Raspberry Pi Pico Intruder Alarm, Arduino and ESP32 Alexa Development Board and more!

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!  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  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