Member and Staff Blogs

  • How to connect an ESP32 to DOBI

    How to connect an ESP32 to DOBI

    dobi_terminal
    This guide walks you through the minimal firmware skeleton that turns a plain ESP32 into a DOBI-managed device. Every DOBI integration follows the same three-part flow: register with a provisioning key, send a heartbeat with metrics, and listen for c...
  • How to configure a DAM (AI agent) in DOBI

    How to configure a DAM (AI agent) in DOBI

    dobi_terminal
    A DAM (Decentralized Autonomous Manager) is the AI agent that watches a cluster of devices, evaluates alarm rules every few seconds, and acts autonomously. In this project you create one with the 5-step wizard, define its behavior and alarm rules, pi...
  • Amazon Fire TV Stick 4K Select teardown

    Amazon Fire TV Stick 4K Select teardown

    kk99
    The Amazon Fire TV Stick 4K Select is quite a new device equipped with MT8698 SoC, that runs four ARM Cortex-A55 core, 1 GB LPDDR RAM and 8 GB eMMC. This device is the one of first that runs a new operating system called Vega OS, that is based on Lin...

  • Building a Real, Working Star Trek Tricorder (Rev 2)

    VishalSoni00
    {gallery}My Gallery Title The Title image  functions, more you can see on my hackster raw circuit diagram made in canva size of the device, could easily fit in hands  after paint and clear spray  A couple...

  • Webinar Prizes have Arrived !!

    veluv01
    Sometimes a webinar is just another event on your calendar. You join, listen to a few presentations, learn something new, and eventually move on to the next thing. But occasionally, something much more interesting comes out of it. What started as sim...

  • Debian 13 on ts7600

    SensoredHacker0
    # Debian 13 on the TS-7600**TL;DR:** I have Debian 13.6 (Trixie) running on the TS-7600 with Linux kernel 6.12.103.The current build work is here:https://github.com/FOSSBOSS/ts7600 The disk image is here:https://drive.google.com/file/d/1p21ueJPkhPx4I...

  • Is the ESP32-C61 worth paying attention to?

    micheal.embedded
    I've been looking at the ESP32-C61, and it’s an interesting addition to Espressif’s lineup. All in a compact, low-cost module. What stands out to me isn’t just the feature list, but how it fits into the existing ESP-IDF ecosyst...

  • IDEC-TUI Gets an update

    SensoredHacker0
    Real quick: IDEC-TUI is a command line utility for reading, writing, and monitoring IDEC PLC registers and assets. Operates over usb serial, and it is still very much a work in progress. However there has been some new features added: Scrip...

  • PLC Pandemonium: On The Line Challenge

    SensoredHacker0
    SensoredHacker's On The Line Challange with PLCs, HMIs, Arduinos R&D from May through June 2026 The original FC6A library began after a work project where I needed to log basically every PLC event in a testing array. I wrote the functions I neede...
  • Si5351 Clock Generator

    Si5351 Clock Generator

    kk99
    The main concept was to build a clock generator that supported at least a 50 MHz frequency. I have decided to use a module with Si5351. This module supports the three simultaneous outputs for which it is possible to set individual output frequencies....

  • The car radio issue

    kk99
    A few weeks ago, I was asked to check the car's radio that had an issue with power on. It was the Blaupunkt Bremen 975, which is one of those radios with Android. The initial check and measurements showed that, from the perspective of electronic...

  • Siglent SDS2104X HD

    kk99
    For a few months, I was the owner of Siglent SDS824X HD, which is a really good device in case of performance and price ratio. But I have decided to perform an upgrade and get one more advanced device which supports higher bandwidth, sampling a...
  • ESP32 Bit Pirate - Hardware Hacking in your browser

    ESP32 Bit Pirate: a browser-based hardware debugging ecosystem around ESP32

    geotp
    ESP32 Bit Pirate is open-source firmware that turns your device into a multi-protocol development and analysis tool, inspired by the legendary Bus Pirate. When I started working on ESP32 Bit Pirate, the idea was simple: take the spirit of the origina...
  • A Cardputer with a C5 extension running Bit Pirate

    ESP32 Bit Pirate - A Hardware Hacking Tool with Web-Based CLI That Speaks Every Protocol

    geotp
    ESP32 Bit Pirate is an open-source firmware that turns your device into a multi-protocol hacker's tool, inspired by the legendary Bus Pirate. It supports sniffing, sending, scripting, and interacting with various digital protocols (I2C, UART, 1-Wir...

  • Cutting Edge PLC Implementations.

    SensoredHacker0
    Oh Boy, Ive really done it now. When I told our OEM  PLC supplier that we need to delete old log files, They just about lost it. We can write files, every second of everyday, but when the on board memory gets full, there is no method ...

  • Analog Discovery 3 - current and power measurement

    kk99
    Background  The Analog Discovery 3 has support for two programmable power supplies with a voltage range 0.5V to 5V and -0.5V to -5V. These power supplies have support for voltage readback, but there is no information about current usage. Even t...

  • Validating an idea: a tool to explain STM32/Cortex-M HardFaults more clearly

    Moussa1492
    Hi everyone, I’m working on a small tool idea around STM32 / Cortex-M debugging, and I’d like honest feedback before building too much. The problem I’m trying to validate is this: When a Cortex-M firmware crashes into HardFault_Hand...

  • Analog Discovery 3 - Curve Tracer

    kk99
    The WaveForms has a nice feature that allows us to perform characterization of elements like diodes or transistors. By default, it requires a dedicated adapter. However, there is an option to use a breadboard and a simple circuit. For example, to ch...

  • Thank you E14 For The Surprise

    meera_hussien
    I received this surprise swag bag last week, but unfortunately I was not able to make a post because I was having problems with my desktop. Now that the issue has been resolved, I am finally able to share it. First of all, I was completely surprised ...

  • See a Parakeet Dive Underwater in Its Own Submarine

    Catwell
    Bebe the green parakeet explores the underwater world In a DiY submarine built by Steven Lawyer. (Image Credit: bebebirdparrot/Instagram) Parakeets are great pets with high intelligence and social skills. However, they can’t dive in the water,...

  • E14 swag set received!

    JWx
    I have also recently received unexpected package full of E14 swag, along with 2025 Community Roundup badge E14 staff - thank you very much!

  • Analog Discovery 3 - StaticIO

    kk99
    Some time ago, I occasionally bought an HP 5082-7010 LED display, which I did not have time to test if working properly. Today I decided to do this with the help of Analog Discovery 3. The HP 5082-7010 is a single-digit red LED numeric display modu...

  • E14 Swag Bag - Thank you E14

    arvindsa
    I received by Swag bag yesterday, Being mentioned as a Rising Contributor in  2025 Year in Review & Celebrating You  It has been a honor to be part of this community. I started being active on this community almost an year ago and ...

  • Thanks for the swag surprise

    BigG
    I was taken by surprise when a package had my name on it and it wasn't something I remembered ordering. It was full of swag from e14. Happy days. Thank you so much. It's always appreciated. As a fan of e14 I just love the fan... after la...

  • What was your last Aluminum based Project?

    e14phil
    element13 Certified Joined the group of element13 insiders for the metallic redesign in 2026! ...