The atomic14 newsletter focuses on DIY electronics projects, emphasizing the ESP32 microcontroller and related technologies. It covers PCB design, video decoding, USB power solutions, and practical applications like addressable LED curtains and minimalistic microcontroller development. The content also includes product teardowns, DIY tips for creating and improving electronic devices, and updates on the author's projects.

DIY Electronics Microcontroller Projects PCB Design and Fabrication Video and Audio Processing Power Solutions Product Teardowns 3D Printing DIY Tips and Tricks Technology Reviews Newsletter Updates

The hottest Substack posts of atomic14

And their main takeaways
866 implied HN points 15 Oct 23
  1. Always double-check your PCB design before finalizing it
  2. Consider sleeping on your design decisions to spot potential issues later
  3. Explore different connection options to maximize the functionality of your PCB
173 implied HN points 01 Jan 24
  1. A project that allows you to view live GPIO pins on an ESP32 module.
  2. Simple setup process by including a specific header file.
  3. Limitations include only supporting digital or PWM and not handling complex protocols.
346 implied HN points 26 Sep 23
  1. Decoding AVI files on ESP32 involves using JPEG frames for efficient video streaming.
  2. Connecting an SD Card to ESP32 for locally stored videos is easy and supports large files.
  3. AVI file format simplifies storing video files and can be easily navigated for video and audio data processing.
177 HN points 02 Nov 23
  1. USB-C powered devices are common in workspaces now.
  2. Having multiple USB powered devices may require more USB power.
  3. Consider using USB-C hubs with multiple ports for added convenience.
Get a weekly roundup of the best Substack posts, by hacker news affinity:
173 implied HN points 19 Aug 23
  1. The PCBs actually work despite some improvements that can be made.
  2. Followup videos will be made to test the rest of the project and make improvements.
  3. Overall feeling pretty pleased with the progress.
2 HN points 16 Feb 24
  1. DIY nickel plating on PCBs can be a surprisingly simple process, but attention to detail is crucial for successful results.
  2. Using a hard wearing coating like nickel plating on copper PCBs can improve durability and scratch resistance.
  3. Experimenting with electroplating at home requires careful setup, attention to details like cleanliness and voltage, and may lead to interesting results and improvements in PCB toughness.
2 HN points 27 Jan 24
  1. The mini handheld video arcade game mostly operates through a single chip on the PCB.
  2. The large IC in the device is meant for flash storage that holds 156 games.
  3. Despite its small size, the game's design is quite impressive with a single-sided board and innovative routing.
1 HN point 03 Feb 24
  1. EasyEDA has tight integration with LCSC parts catalog and provides symbols, footprints, and 3D models.
  2. KiCad allows exporting PCB as a 3D model in different formats, useful for enclosure design.
  3. To fill missing parts in KiCad library, users may need to create symbols, footprints, and 3D models themselves or search online resources.
1 HN point 12 Dec 23
  1. Addressable LED curtains are very hackable with lots of opportunities
  2. The LEDs in the curtain are pre-programmed with their position on the string
  3. LED curtains can be easily driven using the popular WLED firmware
1 HN point 22 Nov 23
  1. The ESP32-S3 is flexible but has specific pins that should not be used.
  2. Check out the helpful page for ESP32 pin references on Random Nerds.
  3. Feel free to contribute or suggest improvements to the ESP32-S3 pinout document on GitHub.
2 HN points 01 Aug 23
  1. The TinyTV teardown reveals interesting components like the tiny 3v3 Low Dropout Regulator.
  2. The remote control of the TinyTV uses an ATtiny441.
  3. The author is planning to create their own version of the TinyTV with parts ordered from AliExpress and PCB from PCBWay.
0 implied HN points 13 Sep 23
  1. One step closer to TinyTV
  2. We've got sound and a working screen!
  3. Progress in achieving both sound and visual components
0 implied HN points 12 Sep 23
  1. FNIRSI sent a USB soldering iron and a 3in1 Oscilloscope.
  2. The author received these items to play with.
  3. The post includes images of the products being shared.
0 implied HN points 25 Aug 23
  1. The author bought a hot air rework station for ESP32-S3 boards.
  2. The hot air rework station seems to work well.
  3. The post includes a link to Chris Greening's profile on Substack.
0 implied HN points 25 Oct 23
  1. The author struggles with 3D printing and often has to relearn everything from scratch.
  2. It took multiple attempts for the author to successfully create a working power supply.
  3. Despite the challenges, the author now has a safe power supply for future projects.
0 implied HN points 25 Jun 23
  1. Early access to next video for newsletter subscribers
  2. Thumbnail choice for video not yet decided
  3. Sharing post available on different platforms
0 implied HN points 24 May 23
  1. Stay up to date with Atomic14 posts and videos by subscribing to the newsletter.
