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

775

•

STICKY Megathread: Random observations about electronic devices

12

ᐊ page 3 ᐅ

858

•

Ferroelectric Transistors for Homomorphic Encryption - IEEE Spectrum

524

•

You've got to see this build of a real working Fallout Radiation King radio. Amazing.

213

IMG

•

Most friends bring beer or wine, friends who know me bring whisky and then there's this friend...

6

804

IMG

•

Before and after [3024x8064 - 1MB]

12

843

IMG

•

Working on an old electronics device...how did it work at all?

15

155

IMG

•

A friend sent me his shop's Christmas tree. [1536x2048 - 1MB]

4

1.2K

•

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

8

1.4K

▶︎

•

DIY Precision milliohm meter by popular request with circuit diagram. [Michael Dranfield] [12:33]

529

•

Neon Lamp information, types, and circuits. [PDF]

715

IMG

•

I can never get the wire to lay as neat as the original. [960x1280 - 165KB]

20

1.3K

•

Working on a vacuum tube device and ran across an unusual issue.

12

1.4K

▶︎

•

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

3

1.1K

•

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

5

1.2K

•

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

5

468

IMG

•

Got these great capacitors for sale cheap - Great value! [650x500 - 60KB]

9

853

•

I'm done with AliExpress. Their logistics suck!

3

1.4K

▶︎

•

This guy was so excited building a solid state triple diode triode EABC80/6AK8 tube. You can tell.

3

797

▶︎

•

" Microworld " 1976 AT&T / Bell System Microprocessor & Computers Film w/ William Shatner Xd35644 Video(14:48)

279

•

TIL, MFJ closing down manufacturing facilities effective May 17th 2024

6

1.1K

•

RFETS may be able to replace PNP and NPN devices with a single device. Electrostatic doping makes it feasible to reuse circuits.

13

1.3K

•

X86 processors are really RISC CPUs posing as CISC CPUs by implementing the x86 instructions by translating them using a mix of hardware and microcode

5

135

•

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

1.2K

•

$166 Mustool MT13S thermal imager doubles as multimeter

384

▶︎

•

Easy - KiCad Symbol, Footprint and 3D Model! [08:08]

361

IMG

•

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

11

ᐊ page 3 ᐅ