Tuesday, December 28, 2010

Resistor Chart

Resistor color code

Color - 1st band - 2nd band - 3rd band - Multiplier - Tolerance
Black - 0 - 0 - 0 - 1
Brown - 1 - 1 - 1 - 10 - +-1% - F
Red - 2 - 2 - 2 - 100 - +-2% - G
Orange - 3 - 3 - 3 - 1K
Yellow - 4 - 4 - 4 - 10K
Green - 5 - 5 - 5 - 100K - +-0.5% - D
Blue - 6 - 6 - - 1M - +-0.25% - C
Violet - 7 - 7 - 7 - 10M - +-0.1% - B
Grey - 8 - 8 - 8 - - +-0.05% - A
White - 9 - 9 - 9
Gold - - 0.1 - +-5% - J
Silver - - 0.01 - +-10% - K
Plain - - +-20% - M

Tuesday, December 14, 2010

2 keypads phone

A phone with two keypads. Wholesale electronics supplier Chinavasion is letting go with its latest creation, an unlocked cell phone that doesn't only have a dual SIM card and dual standby it's got two keypads and two screens and both are back-to-back. The other side of the phone is all business with a complete keypad, SIM selection keys and a world clock.

Nice keypads photos

ATM keypad 2/4
ATM keypad 2/4


E61 Keypad
E61 Keypad


Cisco 7936 IP Conference Station
Cisco 7936 IP Conference Station


ATM keypad 3/4
another ATM keypad 3/4

soon custom keypads images