Conditioning temperature sensor output by Chia Jem Chong. 2. DC motor control by Loo Kah Ter. 3. Digital combination lock by Lo Yuk Yin. 4. Digital volume control by Liew Shann Ying. 5. Electronic Parrot by Yap Kian Onn. - CHIA JEM CHONG (INTI College Malaysia, 1998)