Node-18:
Led-17:
Node-15:
Resistor-14:
Rail-13:
lm555-12:
Ground (0 V)-11:
Capacitor-10:
Node-9:
Resistor-8:
Resistor-7:
Potentiometer-6:
Node-5:
Node-4:
Node-3:
Node-2:
Connector-21:
Connector-23:
Connector-25:
Connector-26:
Connector-27:
Connector-29:
Connector-30:
Connector-32:
Connector-35:
Connector-36:
Connector-37:
Connector-39:
Connector-43:
Connector-44:
Connector-45:
Connector-46:
Connector-47:
Connector-48:
Connector-52:
Connector-49:
Connector-33:
PlotterWidget-53:
SerialPortWidget-54: