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

833

•

STICKY Megathread: Random observations about electronic devices

12

ᐊ page 4 ᐅ

315

▶︎

•

DIY sonar scanner (practical experiments) [14:30]

1.1K

•

Quectel Launches "Cost-Effective" KG200Z LoRa Module, Built Atop the STMicro STM32WLEx - Hackster.io

2

826

•

New space-saving RAM sticks that jam up to 128GB of memory in a laptop get industry's stamp of approval - CAMM2 standard ratified by JEDEC

2

1.2K

•

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

152

▶︎

•

TIL there's a whole IGBT thing I was totally unaware of: Bi polar tran sister

421

▶︎

•

Soldering vinyl-insulated wire directly to PCB [00:19]

1

746

•

Using EPROMS And EEPROMs As Programmable Logic With Lisp

1.3K

•

Learning About Capacitors By Rolling Your Own Electrolytics

156

•

Using 5V Programmable Logic Here In The 2020s

552

IMG

•

Picked up a cheap Philco transistor radio at the show today. [3024x4032 - 971KB]

5

445

▶︎

•

Great technique to drop headers without a vacuum desoldering station.

2

1.5K

•

Why blow out a candle with your lungs when you can build an electronic ionic thruster circuit to do it?

1

669

•

Make Your Own Oscilloscope(Mini DSO) With STC MCU Easily : 9 Steps (with Pictures) - Instructables

1.5K

•

Mini review of GGtag e-paper display programmable through sound or USB serial

802

IMG

•

Does anyone have any idea why this battery charger is not staying on? More info in the description. [1200x900 - 142KB]

32

1.4K

•

Maciej Grela's Second Life UPSes Find a Use for Faulty Network Switches, Old Hoverboard Batteries - Hackster.io

568

•

Scoop's 250 Farad Capacitor Provides Backup Power to Deliver That Last Important Message - Hackster.io

221

•

Flipper Zero portable hacking multitool now has an app store for free and open source apps - Liliputing

3

596

IMG

•

Supercapacitor UPS [4032x3024 - 1MB]

8

768

•

Markedly less success with three TTS boards from AliExpress – We Saw a Chicken …

5

976

•

Frequency and voltage manipulation

25

290

▶︎

•

Bad Fuses [16:48]

503

•

VL53L7CX Time-of-Flight (ToF) sensor offers camera-like 90° field of view

1.0K

•

This is an electronic badge soldering kit that @Stupidbird could approve of

2

651

•

‘I spot brand new TVs, here to be shredded’: the truth about our electronic waste

4

ᐊ page 4 ᐅ