Using Atmega

TelescopeDSLR

Wifi-controlled Telescope+DSLR With Motorized Focuser Using Atmega

Motivation: I love astronomy and astrophotography very much. I am sure that like me, all amateur astronomers would want a inexpensive personal observatory for taking pictures of the fabulous universe. Astrophotography, especially deep-sky photography, requires high precision in tracking (to counter the earth’s rotation) and focusing. A decent equatorial mount plus autoguider can take care …

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Ultrasonic Pursuit Automobile

Ultrasonic Pursuit Automobile Using Atmega

We’ve implemented an autonomous pursuit vehicle capable of chasing a designated target using ultrasonic transmissions. The system is demonstrated by chasing a second, human-controlled, RC car. The pursuit unit is equipped with a 24kHz transmitter and two 40kHz receivers, while the target unit has a 24kHz receiver and a 40kHz transmitter. The target unit responds …

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