Results tagged #Um66 in Circuits
Touch Sensitive Musical Bell With Timer PCB
This circuit diagram is a UM66 based touch sensitive musical bell. The circuit is built around CMOS IC CD4011 and popular melody generator I...
melody generator for
This tiny circuit comprising of a single 3 terminal IC UM66 can be built small enough to be placed inside a greeting card and operated off a...
alarm door bell circuit using ic um 66 part 1
This is a slight modification of that circuit. In the previous circuit you have to keep the switch pressed for making the IC play the full m...
Melody Generator Circuit using UM66
This circuit is a circuit diagram generator melody. This circuit controlled by the IC UM66. The UM66 CMOS IC designed for use in the call be...