ICStation 16 Music BOX DIY Kit Sound Module

1.Features
16-tone box under your control, arbitrarily issued 16 kinds of interesting analog sound, both an electronic toy can also be used as a doorbell or alarm.

2.A suite of profiles:
Kit Model: BOX-16
Operating voltage :4.5-5V
PCB size: 48mm (length) * 42mm (wide)
Control modes: manual coding + external coding

ICStation 16 Music BOX DIY Kit Sound Module3.Circuit principle
The main part of the whole circuit is the 9561 4 tones integrated circuit, it uses four binary code to finish the encoding control of the 9561 working condition, then produce 16 different analog sound. The whole circuit is consist of the Sound produce circuit, the basic control circuit, the addition control circuit and the binary encoding circuit.
1.The sound produce circuit is consist of the U2 9261, the transistor Q1 and the Passive buzzer LS1
2.The basic control circuit uses two binary numeral to control the four working condition of the U3, then make it produce four basic sound.
3.Additional control circuit, also uses two binary numeral to control the four working conditions then makes the resistance R1, R2, R3, R4 produce four different combinations to change the value of the external vibration resistance. The change of the Oscillation parameters does not only change the Oscillation frequency but also produce a lot of new sounds.
4.Binary encoding circuit: is consist of the switches S1-S4, the resistance R6-R9. The S1, S2, S3, S4 correspond to the A, B, C, D of the binary numeral. Turn the switch down stands for 0, turn up stands for 1. The programmed A, B, C, D binary numeral control the 9561 to make the module produce sound.

ICStation 16 Music BOX DIY Kit Sound Module Schematic4.16 kinds of sound and its code

Code sound effects coding sound effects
A B C D A B C D
0 0 0 0 machine guns 1 0 0 0 chirping
0 0 0 1 Fire engine sound 1 0 0 1 whistle
0 0 1 0 The ambulance voice 1 0 1 0 Telegram sound
0 0 1 1 patrol wagon 1 0 1 1 Birds singing sound
0 1 0 0 cricket 1 1 0 0 Machine gun voice
0 1 0 1 alarm song 1 1 0 1 Hooter voice
0 1 1 0 Electronic signal 1 1 1 0 Bass sound
0 1 1 1 bird call 1 1 1 1 The car after the sound

For more detail: ICStation 16 Music BOX DIY Kit Sound Module

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