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Reverse engineering of an unknown I2C protocol with Sigrok analyzer

p.kaczmarek2   25 Jul 2023   (10)
Articles
11 Feb 2025 07:25

PCF8574 port expander module - PlatformIO tutorial - Arduino/ESP/itd pin expansion

p.kaczmarek2   17 Jan 2025   (11)
Articles
09 Feb 2025 20:04

WiFi Manager in PlatformIO - convenient WiFi configuration for ESP8266 and ESP32 - tutorial

p.kaczmarek2   02 Feb 2025   (4)
Articles
06 Feb 2025 10:06

ksIotFrameworkLib - IoT framework based on arduino port for Esp8266 and ESP32 platforms

cziter15   02 Feb 2025   (3)
Articles
05 Feb 2025 18:12

Cleaning and commissioning an old Brother printer - a working printer from the rubbish for free?

p.kaczmarek2   07 Jul 2024   (27)
Repairs & Renovation
23 Jan 2025 21:14

Energy meter/thermostat with LCD - S1TW-FR - first impression, Tuya app

p.kaczmarek2   05 Jun 2024   (2)
Articles
21 Jan 2025 12:42
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ESP32-Cam, how do I start and operate a camera with ESP32 in PlatformIO?

p.kaczmarek2   23 Dec 2024   (3)
Articles
20 Jan 2025 12:13
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Dreame V9 battery regeneration.

oldking   01 Oct 2024   (35)
Repairs & Renovation
17 Jan 2025 22:20

Digital panel meter - Voltmeter / Ammeter - made in China.

CMS   20 Mar 2018   (90)
Articles
16 Jan 2025 17:32

Nous Smart Socket A1 (BK7231)

AcuarioCat   23 Jun 2022   (8)
Articles
14 Jan 2025 18:34

SMR disk trap, CMR vs SMR on the SGdata channel

TechEkspert   11 Nov 2022   (11)
Video Tutorials
07 Jan 2025 07:35

ZN268131 WiFi Smart Switch that allows you to connect a bistable button

p.kaczmarek2   25 May 2022   (49)
Articles
28 Dec 2024 09:22

Why film capacitors lose their capacity - MKP X2 capacitor section

TechEkspert   13 Sep 2020   (26)
Articles
23 Dec 2024 22:02

DCF77 reception interference due to pulse power supply operation

TechEkspert   08 Dec 2024   (46)
Articles
18 Dec 2024 13:25

Simple controller for WS2812, Bluetooth and remote control, SP620E, up to 600 LEDs for £15

p.kaczmarek2   15 Dec 2024   (2)
Articles
16 Dec 2024 12:43

Interior of an old Polish radio receiver UNITRA Sniezka R-207

p.kaczmarek2   26 Sep 2020   (97)
Devices Teardown
12 Dec 2024 19:33

PY32F002 - Chinese ARM for 8 cents from PUYA

piotr_go   03 Jan 2023   (77)
Articles
10 Dec 2024 22:22

How to get the weather from the OpenWeatherMap API on sockets alone? API tutorial, JSON, C

p.kaczmarek2   03 Dec 2024   (6)
Articles
08 Dec 2024 21:18

Set - DC / DC converter 9A XL4016 and panel meter DSN-VC288, assembly, test

TechEkspert   23 Apr 2018   (166)
Articles
07 Dec 2024 16:56

ESP32 and touch display - tutorial part 4 - weather from the internet, API, JSON

p.kaczmarek2   20 Jul 2024   (3)
Articles
03 Dec 2024 15:43

Will a DIY cooling stand made from 12V fans help with laptop overheating?

p.kaczmarek2   07 Sep 2024   (24)
Articles
30 Nov 2024 22:16

PCBWay at Electronica 2024: Innovations in PCB and PCBA production in Munich (Sponsored)

magic9   29 Nov 2024   (0)
News
29 Nov 2024 07:49

How do you build your own Marine AIS receiver?

