Added old firmware and pcb design files

These are all design documents that I thought I had lost. It's may make
me cringe, but it's still cool to use it to see how far I've come.

OSU SARL/Desktop Applications/EmbryoPickAndPlace/qextserialport-1.2rc/examples/uartassistant/hled.h

@@ -0,0 +1,34 @@
+#ifndef HLED_H
+#define HLED_H
+
+#include <QWidget>
+
+class QColor;
+
+class HLed : public QWidget
+{
+    Q_OBJECT
+public:
+    HLed(QWidget *parent = 0);
+    ~HLed();
+
+    QColor color() const;
+    QSize sizeHint() const;
+    QSize minimumSizeHint() const;
+
+public slots:
+    void setColor(const QColor &color);
+    void toggle();
+    void turnOn(bool on=true);
+    void turnOff(bool off=true);
+
+protected:
+    void paintEvent(QPaintEvent *);
+    int ledWidth() const;
+
+private:
+    struct Private;
+    Private * const m_d;
+};
+
+#endif // HLED_H