location of a wall switch or the addition of another switch very easy the microchip according to the present invention can be located in the power fitting of the light the microchip having the low current mmi input and a power switch to block or transfer the energy to the load light fan air conditioner it reacts to the inputs received to activate or disable or control other functions of whatever device it is controlling the microchip may be adapted to contain the high current voltage switch or control an external switching device or relay the microchip may also as in the other embodiments discussed have some intelligence to control functions like dimming delayed shut off timed activation deactivation timed cycles flashing sequences and gradual on off switching the microchip may also be adopted as in a specific flashlight embodiment discussed to provide a location emergency signal for lighting flashing an led the power input 101 in fig1 may be dc e g 12v as is commonly used for some lights or a c 110v or 240v the device shown as 1403 may be monolithic or be a multichip unit having a relay solid state or mechanical a regulator e g 110ac volt to 12v dc and a microchip as discussed in this.