andreyatakum   31 Oct 2024   (8)
Articles
27 Nov 2024 14:29

History of the Wektor-06C computer: Soviet competition for the ZX Spectrum

andreyatakum   12 Nov 2024   (21)
Articles
20 Nov 2024 18:52

PIC12F683 and SDCC - whole clock and thermometer on two pins (no external libraries)

p.kaczmarek2   07 Nov 2024   (3)
Articles
20 Nov 2024 17:21

Honda vs AIVOLT - generator test

piotr_go   24 Jun 2024   (22)
Articles
18 Nov 2024 17:22

Videotests, measurements and teardown of Yato YT-82457 hot air station bought for 35$ - a better 858

p.kaczmarek2   11 Nov 2024   (6)
Articles
12 Nov 2024 23:16

FreeStyle Libre 2 blood glucose sensor

zgierzman   06 Oct 2024   (55)
Devices Teardown
11 Nov 2024 20:34

Interior of Monika radio from Eltra Audiox, model 410, FM/LW

p.kaczmarek2   22 Oct 2024   (17)
Devices Teardown
09 Nov 2024 14:35

Battery replacement kit for iPhone 7 Plus - can a layman do it? What is the cost of the whole thing?

p.kaczmarek2   29 Oct 2024   (9)
Articles
07 Nov 2024 08:52

Let's analyze and run a 48 LED module on shift registers with Arduino - HC164A

p.kaczmarek2   01 Nov 2024   (1)
Articles
04 Nov 2024 16:11

PIC12F683 and SDCC - tutorial - how to create a simple dimmer (and read datasheets)

p.kaczmarek2   24 Aug 2024   (17)
Articles
03 Nov 2024 17:57

Hard drive internals: 341 MB, 10 GB, 80 GB, 320 GB, 500 GB, 750 GB. Museum.

p.kaczmarek2   06 Oct 2024   (23)
Devices Teardown
29 Oct 2024 15:36

Hot air station 858 for £150 - what cheap hot air to fly off laptop, computer boards?

p.kaczmarek2   24 Sep 2024   (19)
Articles
27 Oct 2024 21:13

Is it possible to get a TV to work after a flood? Interior cleaning, repair, photos

p.kaczmarek2   07 Oct 2024   (39)
Devices Teardown
22 Oct 2024 22:12

Good MOSFETs at 5V for free? Recovering parts from an old PC motherboard

p.kaczmarek2   01 Oct 2024   (20)
Devices Teardown
22 Oct 2024 08:44

UNI-T UT210E True RMS clamp meter - Test / Review / Description

CMS   06 Feb 2019   (51)
Articles
08 Oct 2024 11:40

ESP32 and touch display - part 7, how to make a keyboard in LVGL? Login.

p.kaczmarek2   05 Oct 2024   (1)
Articles
07 Oct 2024 21:08

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

p.kaczmarek2   11 May 2024   (30)
Articles
03 Oct 2024 18:51

Mouse museum - gallery - inside an old PS/2 ball mouse, how does it work?

p.kaczmarek2   10 Sep 2024   (29)
Devices Teardown
30 Sep 2024 16:02

ESP32 and touch display - part 5 - LVGL in SquareLine Studio

p.kaczmarek2   10 Aug 2024   (7)
Articles
27 Sep 2024 18:45

What surge and USB protection system does the 10$ power strip have?

p.kaczmarek2   08 Jul 2024   (94)
Devices Teardown
20 Sep 2024 16:42

Microwave motion detector RCWL-0516

TechEkspert   06 Aug 2024   (11)
Articles
17 Sep 2024 20:00

Meet ElektrodaBot - the OpenAI-powered bot on Elektroda that can provide answers to your questions.

gulson   16 Mar 2023   (16)
Articles
14 Sep 2024 22:01

Repair of Aneng AN8009 meter - erroneous ohmmeter readings

Olkus   31 Aug 2024   (34)
Repairs & Renovation
12 Sep 2024 17:19

GPT-4: Discover the Power of ElektrodaBot, the Revolutionary Bot Driven by ChatGPT-4

gulson   29 Mar 2023   (126)
Articles
04 Sep 2024 18:57

ESP32 and touch display - part 6, RGB lamp control, RGB picker

p.kaczmarek2   04 Sep 2024   (0)
Articles
04 Sep 2024 09:23

Celma PRCb - retro drill from electro-junk - simple repair and teardown - is it worth it?

p.kaczmarek2   19 Aug 2024   (43)
Devices Teardown
03 Sep 2024 13:31

BK7231 programming via SPI in flash memory mode - Python and Banana Pi

p.kaczmarek2   04 Nov 2022   (26)
Articles
28 Aug 2024 14:42

YAGI PCB 2.4GHz WiFi antenna for ESP-NOW

TechEkspert   07 Aug 2024   (28)
Articles
22 Aug 2024 10:28
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