Cole Hersee Company, Boston, introduced momentary push-button switches for truck applications. Two switches now have added lip-seals, making them waterproof and preventing ingress of moisture and ...

BOSTON, Mass. — Cole Hersee Company introduces its new momentary push-button switches for truck applications. Two popular Cole Hersee switches now have added lip-seals, making them waterproof and ...

This circuit allows an SPST momentary pushbutton to act as a push-on push-off switch, using a DPDT latching (bi-stable) relay. It was originally intended to allow a single pushbutton switch on the ...

[Patman2700] has a nice scope for his paintball gun that uses a red dot instead of cross-hairs. The problem is that he kept forgetting to turn it off which ended up running the batteries down ...