Two Melody Digital IC Kit
SKU
FK247
In stock
$5.95
Overview
This kit utilizes digital memory and has two melodies.
The digital sound file is programmed into the COB (chip on board) at the factory.
The COB is referred to as a ROM.
Technical specifications:
- power supply: 3VDC.
- consumption: 70mA max. at 3VDC.
- dimensions: 1.12 x 1.76 inches.
How it works:
The pin 5 of IC is connected to the base of TR1 which forms a simple one transistor amplifier which drives a speaker.
The pin3 of IC1 is a trigger.
The circuit requires 3VDC
Drives a 2 inch 8 ohms speaker.(included)
Slide switch is used for melody selection from the IC.
LED power indication.
Please complete your information below to login.
Sign In
Create New Account