I am working on a project, which is to make a PID based line follower but the constraints are:
- 5 IR sensors are allowed
- Only 9V battery
- No microcontroller, only discrete components
I though of input block, which takes input from IR sensor and converts it to analog signal, which is then fed into a PID controller.
For DAC I am using a R-2R ladder DAC.
Can anyone please suggest an alternative to using relays as used here.
My control signal will have 5V.