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Step 6Install the bump switch
Now lets give the Mousebot his whisker. Make it by soldering the positive lead of the capacitor and the 10k resistor to the end pin that is normally open. You can check which side is the open side of the push switch by using the continuity check feature of your multimeter. There should be no connection between the middle and normally open pin until the switch is pressed. Once this is done add stranded wire to the ground lead of the capacitor and the middle pin of the switch.
Connect the resistor on the switch to the base (middle pin) of the transistor and the wire from the ground side of the capacitor to the - voltage rail. Then connect the middle pin to the + voltage rail. To make your joints a bit more secure you can use heat shrink tubing to insulate the connections and bend the capacitor to the side to free up a little bit more space.
Connect the resistor on the switch to the base (middle pin) of the transistor and the wire from the ground side of the capacitor to the - voltage rail. Then connect the middle pin to the + voltage rail. To make your joints a bit more secure you can use heat shrink tubing to insulate the connections and bend the capacitor to the side to free up a little bit more space.
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first i used a 32volt Electrolytic Capacitor ,but my battery was alwaysw dead.
with a 16 volt Electrolytic Capacitor th mousebot's battery has got a longer live.
both work....i hope i could help you jwoo2023