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  • MLX90640 Thermal Camera on Wio Terminal

    ralphjy
    ralphjy
    I'm want to use the MLX90640 Thermal Camera module from Adafruit with my Wio Terminal to make a diagnostic tool that I can use for thermal measurements.  I tried out a module with a 55 degree FOV lens with Jupyter Notebooks on my PC Using the ML...
    • 10 Nov 2021
  • Using the MLX90640 Thermal Camera with Jupyter Notebooks

    ralphjy
    ralphjy
    I've been looking for a quick project that I could do on a rainy day (we're going to have lots of rain this winter )... I was inspired by a blog post by fmilburn where he integrated the MLX90640 IR Camera from Melexis with an Adafruit Ed...
    • 7 Nov 2021
  • JQ6500 Standalone

    ralphjy
    ralphjy
    I previously wrote a post about the JQ6500 MP3 Player .  I wanted to build a standalone module that I could use in projects.  Some of my projects just require the ability to play one or two short audio tracks (~1-2 minutes) and the JQ6500 s...
    • 9 Oct 2021
  • JQ6500 MP3 Player

    ralphjy
    ralphjy
    I recently saw a discussion by Sean Conway about an MP3 Player that he was attempting to control: Looking for member insight into the JR6001 Serial MP3 Custom Programmable Sound Recorder Module . That inspired me to try out a similar module - th...
    • 26 Sep 2021
  • Camera Module for Raspberry Pi Pico

    ralphjy
    ralphjy
    I'm currently participating in the Low Power IoT Challenge.  I am trying to find a low power camera that I can use with the PSoC 62S2.  I've tried the OV7670: Arduino Nano 33 BLE Sense with OV7670 Camera .  I've ruled that ...
    • 18 Sep 2021
  • Object Classification - Nano 33 BLE Sense with OV7670 Camera

    ralphjy
    ralphjy
    This is a continuation of my post: Arduino Nano 33 BLE Sense with OV7670 Camera . I wanted to do a quick evaluation of the performance on a deployed object classification model.  I decided to develop a simple model to identify 3 fairly dist...
    • 14 Sep 2021
  • Arduino Nano 33 BLE Sense with OV7670 Camera

    ralphjy
    ralphjy
    I've been looking for a camera board that I could use with the PSoC 62S2 dev board for the Low Power IoT challenge.  This dev board does not have a dedicated camera interface and I haven't seen any examples using a camera.  vlasov01...
    • 12 Sep 2021
  • Summer of tinyML - Luxonis and Intel

    ralphjy
    ralphjy
    This post is a continuation of my tinyML learning journey this summer that is inspired by the Hackster Eyes on the Edge Vision Challenge https://www.hackster.io/contests/tinyml-vision . I've been attending as many of the tinyML.org webinars ...
    • 29 Jul 2021
  • Summer of tinyML - Himax and Edge Impulse

    ralphjy
    ralphjy
    As I mentioned in my previous post Summer of tinyML , Hackster.io has been running a series webinars on tinyML in conjunction with their tinyML Vision Challenge. I missed a webinar last month that covered using the Himax WE-I Plus AI Development...
    • 14 Jul 2021
  • Summer of tinyML

    ralphjy
    ralphjy
    We're well into Element14's Summer of FPGAs: The Summer of FPGAs - Agenda . Lots of great webinars, workshops, and Roadtests . And Hackster.io is running the Big Xcellent Adventure with Xilinx: https://events.hackster.io/xcellent .&...
    • 10 Jul 2021
  • Nordic Power Profiler Kit II (PPK2)

    ralphjy
    ralphjy
    I'm starting to get more involved with battery powered Edge AI devices and had the opportunity to acquire a tool that would allow me to characterize real-time power consumption - the Nordic Power Profiler Kit II (PPK2).https://www.nordicsemi.com/Prod...
    • 9 Jul 2021
  • Matter Alliance

    ralphjy
    ralphjy
    I just saw an interesting post on c|net about Matter Alliance.  Apparently it is a consortium of companies to bring interoperability to smart home devices.  It has major players like Apple, Google, and Amazon involved.https://www.cnet.com/v...
    • 19 Jun 2021
  • Adafruit DVI Breakout - with RPi-Pico

