Each output in turn drives one of the 16 momentary solenoids. Like the continuous solenoids, the 74LS154 enable uses negative logic. Programming this action seems simple. Start with the enable high.

In a previous project, Arduino Ping Pong Pinball, I used solenoids and u-brackets to construct a pinball type game. However, in this earlier version, a solenoid had to be manually triggered to ...