Additionally, the preferred signal detection and logic includes an operational amplifier connected to {HEAD ~ the output} of the light sensor and an analog to digital converter connected to {TAIL ~ the output} of the operational amplifier 
connected to
Additionally , the preferred signal detection and logic includes an operational amplifier connected to { HEAD ~ the output } of the light sensor and an analog to digital converter connected to { TAIL ~ the output } of the operational amplifier
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH