Hi guys are you having a passion towards electronics, you can give life to your ideas. However you need money to get all the microcontrollers, sensors and other stuffs. Here are some sites which will give you samples.
- Microchip.com is the best place to get your PIC microcontrollers.
- Cypress.com is the place where you can get some useful sensors but you cannot find out DIP packages.
- Allegro Microsystems is the place where you can get Hall Effect sensors and switches.
- Maxim offers you analog comparators and other similar stuffs.
- National Semiconductors also gives you samples.