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Light Control Robot - and now finally finished with Movie 1

Posted on 01/06/2009 by aruniosmo
Modified on: 13/09/2018
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Hallo everyone, I present you my edition fire fighting and light follower robot. This is my third robot with Picaxe 28x1 and my costliest robot.I used: - One motor for my blower (14000U-1). He needs more than 3 A. - Two gear motors RB-35; 50:1; 12V, - One accumulator 12V; 1,2Ah, - Four LDR  - One SRF05 (currently not used) - Two 28-pin Project Boards and (one of them destroyed)    - Two microcontrollers Picaxe 28 (one of them destroyed)   I used for gear motors one l298 H-bridges. For ...


Light Control Robot - and now finally finished with Movie 1

Hallo everyone,

I present you my edition fire fighting and light follower robot. This is my third robot with Picaxe 28x1 and my costliest robot.I used:

- One motor for my blower (14000U-1). He needs more than 3 A.

- Two gear motors RB-35; 50:1; 12V,

- One accumulator 12V; 1,2Ah,

- Four LDR

 - One SRF05 (currently not used)


- Two 28-pin Project Boards and (one of them destroyed)

 

 - Two microcontrollers Picaxe 28 (one of them destroyed)  

I used for gear motors one l298 H-bridges.

For the control of my blower took I ULN2803A, but the Collector Current only 500mA was, were Picaxe, ULN2803A and project board destroyed (Therefore costliest). ULN2803A is ok, but why Picaxe and project board???

Now I used for the blower one PNP Transistor BD250C (Collector Current 10A).

 

Movement:
  1. Fire fighting - see a film 1 and film 3  
  2. Light follower - see a film 2 and film 3  

Fire fighting and light follower

  • Actuators / output devices: two geared motors 1:50 RB-35
  • Control method: Flashlight and candles
  • CPU: Picaxe 28x1
  • Power source: 2Ah, 12V 1
  • Programming language: Basic
  • Sensors / input devices: 4xLDR and SRF05 Ultra Sound
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