private void label7_Click(object sender, EventArgs e)
{
circuit circuitPage = new circuit();
circuitPage.setSerial(serialPort1);
circuitPage.Show();
}
private void pictureBox6_Click_1(object sender, EventArgs e)
{
circuit circuitPage = new circuit();
circuitPage.setSerial(serialPort1);
circuitPage.Show();
}