Jameco Eklectornics provides products like batteries, computer products, education and hobby kits, electric design, fans and cooling, robotics, security products, etc.
I suggest your local electronics parts jobber, or one of the mail order or internet electronics parts stores (e.g. Mouser, DigiKey, Jameco Electronics).
Various stores sell CR2025 batteries. Wal-Mart, Radio Shack, Amazon, eBay, Fry's, and Jameco Electronics are all stores that one could visit to purchase this particular type of battery.
Biosman.com is a online resource which sells EEPROM chips in bulk. They also have an EEPROM programming service which costs $0.50 a piece. Jameco Electronics sell 3.3V EEPROM chips. Electronix and VirtualVillage also sell these programmable computer chips.
Mouser Electronics has many services that it provides. Some of their services include selling various electronics, providing quotes, and managing projects.
A: Relays are nothing but an inductance load to electronics circuit but they do provide isolation to the outside world
Check out this guys projects, might provide an idea or two. http://www.knizefamily.net/russ/category/electronics/auto-electronics/
The Hannspree global service company launched in June 2003. They also provide several services such as downloads for electronics, warranty for electronics, and repair services for electronics.
J&R Electronics sales all kinds of electronics, such as camcorders, cameras, stereos, portable music players, and computers. They provide a return or exchange system in case of broken electronics and a price matching policy.
I do not know the answer to that but an online search may provide you with the information.
Here is a great site for basics about electronics! http://www.technologystudent.com/elec1/dig3.htm
There are many courses available online for electronics and communications that are willing to provide an introduction and supplying basics to get started.
Avnet Electronics is known for being a large distributor of various electronic components. These provide their broad services to over 100,000 customers.