Posted inControls & Timers 555 Timer
5-20 minuts timer circuit using IC 555
This is timer circuit uses a 555 IC timer. it small,compact,portable. For the snooze alarm by buzzer when some 5 to 30 minutes. It make easy with pcb layout
Posted inControls & Timers 555 Timer
8 simple touch switch circuit projects
Many how to make simple touch switch circuit project. To build easy. Using transistor and IC like 555 timer, 4011 CMOS, flip-flop IC.
Posted inControls & Timers
Speaker protection circuit
It will prevent the speaker from too over high power output may speaker damaged it use transistor and relay cut off as safe.
Posted inControls & Timers
Simple long duration timer circuit
The Simple long duration timer circuit using OP-AMP, If build the RC timer only that long time delay we need too many resistors and capacitors may be error [...]
Posted inMotor Controller Controls & Timers
How to rotate dc motor in both direction
It is easy if you control DC motor in a single direction. Sometimes you think. How to rotate DC motor in both directions. You are not worried. There are many…