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Moon Landing Game
A five-page construction article from Practical Electronics (November 1978) describing a small analog computer game that simulates a lunar module descent. The circuit uses operational amplifiers to model the physics of the lander — computing velocity, altitude, and fuel consumption in real time — while the player controls the rocket motor to achieve a soft landing. The article covers the schematic, component list, PCB layout, panel wiring, and calibration procedure.
analog computergameop-ampeducational project