1.LED FLASHER 2 DOT
This flasher circuit is a fundamental circuit suitable for those who are interested in studying electronics as well as its performances. It is a low-cost product composed of few components: two alternate LED flashers of which flash frequencies are adjustable.
TECHNICAL DATA
- Power supply : 9-12VDC.
- Electric current consumption : 16-22mA (max.)
- Flash frequency is adjustable with a horseshoe.
- IC board dimension : 1.39 in x 1.22 in
2.6 ALARM SOUND SIREN
The six digitized alarm sounds of the FK278 are held permanently in a masked Read Only Memory (ROM) in a decoder IC. A transistor output amplifier drives the supplied 8 ohm 0.25W speaker for a demanding sound suitable for toys and novelty applications.
TECHNICAL DATA
- Power supply : 3VDC.
- Electric current consumption : 105mA. (max.)
- IC board dimension : 1.13 in x 1.00 in.
