

•

HP ad campaign claims its printers are ‘made to be less hated’ following years of anti-consumer behavior | lol get fucked hp you're printers are a scam to tax people too stupid to look for something better.

3

1.0K

•

What are your thoughts on PCB design software

6

1.3K

▶︎

•

Watch electricity hit a fork in the road at half a billion frames per second [26:29]

883

•

Observations Some optical drives refuse to speed up again after encountering damaged parts of a disc once. (And other strange speed limits.)

813

•

Researchers measure near-perfect performance in low-cost semiconductors

88

▶︎

•

A video about magnetrons you literally can not understand. Maybe Commiela could explain it so we can understand it.

3

905

•

TIL people rename electronic components like switching power supplies to transformers.

10

85

•

Overburning CD-RW experience: Disc speeds up towards the end when played back using old audio CD player!

12

ᐊ page 2 ᐅ