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Author's posts
Nov 16 2015
PCDuino Lite – An Arduino with more Power and Flexibility!
For certain Arduino like projects, you might need more CPU power or the flexibility of running Linux ