https://news.ti.com/industrys-first-ultrasonic-lens-cleaning-chipset-enables-self-cleaning-cameras-and-sensors https://news.ti.com/industrys-first-ultrasonic-le

https://news.ti.com/industrys-first-ultrasonic-lens-cleaning-chipset-enables-self-cleaning-cameras-and-sensors https://news.ti.com/industrys-first-ultrasonic-lens-cleaning... https://e2e.ti.com/blogs_/b/analogwire/posts/ultrasonic-lens-cleaning-a-solid-state-technology-you-didn-t-know-you-needed https://e2e.ti.com/blogs_/b/analogwire/posts/ultrasonic-lens... You could emulate the properties of blinking using piezoelectric transducers.