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!

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• 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