DIY Ultrasonic Audio Laser (Directional Speaker)
Mean Gene Hacks
Apr 28, 2020 05:51
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Build your own ultrasonic audio laser, otherwise known as an ultrasonic parametric speaker that lets you beam sound to distant places like a laser beam. Total cost is under $20!
Parts List:
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(17) TCT-16T 40Khz Ultrasonic Transducers TCT40-16T - https://www.aliexpress.com/item/32258563531.html
(1) STM32F103C8T6https://www.aliexpress.com/item/32862385518.html
(1) LM358 (DIP-8) - https://www.aliexpress.com/item/32972282817.html
(1) TC4427A - https://www.aliexpress.com/item/32967076106.html
(1) PJ-307 Line-in Audio Jack - https://www.aliexpress.com/item/1000006982803.html
(1) MT3608 DC Step-Up Module (optional) - -https://www.aliexpress.com/item/4000155588081.html
Code and schematics:
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https://github.com/gururise/directional_speaker
#parametricspeaker #ultrasound #audiolaser
Science & Technology
#ultrasonic audio laser
#audio spotlight
#parametric speaker
#arduino
#stm32
#microcontroller
#ultrasound audio