Tuesday, April 29, 2008
The Grace ITC-IR1000B has a tabletop Internet radio and digital audio streamer; stylish design; built-in 801.11g Wi-Fi; delivers hiccup-free wireless connectivity; solid sound quality; station and podcast favorites can be organized via Web browser.However,there is no auxiliary input or Ethernet jack; only five built-in station presets; streaming music off a PC isn't reliable; no remote control; alarm functionality is very basic.
It also has a network audio player / clock radio; Amplifier total output power: 4.5 Watt; Network player: WMA, Network audio player - AAC, WAV, AIFF, MP3.
Tuesday, March 4, 2008
Circular cam
A circular cam is also known as an 'eccentric' cam. The centre of rotation of the cam is offset from the centre of the circle.
Pear shaped cam
A pear shaped cam has a long dwell period during which time the follower does not move. This is ideal for the 'Sailing Ship' model where various parts move in sequence as the crank is turned.
Triangular Cam
Followers working with triangular cams do not have a dwell period like other cams. This means they move continuously as the cam turns. Triangular cams are found in mechanisms that use clapping movements, e.g. Perky Porky.
T-rex
Crocodile
Caterpillar
Cat
Tuesday, February 19, 2008
The Jabra BT8040 is a small Bluetooth headset that is packed with features such as MultiPoint technology (the ability to connect to two different devices simultaneously), A2DP for streaming music wirelessly, plus an intelligent noise reduction and volume equalization technology that offers great sound quality.It can run up to 6h and 200h standby time but the Jabra BT8040 may take awhile to fit properly in the ear.
Monday, February 11, 2008
The Jabra BT8030 is a combined Bluetooth speaker and headphones with great sound quality, especially in headphones mode.here are two quick-release buttons located near the headband, which when pressed, will spread the earpieces of the BT8030 out left and right to form portable speakers. Doing this also triggers the headset to start blasting the sound louder.
Monday, January 21, 2008
The Pharos Drive GPS 250 is a navigation system that is placed in a car.It has a special Text-to-speech voice-guided directions with a touch screen feature, with a battery life of 7h. It also comes with Stylus, USB cable, Carrying pouch, AC power adapter, Car power adapter, Automotive windshield mount.
Wednesday, January 9, 2008
The powerstick allows a person to charge their portable devices for about 1h. Just need to Plug the Powerstick into a USB port to charge, and with the appropriate connector, plug the Powerstick into the device’s charger port. Press the START button and the divice charging. It also indicates how much "gas" it is holding.
