Today I will share an Experiment Kit . Changing connections in breadboard is really disgusting and this problem can be solved by using this experiment kit.
This Experiment kit contains :
1. USB Connector
2. Serial Connector
3. 4 Push Button
4. LCD Display[16x2]
5. Female Connector for Bluetooth Device
One more thing , each pin of microcontroller is connected with female connector so that each pin can be used individually .We can provide power supply +5v to breadboard from this kit .
Required Parts List :
1. IC Base 28 pin
2.IC Base 16 pin
3. capacitor 22pf ceramic qty=2 .
4. capacitor 220 nf qty=2
5.capacitor 1uf 50v qty=5
6. Crystal 12MHz qty=1
7. LM 35 [Temperature Sensor]
8. DC Socket qty=1
9.Resistor 10k ohm qty=4
10. Resistor 470 0hm qty=6
11.Variable Resistor 5kohm qty=1
12. LCD Display[16x2] qty=1
13. Seven Sigment Dispay qty=1
14.Push Button qty=4
15. USB Connector B-type qty=1
16. DB9F Connector qty=1
17. IC--> Max232 qty=1
18. IC--> Pic 18f2550[or another PIC Microcontroller ,if you want]
19.Female Connector qty =3
20.L -Shaped Male Connector qty=1 & LED qty=6 [Color depends on you] .
Those parts are required and if you are in Bangladesh contact to TechShopBD.
TechShopBD's Website ->> http://www.techshopbd.com/
Look at here :
Instructions are given on that picture। Position of 1uf capacitor & where to connect 470 ohm resistor etc. Be careful about that 1uf capacitor should be at least 20 volt and polar. During soldering you should be careful about [ +/- ] position .
The pcb design has been provided in the Download Link given below .
Next time in future i will show how to make PCB at home Inshaallah. Now I am describing about how to use it.
PORT A:
Pin A0-> for LM35 [it is static and final, you cannot change it]
Pin A1->for another adc input[]
From A2 to A5 for 4 push button , those will work with logical 0 .
[These pins are always remaining with +5v ]
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PORT B : B7 to B2 for LCD Display ।
LCD Configuration:
sbit LCD_RS at LATB7_bit;
sbit LCD_EN at LATB6_bit;
sbit LCD_D4 at LATB5_bit;
sbit LCD_D5 at LATB4_bit;
sbit LCD_D6 at LATB3_bit;
sbit LCD_D7 at LATB2_bit;
//////////////////////////////////////////////
Pin B1 and Pin B0 are connected with two LED .Where each led's +end is connected with microcontroller.[If microcontroller provide '1' , Led will be ON and during 0 ,it will remain OFF]
You have to write code according to this configuration .
 |
| Experiment Kit |
One more thing, here an option given for 7 Segment Display. But it has no connection with the microcontroller. Female Connectors have been given so that you can connect it manually.
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