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

561

•

STICKY Megathread: Random observations about electronic devices

12

ᐊ page 6 ᐅ

920

▶︎

•

Voltage Boost Circuit / Bootstrapping [04:14]

1.0K

•

A stretchy display for shapable electronics

1

1.2K

•

A highly performing transistor based on an inorganic metal halide perovskite

1

605

IMG

•

Found this little guy at the dollar store. Okay for Arduino? [4000x3000 - 988KB]

9

1.2K

▶︎

•

eevBLAB 91 - Why Are Fluke Meters So EXPENSIVE? [17:48]

6

378

▶︎

•

Scanning electron micrographs of an Intel i486 [10:16]

804

•

Schematics to all versions of the Big Muff Pi

1.4K

▶︎

•

Unknown ESP32 saving modes: Light Sleep, Clock Reduction, Modem Sleep, Hibernation, and a few tricks [17:23]

651

•

HFDY vs. Fire Brothers: Dan compares two Chinese Malahit SDR clones | The SWLing Post

2

861

▶︎

•

ESP32-S2 New Arduino USB Functionality: Cool Combination with WiFi [12:31]

1

346

•

Review of Charger TP5000 4.2-3.6V module

661

IMG

•

Observations I wonder why it failed... [1633x1725 - 723KB]

24

536

[deleted]

•

Capacitors - Dielectric Absorption

620

▶︎

•

Making 100 transistors silicon integrated circuit chips in your garage

1

1.2K

▶︎

•

PA amplifiers from e-waste [16:36]

580

•

Sennheiser Sells Off Its Consumer Brand

282

▶︎

•

Gravity compensation and Spherical robot joint with AK60-6 actuator [12:50]

1.0K

▶︎

•

SWITCHES - The Secret Life of Components, a series of guides for designers and makers - Episode 4 [32:31]

745

▶︎

•

Umbratek Actuator: Low Backlash, High Torque for reasonable price [12:29]

233

▶︎

•

FreeCAD Export to KiCAD [05:36]

1.3K

•

Observations SD card reader by brand “entryx” sometimes automatically reconnects, then reading speed drops from 20 to 3 MB/s until reinserting memory card.

364

•

2015 Medion 64GB USB 3.0 vs. 2015 Hama 16GB USB 2.0 same-priced flash drive comparison: Hama flash storage is a scam by definition.

7

287

▶︎

•

Torching A Computer (While It's Running) [12:01]

1

1.0K

•

Some cheap “garbage” from China might just work fine.

4

199

•

Pololu - Understanding Destructive LC Voltage Spikes

1

ᐊ page 6 ᐅ