Blind Level Tech
Wait! The History and Tech Behind Audible Pedestrian Signals
24:48
After a short staycation break, Evan is back on Blind Level Tech to explore the surprisingly fascinating world of audible pedestrian signals. These are the beeping, chirping, talking, and sometimes very enthusiastic crosswalk buttons that help blind and low vision travelers navigate street crossings. This episode covers the early history of APS devices, including bells and buzzers from the 1920s…