char * dumpBits8( uint8_t inB ) {
  // formatted output of uint8_t (byte)  as bit pattern
  static char f8[ 9 ] = {0} ;
  for ( uint8_t i = 0 ; i < 8 ; i++ ) {
    f8[ 7 - i ] = bitRead( inB, i ) == true ? '1' : '0' ;
  }
  return &f8[0] ;
}


void setup() {
  Serial.begin(115200);
  
  uint8_t myByte = 0x24 ;
  Serial.println( dumpBits8( myByte) ) ;
  Serial.println( dumpBits8( 0x2F) ) ;

}

void loop() {
 
}