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

674

•

STICKY Megathread: Random observations about electronic devices

12

1.1K

IMG

•

Sometimes it feels like you're doing surgery on the stuff. [960x1280 - 224KB]

11

1.4K

•

audio filter question

26

373

ALBUM

•

Please Help Me Find This Battery For Sale: Rechargeable 3.7 V 260mah 08500 LiPo

8

236

•

Use Your Resin 3D Printer to Fabricate PCBs - Hackster.io

3

946

•

Ferroelectric Transistors for Homomorphic Encryption - IEEE Spectrum

309

•

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

478

IMG

•

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

6

636

IMG

•

Before and after [3024x8064 - 1MB]

12

722

IMG

•

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

15

1.1K

IMG

•

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

4

583

•

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

8

465

▶︎

•

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

1.0K

•

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

581

IMG

•

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

20

263

•

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

12

113

▶︎

•

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

408

IMG

•

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

9

377

•

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

268

▶︎

•

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

346

•

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

6

1.4K

•

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

ᐅ