41 search results - page 9 / 9 » Wireless Technologies Bridging the Digital Divide in Educati... |
63
Voted
HUC
2003
Springer
15 years 2 months ago
2003
Springer
A novel microprocessor interface circuit is described which can alternately emit and detect light using only an LED, two digital I/O pins and a single current limiting resistor. T...