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Interior of three-level touch dimmer for bedside lamp - TT6061

p.kaczmarek2   25 May 2026   (5)
Devices Teardown
29 May 2026 21:16

The Lucky Hawk 8204 USB power supply splitter, again about product safety

p.kaczmarek2   10 May 2026   (11)
Devices Teardown
29 May 2026 20:59

Where does the myth of silver-plated and gold-plated audio cables come from, does it make sense?

andreyatakum   21 May 2026   (40)
Topics of the week
28 May 2026 18:53

Is it worth buying a USB C soldering iron? We are testing the Yato YT-82490 65 W compatible T12

p.kaczmarek2   20 May 2026   (16)
Articles
26 May 2026 23:53
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The interior of the Bosch IVS SLIM module, i.e. telemetry and fender detection in Car Sharing vehicl

p.kaczmarek2   18 May 2026   (4)
Devices Teardown
26 May 2026 09:47

Test of 10 Ah powerbanks - JR-L005, JR-PBF17 and JR-PBF19. What to choose for a short trip?

p.kaczmarek2   23 May 2026   (0)
Articles
23 May 2026 12:53

Inside the UE55MU6452U big screen TV, analysis, decoding and flash simulation for the agent

p.kaczmarek2   05 May 2026   (18)
Devices Teardown
21 May 2026 00:53
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Practical test of the Yihua 852D+ soldering station (2-in-1, hot air 700 W and 60 W 900M flask solde

p.kaczmarek2   17 Apr 2026   (13)
Articles
18 May 2026 20:43

Analysis of the inside of the router, memory ripping, bootloader, custom program for UART

p.kaczmarek2   15 May 2026   (2)
Devices Teardown
18 May 2026 13:32

Time delay relay for delaying the switching on/off of the receiver - retro presentation - E. Dold &a

p.kaczmarek2   17 May 2026   (3)
Devices Teardown
17 May 2026 22:17

Is it worth buying a no-name powerbank on Aliexpress? Blind purchases and 50 Ah measurements

p.kaczmarek2   31 Mar 2026   (10)
Articles
17 May 2026 12:14

The simplest (type in) password manager with USB configuration like a memory stick

p.kaczmarek2   14 May 2026   (4)
Articles
16 May 2026 12:40

The inside of the Polish retro power supply Polwat PWS-100 RM 24V/4A - has it survived the years of

p.kaczmarek2   09 May 2026   (27)
Devices Teardown
16 May 2026 12:16

How a racing set is built - steering wheel and pedals for USB/Playstation and PS/2

p.kaczmarek2   27 Apr 2026   (3)
Devices Teardown
16 May 2026 09:47

PIC12F683 - two-channel dimmer and encoder support on 128 bytes of RAM

p.kaczmarek2   11 Apr 2026   (5)
Articles
14 May 2026 00:51

DIP-encapsulated micro relays to be driven directly from the microcontroller/ESP pin?

p.kaczmarek2   21 Apr 2026   (26)
Articles
28 Apr 2026 22:12

Tasmota replacement for BL602, programming, pairing with Home Assistant, now with OTA working!

p.kaczmarek2   24 Apr 2022   (503)
Articles
27 Apr 2026 17:17

Simple clock on PIC12F683 - three pins, two I2C buses - DS1307 + FD650

p.kaczmarek2   26 Apr 2026   (1)
Articles
27 Apr 2026 05:58

The most shot-put components - a few words about noise filters and RIFA capacitors

filipcichowskidev   09 Dec 2025   (41)
Articles
22 Apr 2026 13:15

Minitest and interior presentation - retro M8 console/emulator with two pads, RetroArch

p.kaczmarek2   13 Feb 2026   (9)
Devices Teardown
22 Apr 2026 12:39

PIC16LF1459 tutorial - USB HID support in the free SDCC compiler - LED, mouse and keyboard

p.kaczmarek2   15 Apr 2026   (2)
Articles
20 Apr 2026 12:00

Custom pen drive from scratch - PIC microcontroller and EERAM memory - no external libraries

p.kaczmarek2   19 Apr 2026   (4)
Articles
20 Apr 2026 07:53

Running a simple MIPS emulator in Python for ALI M3801 firmware (Hello World)

p.kaczmarek2   19 Jan 2026   (9)
Articles
19 Apr 2026 18:14

Minitest: DigiTOP VP-16Af voltage relay for photovoltaics

p.kaczmarek2   13 Apr 2026   (1)
Articles
19 Apr 2026 00:42

Minitest: the cheapest UPS to maintain your computer after a power loss, thermal imaging, overheatin

