I initially built the Robot with some more Hardware stuff.
Later I decided to drop this stuff to simplfy the robots life.
  • Cog wheels from Conrad, cog wheels set for 4mm axle with 10, 20 or 30 teeth part no 237663. And cog wheel for engine mounting part no 240311.
I mounted wheels on stepper directly, this reduces mecanical complexity
  • Solar charger from conrad type 18122 part no 200013 - protects battery from deep discharge. Means if battery is low entire robot will not work.
  • Plumb accu Panasonic LC-R122R2PG, 2.2Ah - heavy but usable with solar charging module.
  • Solar panel from conrad 12V 5W, part no 110390 - 62
  • Voltage regulator to protect netduino from overvoltage, used L4940V85 with Ci 0.1uF and Co 22uF. Thanks to its very low input/output voltage drop, these devices are particularly suitable for batteries powered equipment.
Power pack accu is more powerful by less weigth, lower voltage reduces necesity for additional electronics

Last edited Jun 17, 2013 at 8:55 PM by salvadorrichter, version 2


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