An example:
byte ourByte = 0b00000010;
void setup()
{
Serial.begin(115200);
// read the second from the right bit (bit 1) of the byte ourByte
Serial.print("bit 1 of ourByte = ");
Serial.println(bitRead(ourByte, 1));
}
void loop()
{
}
Output:
bit 1 of ourByte = 1