Micromouse - The Electronics
Submitted by hazzer123 on March 2, 2008 - 3:01pm.
The Part List
Here is a list of all the parts i needed to build the robot (excluding basic tools).
| Part Description |
Quantity |
How much I paid |
Where I got it |
Extra Info |
| Nema 17 size stepper motor |
2 |
£14 each |
Rapid Components |
|
| Sharp IR GP2D120 |
2 |
£12 each |
Active Robots |
Make sure you get the cable with the JST connector. Some companies ship the sensors without. |
| Microchip PIC18F4525 microcontroller |
1 |
Free Sample |
Microchip Samples |
You'll need an obscure email address to register. I used one from tranceaddict.net. This is a great source of chips, but don't abuse it. Only get what you need.
|
| Connectors Sockets |
4x3-way
1x5-way
crimp terminals
|
~£2 |
CPC Farnell |
You can buy crimping tools to make the cable making process easier. I managed with just pliers but it was sometimes quite unreliable. Check out the connector tutorial. |
| Connector Pins |
1x5-way
4x3-way
2x6-way
|
~£2 |
CPC Farnell |
| ULN2803 chip |
1 |
£1 |
CPC Farnell |
Array of 8 transistors for driving the motors.
|
7-segment LED Display
|
1
|
£1
|
CPC Farnell
|
A tutorial for these is here. |
7805 5V Voltage Regulator
|
1
|
50p
|
CPC Farnell
|
Resistors
|
1 x 10K
2 x 100R
|
Nearly nothing
|
I had them allready.
|
If you don't already have resistors and capacitors, you can find them at any hobby electronics store. |
| Capacitor |
1 x 1mF10V
1 x 470uF16V
2 x 22pF
|
Nearly nothing
|
I allready had them.
|
10MHz Crystal
|
|
£1
|
CPC Farnell
|
Stripboard (Veroboard)
|
117x368mm
|
£5
|
CPC Farnell
|
5mm thick acrylic
|
about 25x35 cm
|
Not sure
|
School
|
If you can't find acrylic, there are many other types of material you can use. HDPE, plexiglass, maybe even MDF. |
Making the main microcontroller board
UNFINISHED******************************
|
