센서 > Easy robot: light follower by dunnos

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BASIC4MCU | 센서 | 기타센서 | Easy robot: light follower by dunnos

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작성자 키트 작성일2017-09-04 16:03 조회2,381회 댓글0건

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Easy robot: light follower


Picture of Easy robot
No programming or microchips!


Robots, the most awesome thing there is, especially when allot of people can build it!
I got this robot from a friend as a present. thank you Rudolf.

Anyway, this robot uses 2 Light dependent resistors to sense light and drive toward it.

Warning,
Soldering iron->hot->hurts

That said, lets start

the reason this is green: the battery's i used are rechargable, one battery can load 1000 times so i save 1998 battery's in this instructables

PS: you have to have SOME electric knowledge for this.

Step 1: Electrical materials

Picture of Electrical materials
diagram

R1-4 4 100 ohm resistor

R5-6 2 220 ohm resistor

SW1 1 Switch

RV12 2 10k variable resistors

T12 2 Transistors BC557C

T34 2 Transistors BC547C

LD12 2 LED s

LDR12 2 Light Dependent Resistors

1 IN4007 Diode (note: can be replaced by a paperclip, it supports the wheel XD)


*Note: I got this as a present from a friend. Some of the parts can be different, I don t know.

Step 2: Rest materials

Picture of Rest materials
HPIM0852
HPIM0850
HPIM0857
HPIM0854
HPIM0856
Box to put everything in and a piece of cardboard so you pieces don t go flying / PCB**
Some wires if you don t have a PCB.
Some electric components 
Battery holder
Some motors, I got some open chassis motors 
Solder 
Soldering iron
File / sanding paper
A small screw
Something to make the motors have more grip (heatshrink?)

** : I don t have a digital version of the pcb , as I told you I got it from a friend. If someone has the tools to make a digital version please do.

Step 3: The building of.

Picture of The building of

steps:
1. resistors
2. transistors
3. switch
4. LEDs, these are supposed to bend a bit (looking like bug eyes) i bent them about 90 degrees.
5. light dependent resistors, these are supposed to point forward. (solder them on and then bend them until they lyon the pcb.
6. variable resistors point them forward and next to eachother, that looks fun
7. AAA holder
8. motors, file them down so you can solder/glue them to your pcb/box. put these under an angle so the axis of the motor acts as a wheel
9. put some heatshrink on the motor. this wil get some extra grip and makes it go faster.

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