Top features of Callaway Golf 300ProRangefinder: It's accurate to +/- 1 yard. It uses pulse confirmation when the laser has the right distance. There is a convenient external slope on/off ...
[Ilia] created a phase laserrangefinder (.ru, Google translatitron) using nothing but a laser diode, a pair of magnifying glasses, a few components and an STM32F4 Discovery dev board. The ...