This simple circuit can be used to emulate the operation of a music box. The number of notes may be limited to 10 at the most, and therefore is capable […]
Search Results for: timer
Make this Simple Set Reset Circuit using IC 555
In this post we learn a simple IC 555 set/reset application circuit for activating or deactivating a relay alternately. Circuit Operation This electronic set reset circuit is very simple, easy […]
Cyclist’s Safety Light Circuit – Nighttime Visibility for Cyclists, Walkers, Joggers
A simple flashing bicycle safety light circuit has been discussed in the following article In many occasions when we happen to go down the road at night, it is normal […]
Make this Simple Refrigerator Door Open Alarm Circuit
This presented refrigerator door open alarm circuit which alerts you after a period of time whenever your refrigerator door is left open. This circuit becomes very handy, because in case […]
Oil Burner Button Start Ignition Circuit
The post discusses a simple automatic ignition for an oil burner system system which is initiated with a push button operation. The idea was requested by Mr. Andreas. Technical Specifications […]
Incubator Reverse Forward Motor Controller Circuit
In this post we learn a reverse forward timer circuit for operating an incubator motor mechanism with a preferred set of movements. The idea was requested by Mr. Anwar Technical […]