New GSM shield from Arduino supports GPRS, voice and SMS
The new Arduino GSM Shield (version 2) makes it possible to connect an Arduino (compatible) board with the
internet, make or receive voice calls and send or receive SMS text messages. The shield uses AT commando's
and the GSM library offers many possibilities to communicate with the shield. The shield has the Quectel M10,
a quad-band GSM/GPRS modem which supports TCP/UDP via GPRS. A GPRS speed is possible up to 85.6 kbps. The
Arduino GSM Shield 2 is available in two versions. One with integrated antenna and one with a connector for
an external antenna.
Programmable HMI display has the new FTDI FT900 32-bit RISC processor
The cost-effective mikromedia HMI smart displays from MikroElektronika for industrial applications have the powerful
FT900Q 32-bit microcontroller. The displays are available in 3.5, 4.3, 5.0 and 7.0 inch, with or without touch screen.
The HMI screens have a mounting frame or a bezel in black or white. For programming the FT900 you can use a C, Basic or
Pascal compiler. The user interface can easily be designed with the Visual TFT design tool.
This liquid level sensor doesn't have any moving parts
This liquid level sensor from the English company SST Sensing offers liquid level detection via a
TTL compatible output. The sensor doesn't have moving parts which can be jammed. An infrared LED
and a phototransistor in the tip of the sensor are optically coupled when the sensor is in air. As
soon as the tip touches liquid the infrared light will be spread, which changes the amount of light
on the phototransistor and provides a change in the output.
The Allwinner A20 SOC has CAN, but almost nobody uses it due to very limited documentation.
Some people have investigated the CAN interface further and added a good CAN driver to Linux
for the A20. Olimex has developed a CAN module which can easily be connected to an A20-OlinuXino
board with a flatcable. The CAN module is compatible with A20-OlinuXino-LIME, A20-OlinuXino-LIME2,
A20-OlinuXino-MICRO and A20-SOM-EVB. In the wiki of Olimex is described how you can make a Linux
image with CAN support. The module has the microchip MCP2551 CAN transceiver and a screw terminal
for the CAN-bus.