So I have addressed now all these issues. The preconditions are:
2. Shoot-move-shoot capabilities
3. Simplicity - the driver and power source in one package
4. Easy access to power source - just AA batteries for all (driver and motor)
5. Low power consumption - usage of DC motor
And here it is!
and finished mechanics:
As you can see the driver is based on popular Adruino Uno R3 which gives me great flexibility in programming of the slider behaviour.
I want to share all the details of the device so the story will continue. Subscribe to follow!