  2. Get notified about new blog posts and videos by signing up for the newsletter.
  3. Don't miss out - subscribe to the Atomic14 newsletter today!
0 implied HN points 12 Nov 23
  1. Printing PCBs at home can be done with machines like Voltera using conductive ink.
  2. There are limitations to home PCB printing such as trace width, component sizes, and fragile bonding.
  3. The process involves steps like printing the circuit, curing the ink, dispensing solder paste, manual component placement, and reflow.
0 implied HN points 10 Oct 23
  1. USBMSC allows mapping the SD Card through ESP32 for computer access.
  2. Speed limitations exist when using ESP32 as a mass storage controller over USB1.1 connection.
  3. Improving performance by using SDIO in 4 bit mode or writing in the background.
0 implied HN points 28 Aug 23
  1. Arduino Nano ESP32 is a nice board but can be slightly expensive.
  2. It is pin compatible with the existing Nano board which may lead to confusion.
  3. Using the Arduino pin numbers instead of ESP32 GPIO pin numbers can result in unexpected outcomes.
0 implied HN points 15 Jun 23
  1. The author visited The Center of Computing History in Cambridge.
  2. The visit resulted in a short blog post with photos and a video montage.
  3. The author's experience at the center was summarized in the post.
0 implied HN points 30 Sep 23
  1. SIMD instructions can speed up JPEG file decoding by operating on multiple data elements at once.
  2. New decoding library decoded a test image in 20ms on an ESP32-S3.
  3. Using DMA for pixel drawing with the new library can optimize the process and result in a fast frame rate.
0 implied HN points 30 Aug 23
  1. The importance of hardware SPI in achieving speed
  2. Some Arduino libraries default to software SPI
  3. ESP32-S3 has no restrictions on pins for SPI
0 implied HN points 17 Jul 23
  1. There's a debate about whether there's a replacement for AliExpress or an Amazon killer
  2. The products seem similar to what's available on AliExpress or slightly more expensive on Amazon
  3. The idea of ordering items to compare quality is discussed
0 implied HN points 27 Jul 23
  1. Building a minimalist dev board using ESP32-S3 requires very few components.
  2. A fully functional dev board can be created with minimal resources.
  3. Video and blog content are available for guidance on creating the dev board.
0 implied HN points 13 Jul 23
  1. New video on the atomic14 YouTube channel features a wireless powered Raspberry Pi running DOOM.
  2. Accompanying blog post is available on the atomic14 website for those who prefer to read.
  3. The post was shared on various platforms like Facebook and email for wider viewership.
0 implied HN points 25 Dec 23
  1. The writer received an unexpected gift from Unexpected Maker.
  2. They wished everyone a great Christmas.
  3. Expressed gratitude to subscribers, viewers, and commenters.
0 implied HN points 20 Nov 23
  1. New PCBs for the ESP32-TV project arrived, requiring only one bodge resistor for operation.
  2. An error in the schematic led to both the ESP32 and USB2244 being active on the same USB connection.
  3. A more serious error was found on the PCB, prompting a review of the schematic for potential issues.
0 implied HN points 01 Jun 23
  1. Chris Greening has made a ChatGPT plugin that allows users to play chess.
  2. The blog post focuses on usage and costs statistics of the ChatGPT plugin.
  3. Read the full blog post for more insights on the plugin's performance.
0 implied HN points 15 Aug 23
  1. The author received new PCBs for ESP32-S3 boards.
  2. They have a variety of items from AliExpress and Amazon for upcoming projects.
  3. There are enough projects planned to last through the end of the year.
0 implied HN points 08 Sep 23
  1. The post is about Adventures In Image Processing
  2. The content is not specific to iOS, but interesting for the general community
  3. The author shared their talk about image processing at iOSDevUK 2023
0 implied HN points 20 Sep 23
  1. The project successfully achieved streaming video and audio using ESP32.
  2. While WiFi streaming was chosen, streaming from an SD card is also viable.
  3. Not having an SD card connected to the PCB is a current issue.
0 implied HN points 26 Sep 23
  1. Creating an SD Card video player is easier than expected.
  2. Playing AVI files from the SD Card works well with a few bugs in the code.
  3. The SD Card video player is functional despite possible bugs.
0 implied HN points 21 Dec 23
  1. There is a Christmas quiz happening tonight at 9pm (GMT).
  2. The event is described as the event of the year.
  3. There will be special guest stars at the Christmas quiz.
0 implied HN points 14 Jan 24
  1. Fixed USB conflict with USB2244 and ESP32
  2. Corrected error with battery charging by not sending USB 5V to battery
  3. Added microphone to the board for new possibilities
0 implied HN points 25 Feb 24
  1. The post is about an extras video on DVD repair that was shared on a substack platform
  2. There are links to the content creator's profile and social media platforms like Facebook and email
  3. The post was published on Feb 25, 2024, and involves sharing content and engaging with the audience