p.kaczmarek2   17 Mar 2026   (17)
Articles
15 Apr 2026 08:35

Capacity test - UPS for router with USB and PoE, 15 and 30 W versions

p.kaczmarek2   04 Apr 2026   (4)
Articles
13 Apr 2026 19:27

RE22-121000 Temperature Controller – Made in Poland – internal view

p.kaczmarek2   08 Apr 2026   (17)
Devices Teardown
10 Apr 2026 19:05

Inside the surge protector strip and USB power supply test - SFS133 Defender Surge Protector

p.kaczmarek2   09 Apr 2026   (1)
Devices Teardown
10 Apr 2026 06:52

Retro triple time relay - VL-34UKHL4 - gallery from inside

p.kaczmarek2   07 Apr 2026   (2)
Devices Teardown
08 Apr 2026 10:15

PIC18F2550 thermometer/hygrometer with AHT20 - part 2, ADC, brightness control, housing

p.kaczmarek2   23 Jul 2025   (4)
Articles
06 Apr 2026 17:09

How I reduced my IoT config page size 11 times by using Javascript instead of static HTML

p.kaczmarek2   11 May 2024   (40)
Articles
04 Apr 2026 16:26

How is a PoE 60 W switch designed for monitoring constructed? Designed in Poland?

p.kaczmarek2   20 Mar 2026   (15)
Devices Teardown
01 Apr 2026 10:58

Portable X12 1100+ games console with TV output - test, interior, construction

p.kaczmarek2   30 Mar 2026   (4)
Devices Teardown
31 Mar 2026 09:22

Can adding RAM mess up the BIOS? A simple laptop upgrade that got complicated

p.kaczmarek2   22 Mar 2026   (16)
Articles
30 Mar 2026 19:22

Minitest: Camecho 10" LCD Monitor 1024x600 VGA HDMI BNC AVI presentation with camera

p.kaczmarek2   28 Mar 2026   (4)
Articles
30 Mar 2026 06:59

Kitchen radios from different eras - a comparison - SilverCrest SKR 800 C3 2018 vs URB 693A

p.kaczmarek2   24 Mar 2026   (11)
Devices Teardown
28 Mar 2026 22:33

How to program the ESP32 C3 Mini TV LCD 1.44inch ST7735 module? PlatformIO tutorial

p.kaczmarek2   05 Dec 2024   (8)
Articles
26 Mar 2026 21:51

tscircuit - online PCB design in React/TypeScript, from code to hardware

p.kaczmarek2   25 Mar 2026   (6)
News
26 Mar 2026 11:10

Flush-mounted electrical socket with USB - interior, minitest, thermal imaging (overheating test)

p.kaczmarek2   13 Mar 2026   (24)
Devices Teardown
25 Mar 2026 08:58

Will a USB C splitter/hub work with a smartphone? Experiments, wired ethernet, UART

p.kaczmarek2   11 Mar 2026   (13)
Articles
15 Mar 2026 09:40

Could a socket splitter from China be dangerous? Missing PE wiring

p.kaczmarek2   09 Mar 2026   (46)
Devices Teardown
14 Mar 2026 15:57

Videotest: cordless/rechargeable soldering iron 10 W TK-USB

p.kaczmarek2   24 Feb 2026   (8)
Articles
12 Mar 2026 15:54

Lilygo T-Connect with ESP32 - CAN bus and three RS485 on one board

p.kaczmarek2   08 Mar 2026   (9)
Articles
11 Mar 2026 23:55

Multi-platform support for USB to UART converter - Android, Web, Windows

p.kaczmarek2   05 Feb 2026   (16)
Articles
09 Mar 2026 13:47

LCR-T4 electronics components tester ATMega328 - Test and Review

TechEkspert   28 Jun 2017   (650)
Articles
07 Mar 2026 07:21

Grinn Collaborates with Renesas to Launch Grinn ReneSOM-V2H (Sponsored)

magic9   05 Mar 2026   (0)
News
05 Mar 2026 12:44

Self-assembly kit LED clock CAI-201 STC8G1K17 + DS1302 with housing

p.kaczmarek2   16 Feb 2026   (29)
Articles
04 Mar 2026 15:48

Inside the HP PSC1410 printer, analysis and emulation of firmware from inside on Windows

p.kaczmarek2   03 Mar 2026   (1)
Devices Teardown
03 Mar 2026 20:33

DigiSpark mini Arduino ATtiny85 module, commissioning, test

TechEkspert   15 Jul 2018   (32)
Articles
01 Mar 2026 10:48

Interior, failure rate and construction of a 50W outdoor LED floodlight with motion sensor

p.kaczmarek2   06 Jan 2026   (16)
Devices Teardown
27 Feb 2026 06:54
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