    ralphjy
    ralphjy
    I'd previously used a SparkFun RP2040 Micromod with a Big Display Carrier Board to try Luke Wren's Bit-Banged DVI RP2040 HDMI Display . I saw that Adafruit had designed an inexpensive ($1.95) Breakout Board that would allow you to do this with a...
    • 6 Jun 2021
  • M5Stack UnitV2 - Jupyter Notebooks

    ralphjy
    ralphjy
    I've found Jupyter Notebooks to be very useful for interactive Python development.  I first started using them with the PYNQ-Z2 and most recently running machine learning models in Google Colab. I had hoped to see a few AI example noteb...
    • 6 Jun 2021
  • M5Stack UnitV2 - Out of Box Applications

    ralphjy
    ralphjy
    I just received my UnitV2 that I described in a previous post M5Stack UnitV2 - Standalone AI Camera for Edge Computing and thought that I'd do a quick run though of the OOB applications on the device. Initial connection and operation is reasonab...
    • 4 Jun 2021
  • M5Stack UnitV2 - Standalone AI Camera for Edge Computing

    ralphjy
    ralphjy
    M5Stack recently released the UnitV2 which is totally different from the earlier UnitV (and quite a bit more expensive!).  I have found the StickC devices to be very handy and have used them in a few projects.  I have been interested in the...
    • 3 Jun 2021
  • MAX78000FTHR FaceID Demo

    ralphjy
    ralphjy
    My experience with the MAX78000 ecosystem so far has been really frustrating.  Like other design frameworks that I've encountered recently, the Maxim setup uses an Eclipse IDE on top of CMake tools.  I've found these frameworks extremely di...
    • 27 May 2021
  • MAX78000FTHR with 2.4" TFT FeatherWing

    ralphjy
    ralphjy
    The nice thing about using a Feather compatible footprint is that all of the FeatherWing accessories are available for use.  It would be great to integrate a small display with the MAX78000FTHR to create a portable smart camera.  A stacking...
    • 20 May 2021
  • Adafruit FunHouse Slideshow using PIR

    ralphjy
    ralphjy
    I recently started using an Adafruit FunHouse with CircuitPython Adafruit FunHouse and did a quick project for Mother's Day and my wife's birthday Adafruit FunHouse - Happy Mother's Day .  When I did the Mother's Day project I ha...
    • 18 May 2021
  • MAX78000FTHR Keyword Spotting

    ralphjy
    ralphjy
    I just received a MAX78000FTHR  which is Maxim's new low-power artificial intelligence development board.  It's a pretty feature packed board in the Adafruit Feather form factor for $30 https://www.newark.com/maxim-integrated-products/max78...
    • 16 May 2021
  • QT Py RP2040

    ralphjy
    ralphjy
    Adafruit now has an RP2040 version of their QT Py:  Adafruit QT Py RP2040 . Another nice compact design with USB-C, a Stemma QT connector plus 8MB of SPI Flash and a NeoPixel LED.  It is interesting that they kept the castellated pads,...
    • 15 May 2021
  • I've become a project...

    ralphjy
    ralphjy
    A few weeks ago after completing the 2 week waiting period after my second Pfizer Covid vaccination, I went to donate blood for the first time since the pandemic lockdowns started.  To my surprise, I failed the donor screen due to an irregular h...
    • 12 May 2021
  • Adafruit FunHouse - Happy Mother's Day

    ralphjy
    ralphjy
    As I had feared, I did not get a lot of opportunity to work on my project for Mother's Day and my wife's birthday.  I did manage to build something basic that I could show my wife. I printed a modular segment to hold a PIR sensor and a USB ...
    • 8 May 2021
  • Adafruit FunHouse

    ralphjy
    ralphjy
    My wife's birthday and Mother's day are coming up shortly and I'd like to do an electronic gift since that's what she always sees me doing .  Unfortunately, I don't have much time available to build something.  I saw tha...
    • 29 Apr 2021
  • Bad Squirrel

    ralphjy
    ralphjy
    It's officially spring and like a good Oregonian, my wife has been planting some seeds to get starts for summer vegetables.  We've finally gotten a stretch of sunny days in the 70s (F) , so she put her seed pots on the front step to get the morn...
    • 16 Apr 2021
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