Similar project with single photo diode enclosed in sort of a pinhole camera: https://hackaday.com/2016/05/18/using-missile-tech-to-see-like-predator/ https://h

Similar project with single photo diode enclosed in sort of a pinhole camera: https://hackaday.com/2016/05/18/using-missile-tech-to-see-like-predator/ https://hackaday.com/2016/05/18/using-missile-tech-to-see-li...