yepgood point. good ideau can | Microcontroller › 8051 › How Pressure Sensor is Interfaced with At89C51 microcontroller › yepgood point. good ideau can March 8, 2015 at 6:09 pm #12680 Ashutosh BhattParticipant yep good point. good idea u can use load cell. along with load cell use op-amp. give output of load cell to op-amp. use op-amp as comparator. set comparator output such that when pressure on load cell increases to certain limit use this output to trigger micro controller
