Educational Block Audio Preamp KIT We redesigned our ELECTRONIC TIMER Kit. It is now a DUAL timer kit based on the LM555 Timer Chip, a highly stable device for generating accurate time delays or oscillation. when a switch is turned on or off, mechanical bounce noise generates spurious pulses. When operated in "mono-stable" mode, the EBTD-9 prevents these noise pulses from adversely affecting your project. Use this circuit to set clocks or counters - any time you need a push-button switch! Or, run the kit in "a-stable" mode and learn how clock/timer oscillator circuits work. Use this circuit to "clock" other projects. Power requirement 5vDC, size 2.25" x 2.75"
The NEW Designation for this Kit is EBTD-9
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EBTD-9 Kit $12.95 Quantity:

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Rainbowkits - 121 E. North St. - New Ross IN 47968 - (765) 230-2301