#define in1 7
#define in2 8
#define enable 9
#definr bottom 10
#define poten A0 
bool bottom_status = 0 ; 

void setup() {
  pinMode(in1, OUTPUT);
  pinMode(in2, OUTPUT);
  pinMode(enable , OUTPUT);
  pinMode(buttom , INPUT_PULLUP);
}

void loop() {
  if(buttom )

}