It's made from logic gates(NOT, NOR, OR and AND). You can reset by clock + k, Set is clock + J, Toggle off and on is clock + J + K.
Red LED - Q
Blue LED - /Q
UPPER LEFT "1/0" - J(SET)
LOWER LEFT "1/0" - K(RESET)
LEFT BUTTON - CLOCK
LOWER BUTTON - CLEAR
UPPER BUTTON - PRESET
