Sony Electronics Products - CD-R Recordable Disc, 48X, 700MB/80 Minute, 50/Spindle - Sold as 1 PK - CD-R (CD-Recordable) offers a 700MB/80 minute capacity, a 48X write speed and branded surface. Ideal for demo music mastering, prototyping CD-ROMs and limited edition CD production runs. Delivers the mechanical precision needed to meet today's high-speed recording requirements. Compatible for playback on CD-ROM, audio CD players and photo CDs.

Netduino is an open source electronics platform using the .NET Micro Framework. Featuring a 32-bit microcontroller and a rich development environment. Suitable for engineers and hobbyists alike. Input. Output. Interface with switches, sensors, LEDs, serial devices, and more. Netduino offers 20 GPIOs combined with SPI, I2C, 2 UARTs (1 RTS/CTS), 4 PWM channels and 6 ADC channels. Code. Debug. Repeat. .NET Micro Framework combines the ease of high-level coding and the raw features of microcontrollers.

Enjoy event-based programming, multi-threading, line-by-line debugging, breakpoints and more. Very expandable. 3rd-party accessories offer pre-built functionality like GPS location, servo control and battery power. Netduino is also pin-compatible with Arduino shields. 3rd-party drivers are required for some Arduino shields. Design files included. Netduino is an open source electronics platform. All design files and source code are included. Learn from the designs. Remix. Enjoy the freedom of open source.

Price: $ 125

Click here to buy from Amazon