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Devices/Embedde: Arduino, Ibase, Wacom, Thread Sensor Tag

Submitted by Roy Schestowitz on Tuesday 24th of August 2021 10:25:09 PM Filed under
Hardware

  • Predicting a lithium-ion battery's life cycle with tinyML | Arduino Blog

    Nothing is perhaps more frustrating than suddenly discovering your favorite battery-powered device has shut down due to a lack of charge, and because almost no one finds joy in calculating how long it will live based on current consumption levels/time used, there must be a better way. This problem is what inspired Manivannan S. to create a small project that can predict when a battery is about to go flat using the “magic” of machine learning and a voltage sensor.

    The circuit for the project is quite basic, consisting of an Arduino Nano 33 BLE Sense, a 125 ohm rheostat, a voltage sensing module, and finally the rechargeable 18650 Li-ion cell. The discharge current of the battery was set at 1 ampere with the rheostat, at which time the voltage output was sampled continuously for 30 minutes at a rate of one reading per minute. This data was imported into Edge Impulse’s Studio and used to train a regression model that can predict the estimated voltage and therefore also the capacity remaining.

  • Tiger Lake signage player can drive quad 4K or single 8K displays

    Ibase’s fanless, Linux-ready “SI-654-N” signage player runs on an 11th Gen CPU with up to 64GB DDR4, 2x GbE, 3x USB 3.1 Gen2, 3x M.2, and 4x HDMI ports with audio, EDID, and CEC.

    Ibase announced a digital signage player based on Intel’s 11th Gen Tiger Lake UP3 platform that follows its 8th Gen Whiskey Lake based SI-642-N. The SI-654-N features quad display support via 4x HDMI 2.0 ports and runs Ubuntu or Win 10 IoT Enterprise along with Ibase’s iSMART intelligent energy-saving and Observer remote monitoring software.

  • Wacom CTL 472: I Finally Bought A Drawing Tablet! - Invidious

    I've been wanting to buy a drawing tablet for a really long time and I finally bought myself a wacom ctl 472, mainly because it's a great tablet but just as importantly it works amazingly under linux. I like to play a bit of Osu, I wanted to get into digital art so it made sense to finally get one.

  • Coin cell-powered OpenThread sensor board can send data every 20 seconds for three years

    Monkey Store’s Thread Sensor Tag is a pressure, humidity, temperature, and light sensor that connects to the OpenThread network, and is capable of transmitting MQTT/UDP data every 20 seconds over a period of around three years from a single coin cell battery.

    As a reminder, OpenThread is an implementation of the Thread IoT network protocol that was unveiled in 2016 by Nest Labs (now Google/Alphabet). This has not been widely used so far, but we did write about MKR SharkyPro development board with OpenThread support via STMicro STM32WB5MMG wireless module earlier this year, and Monkey Store is telling us both Google and Apple are working on devices with support for the IoT protocol.

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