Now you can pay with your American Express or JCB credit card at Seeed Studio. Seeed already supports MasterCard and Visa. Seeed still recommends PayPal, expecially for your large orders. With Paypal there is no spending limit and the service fees to customer and retailer are the lowest.
The nRF24LE1 is a single chip radio that can be used with a microcontroller for low power wireless stuff. It has lots of extras like an ultra low power analog comparator for voltage level system wake-up. Nordic Semiconductor provides an RF protocol stack and applications for microcontrollers. Via MDFLY.
Cellular mobile devices and Google Maps can be used to provide fast and accurate localization without GPS. Using a database of cell coordinates, the location of an object can be precisely determined. The cell names, coordinates, and the maximum distance allowed between the cell and the phone before it switches towers must be known first […]