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

496

•

STICKY Megathread: Random observations about electronic devices

12

ᐊ page 5 ᐅ

566

[deleted]

•

Clever Test Rig Clarifies Capacitor Rules-of-Thumb

314

IMG

•

as promised, a doodle from the supernote [1404x1872 - 73KB]

1.1K

•

got a supernote today

3

1.3K

•

Engineers invent vertical, full-color microscopic LEDs | MIT News

250

•

An Off-The-Grid Instant Messaging Plattform

1

1.1K

IMG

•

20th century amplification [400x288 - 16KB]

5

498

▶︎

•

I built an LED Sphere (Ping-Pong Size) [08:09]

356

▶︎

•

Self-Soldering Circuits [08:15]

4

383

▶︎

•

ESP32 + PCB Antenna Hardware Design Tutorial - Phil's Lab #90 [34:06]

1.3K

IMG

•

Running the house on battery [450x948 - 49KB]

3

1.4K

▶︎

•

Mechanical circuits: electronics without electricity [19:22]

731

•

Help on buying tools for building modern circuit boards.

15

1.2K

•

What are your thoughts on PCB design software

6

123

•

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

10

510

▶︎

•

Shock Hazards Associated with Electric Guitars and Amps [13:39]

311

▶︎

•

Michael Ossmann: Simple RF Circuit Design [1:06:21]

1.3K

▶︎

•

KiCad 6 and STM32 PCB Design Full Tutorial - Phil's Lab #65 [1:40:06]

1.2K

•

The nerdy guts of lasers

115

[deleted]

•

How and When the Chip Shortage Will End, in 4 Charts - IEEE Spectrum [archive.ph]

1

1.2K

▶︎

•

How Vacuum Tubes Work [03:51]

188

[deleted]

•

Learn more?

5

1.1K

ALBUM

•

An EAS-1 Emergency Alert decoder, purchased at Dayton yesterday.

13

1.0K

[deleted]

•

Does Kirchhoff's Voltage Law really fail? [archive.ph/www.testandmeasurementtips.com]

3

866

▶︎

•

Voltage Boost Circuit / Bootstrapping [04:14]

850

•

A highly performing transistor based on an inorganic metal halide perovskite

1

ᐊ page 5 ᐅ