Emergency Light and Block Diagram

What is emergency Light ?

Emergency lighting system means, when absent of electricity and usual lighting is failed then emergency light automatically on. It can limited time backup by internal Buttery. when the electricity available then emergency light automatically off and automatically recharge Buttery. Here have emergency lighting picture.

Emergency Light

  Handmade Emergency Light Block Diagram :

This emergency Light made for removing darkness in your bedroom, drowning room, kitchen and corridor etc. It can move one to another and it's easy to carry.

Required equipments :

Resistor   - 110k

Diode      - 5 pic

Capacitor - 1uF/400V Poly

LED        - White

Buttery    - 4 Volt

USB Dongle 2.0 (Bluetooth)

This Bluetooth Drive can, non Bluetooth computer convert into a Bluetooth enabled. It can contact with wireless Bluetooth connection such as PC, Networking, Dial-up, Fax, Mobile Phones etc. It also connection to Bluetooth headset and transferring voice data and It also multi languages supporting.

 

 Specification :

Key Features	Description
Bluetooth Specification	V2.0 & v1.2 compliant
Supporting Profiles	Networking, Dial-up, Fax, LAN access, and Headset
Operation System	Windows98, 98se, Me, 2000, XP, Vista, Windows7
Interface	USB compliance
Symbol rate	3Mbps
Receiving/sending range	0-100m
Price	110TK BDT Only

(USB) Pen Drive Device

USB Pendrive

The full meaning of USB is Universal Serial Bus. It is a flash memory device. It can transfer audio, video and data files from a computer. Pen Drive is easy to use for new generation. It can move the data from the hard disk device to another drive in a several minutes. Pen Drive is also easy to carry, enough to fit in to pocket and it also smaller then a Floppy disk. USB pen drive using as a boot-able device. Laptop/computer can be setup by Pen Drive. Available Pen Drive in the market is 2GB, 4GB, 8GB, 16GB, 32GB & 64GB. Different types of Pen Drive are available in the market but all kinds of Pen Drive are not boot-able. So check Pen Drive for boot before you buy.