Several years ago when I started messing around with Arduino and building my own weather station, I bought a few XBee radio chips with the idea of setting up some more remote sites without having to run wires out to the sensor stations. I spend several frustrating hours trying to get the radios to talk […]
Standard Arduino boards use FTDI’s FT232RL to interface with computer’s USB port. Since FT232R is just a USB to UART converter, it is possible to build an Arduino compatible USB interface using other USB to UART chips. One such alternative is Silicon Labs‘ CP2102. I particularly like this USB to UART transceiver because very few
The Linux Shell is a command-line interface for controlling the Linux system. Commands entered here can, for instance, install software, manipulate the file system, or access debug messages. If using Windows, we recommend installing Putty, a program that enables to SSH and establish serial communication. SSH is a widely used protocol for accessing Linux shell
Tutorial on getting started with Intel Galileo Gen2 Continue Reading
If you’re like me, every morning before you leave for work you wonder whether you should wear a jacket before heading outside. You might not have time to check outside your front door, but you always have time to check your iPhone! :] The problem is, standard weather apps tell you about the temperature in
ARM has introduced its highest performance Cortex-M series processor core. The Cortex-M7 retains the same instruction set of the other processors in the Cortex M series, but has been given a six-stage super scalar pipeline architecture which dramatically increases its performance over the previous Cortex-M4. Ian Johnson, product manager at ARM told Electronics Weekly, the
Stepper motors are great for accurate positioning because they move in discrete steps – a feature that makes them very appropriate for CNC software control. But every once in a while you have an application where you need to press a button and rotate some kind of a jig at a preset angle or move
Manually controlling bipolar stepper motor with Arduino and EasyDriver Continue Reading
Hi all! With a bit of delay, here’s my last work, a PICnano breadboard based on the PIC18F2550microcontroller. I have in mind a new project and I want to use an small board, like the Arduino Nano board. This new project is battery powered (3,7V Li-Ion battery). After checking the schematics of the Arduino Nano, I see
Cree has introduced a multi-die 500 lm (80CRI, 3,000K) surface-mount lighting LED, aiming to compete against multiple single-die medium-power LEDs in automated luminaire manufacture. The idea is analogous to the way bolt-down multi-die chip-on-board modules (CoBs) are taking-on single-die LED boards in manual assembly lighting manufacture. Named MH-B, the new LED “combines the reliability and
Surface-mount array takes on medium-power lighting LEDs Continue Reading
SAN DIEGO – December 09, 2013 – Qualcomm Incorporated (NASDAQ: QCOM) today announced that its wholly-owned subsidiary, Qualcomm Technologies, Inc., has introduced the Qualcomm® Snapdragon™ 410 chipset with integrated 4G LTE World Mode. The delivery of faster connections is important to the growth and adoption of smartphones in emerging regions, and Qualcomm Snapdragon chipsets are
Exar has announced a new family of USB to serial bridge devices for industrial applications. The XR21B142x family interfaces with RS-232 or RS-485 serial networks. The XR21B1420, XRB21B1422, and XRB21B1424 provide 1, 2, and 4 UART channels respectively. The XRB21B1421 provides a single channel UART and uses the native operating system HID (Human Interface Device)
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