Space War Alarm Combo

Project Number: 10

Parts Needed For Circuit: B1, L1, SP, U2, U3, 5, 1, 1, 2, 2, 2, 2, S2, 3, RP, 1, 4, 2, 3, 2, S1, Both Jumper Wires

OBJECTIVE: To combine the sounds from the space war and alarm integrated circuits.

Description: Build the circuit shown and add the jumpers to complete it. Turn it on, press the press switch (S2) several times, and wave your hand over the photoresistor (RP) to hear all the sound combinations. If the sound is too loud you may replace the speaker (SP) with the whistle chip (WC).