class NumberListener implements ActionListener{ public void actionPerformed(ActionEvent e){ if (!append) { tf.setText(\"\") append=true } String s=tf.getText() s+=e.getActionCommand() tf.setText(s) if (!btn[10].isE

ATTINY15 单片机D类功放电路及源码 Last change: TF 8 Sep 99 8:18 pm *************************************************************************** * A P P L I C A T I O N N O T E F O R T H E A V R F A M I L Y * * Number : AVR000 * File Name : T15def