Circuit Project Electronic

3-State Tone Source By IC Dual Timer 556
This 3-State Tone Source circuit use build 3 danger beeps lmodel. By use pillar equipment is IC NE556 Dual Timer as usual. Then build good easy. Work instruction just totter S1 for choose tone sound follow can want. Equipment all value you try to change see as a result will get different sound go to. For a loudspeaker uses 8ohm sizes and volt supply 9V. Detail sizes are all see in the circuit adds sir.

This entry was posted on Wednesday, July 18th, 2007 at 4:04 pm and is filed under Audio - Alarm, Timer. You can follow any responses to this entry through the RSS 2.0 feed.