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Solar Bug Robot

Solar Bug 1 Tutorial


Solar Bug Robot



Getting started Glue the 1381 Voltage Detectors together as shown. Glue the 3906 Transistors together as shown. Glue the 3904 Transistors together as shown. Glue the 1381 Voltage Detector bundle to the 3906 transistor bundle as shown. Glue the 3904 transistor set to the 1381 and 3906 bundle. Allow enough time to pass such that the glue has time to set. Bend Pin 3 of the left 1381 Voltage Detector as shown. Bend Pin E of the left 3904 Transistor out away from the transistor bundle, and then up forming an L shape. Bend Pin E of the right Transistor out flat with horizontal. Bend Pin 3 of the right 138 Voltage Detector out away from the transistor bundle, and then up forming an L shape. Bend Pin 3 of the right 1381 Voltage Detector such that it lies flat across the left 1381. Bend Pin E of the left 3904 Transistor such that it lies flat across the right 3904. Bend Pin E of the right 3904 Transistor as shown so it touches Pin 3 of the right 1381. Bend Pin 3 of the left 1381 Voltage Detector as shown so it touches Pin E of the left 3904 Transistor. Solder the connections noted. Trim excess wire from the newly formed ground loop. Bend Pin 1 of the left 1381 Voltage Detector as shown. Bend Pin C of the left 3906 Transistor as shown. Bend Pin B of the left 3904 Transistor as shown. Bend Pin B of the left 3904 Transistor as shown. Trim excess wire prior to soldering. Bend Pin 1 of the left 1381 Voltage Detector as shown. Trim excess wire prior to soldering. Solder the connections noted. Trim excess wire from the newly formed ground loop. Bend Pin 1 of the right 1381 Voltage Detector as shown. Bend Pin C of the right 3906 Transistor as shown. Bend Pin B of the right 3904 Transistor as shown. Bend Pin B of the right 3904 Transistor as shown. Trim excess wire prior to soldering. Bend Pin 1 of the right 1381 Voltage Detector as shown. Trim excess wire prior to soldering. Solder the connections noted. Trim excess wire from the newly formed ground loop. 100K Potentiometer Bend the lead wire from the 100K Potentiometer as shown. Bend the lead wire from the 100K Potentiometer as shown. Bend the lead wire from the 100K Potentiometer as shown. Bend Pin E of the right 3906 Transistor forward till it touches the middle pin of the 100K pot. Bend Pin E of the left 3906 Transistor backwards making sure it makes contact with Pin E of the right 3906 Transistor. Solder the connection. Solder the connection. Trim excess wire as shown. Silicon PIN Photodiode.  Please note polarity. Solder one Photodiode to the 100K Potentiometer.  Make sure that you solder the negative terminal of the Photodiode to the pot. Trim excess wire from the 100K Potentiometer lead. Solder the other Photodiode to the 100K Potentiometer.  Make sure that you solder the negative terminal of the Photodiode to the pot. Trim excess wire from the 100K Potentiometer lead. Bend Pin 2 of the right 1381 Voltage Detector out and over the other wires such that it just touches the positive terminal of the newly connected Photodiode. Solder the connection. Trim excess wire as shown. Bend Pin 2 of the left 1381 Voltage Detector out and over the other wires such that it just touches the positive terminal of the newly connected Photodiode. Solder the connection. Trim excess wire as shown. Another view of the newly attached Photodiodes. Trim excess wire as shown. Trim excess wire as shown. Bend the 0.22uF Capacitor as shown. Solder one wire of the 0.22uF Capacitor to the positive terminal of the right Photodiode. Trim excess wire as shown. Trim the other wire from the 0.22uF Capacitor leaving just enough length to solder the clipped end to the ground loop. Solder the connection as shown. Bend the 0.22uF Capacitor as shown. Solder one wire of the 0.22uF Capacitor to the positive terminal of the left Photodiode. Trim excess wire as shown. Trim the other wire from the 0.22uF Capacitor leaving just enough length to solder the clipped end to the ground loop. Solder the connection as shown. Another view of Step 6-10. Bend Pin B of the right 3906 Transistor out and over the other wires as shown. Bend Pin C of the right 3904 Transistor out as shown. Solder the 2.2K Resistor between Pin B of the right 3906 Transistor and Pin C of the right 3904 Transistor. Trim excess wire from the 2.2K Resistor as shown. Another view of Step 7-5. Bend Pin B of the left 3906 Transistor out and over the other wires as shown. Bend Pin C of the left 3904 Transistor out as shown. Solder the 2.2K Resistor between Pin B of the left 3906 Transistor and Pin C of the left 3904 Transistor. Trim excess wire from the 2.2K Resistor as shown. Use a heat shrink gun or blow dryer to shrink wrap the heat shrink tubing provided to the motors shafts.  I find that about 3 layers works very well. Remove the side tabs from both fuse clips as shown.  Allow the soldering iron to heat the fuse clips quite a bit before soldering.  Be sure to solder the clips together as shown, so that the motors will easily snap into place. I find that using an electronic parts stand with alligator clips is very useful for this next step. Solder the two fuse clips togethger then add the 4700uF Capacitor.  Solder the negative terminal to the fuse clip as shown. Another view of step 8-4.  Also, see step 8-6 for an underside view. Snap the Namiki motors into the fuse clips as shown. Another view of step 8-6. Glue the transistor bundle brain to the 4700uF capacitor as shown. Strip the red wire of the right motor and the blue wire of the left motors of their insulation. Solder the red wire of the right motor to the positive terminal of the 4700uF Capacitor. Solder the blue wire of the left motor to the positive terminal of the 4700uF Capacitor. Remove the insulation of the blue wire on the right motor as shown. Remove the insulation of the red wire on the left motor as shown. Solder the connection. Trim excess wire. Solder the connection. Trim excess wire. Bend the positive terminal of the 4700uF Capacitor up so that it just touches the Pin E of the 3906 Transistor. Solder the connection. Trim excess wire from the positive terminal of the 4700uF Capacitor. Solder one end of the extra wire provided to the ground loop. Stip the insulation from the extra wire as shown. Solder the other end of the extra wire to the negative terminal of the 4700uF Capacitor. Trim only the excess wire fo the small green wire. View of the underside. Glue the push pin support to the front of the 4700uF Capacitor. Remove about an inch of insulation coating the solar cell wires. Solder the connection as shown. Solder the red positive lead from the solar cell to the positive wire of the 4700uF Capacitor. Trim only the excess wire fo the positive lead of the solar cell. Trim excess wire from the negative terminl of the 4700uF Capacitor. Only after you check all connections and make sure that the solar bug does charge and move correctly glue the solar cell in place.


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