Robot tracking circuit

Published:2011/6/21 5:59:00 Author:Lucas | Keyword: Robot, tracking circuit | From:SeekIC

In the ircuit, TPS616 (1), TPS616 (2) and TPS616 (3) are respectively the left, middle and right light receiving sensor, which are the filter phototransistors with visible light cut-off filter. If the sensitivity of TPS616 is not enough, it can use TPS6ll. The 9OOnm peak wavelength of TPS6l1 is the same with TPS616. TLN225 is the infrared light-emitting diode with the peak wavelength in 870nm. It can also use TLNlO5 with the the peak wavelength in 950nm. Motor drive uses 2SC3004 Darlington transistor, which can also be replaced by the same type Darlington power transistor.



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