1 rich Libsyn https://www.libsyn.com 90 600 Welcome to the Electromaker Show, episode 34! This week saw a Raspberry Pi Pico-based intruder alarm, Arduino and ESP32 Amazon Alexa development board, and more! Check out these top maker, tech, DIY, IoT, embedded, and crowdfunding news stories from the week! We publish a new show every week. Subscribe here!&amp;nbsp; Watch the show! Read the article! Don't have time to watch the show? Listen to the Electromaker show in podcast format! Stray Cat Shelter uses Arduino to deliver food Low-power IoT Intruder Detector With Rpi4 + Pico Using the Raspberry Pi Pico's PIO to create PWM synthesizers&amp;nbsp; 128 Opto-isolated Input hat for Raspberry Pi WVR - Tiny open-source multi-track music player MDB-JS Board - Control older vending machines in JavaScript with a Raspberry Pi Raspberry Pi is now selling IQaudio products ESP32 based board designed for easy Alexa integration The Electromaker Show https://www.electromaker.io/ <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/18074264/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/96746768