Amazon Web Service Beijing woefully inadequate for international use

Amazon Web Service (AWS) is a bunch of server, storage, and other internet resources. AWS datacenters are located around the world so companies can locate websites close to their customers and speed up page load times. A couple years ago AWS started testing a center in Beijing, China. There’s all sorts of benchmarks on speed […]

Pushing VLAN tags through unmanaged switches

Kenneth Finnegan writes: This year, I was designated as the computer network zonie, so it’s my job to make sure that there’s IP connectivity between all the major sites in the network. This involves building a computer network that includes a couple Internet hand-off points, multiple routers, several medium-range (2-5km) microwave links, QoS enforcement for […]

Internet-based temperature logger with mbed and ThingSpeak

Frank setup a internet-based temperature logger using the ThingSpeak contest data-logging service: This project uses a mbed microcontroller (LPC1768 ARM Cortex-M3) to monitor temperature using a DS1620 (digital temperature sensor IC), retrieve the time via NTP (network time protocol), and then log the current temperature to ThingSpeak along with a time-stamp. See a live graph […]