Embedded system project based on AT89S51 microcontroller

Job ID: 34093623

Budget: $10 – $30 USD

I have two task for that read the following.
I need only c code and proteus simulation for designing a tachometer that can measure the speed of dc motor in rpm and display it 16x2 LCD. And To design multimeter that can measure voltage and current.
Only serious, expert and interested freelancer can place bid.