Make Yoda Speak (or anything else) Using a Raspberry Pi and an iPhone App #PythonHardware #Python #CircuitPython #RaspberryPi @gallaugher
From Professor John Gallaugher comes a new project. Have you ever wanted to make an object speak phrases on demand? This sort of high-tech ventriloquism can be huge fun when greeting people in an office, scaring visitors at Halloween, or, as Master Yoda shows in this example, providing surprise and delight on Star Wars Day.
Raspberry Pi with WiFi Capability the Raspberry Pi 3A+ is a good choice – inexpensive, but has both USB and round audio jacks, so it would work with lots of speaker options (the cheaper Pi Zero W doesn’t have these jacks, although you can easily add RCA audio with an HDMI adapter).
A 5v/2A DC Power Supply. If you have an extra iPhone USB Power Adapter, you can buy a 2.1mm to USB cable and use this. Your computer’s USB port won’t provide enough power by itself.
A microSD card (8GB or more) for the Raspberry Pi.
A microSD card reader if your Mac doesn’t have one (and late model Macs with USB-C don’t).
A small speaker that plugs into the round RCA jack or USB port of the Raspberry Pi 3. Inexpensive hamburger speakers that use the RCA jack can be purchased for less than $5. A good USB option would be this mini speaker.
Some object that you want to “speak”. Yoda works for me, but I’ve used the same technique to give “voice” to a Raspberry Pi robot, among other examples.
Raspberry Pi fan? Let us know in the comments below.
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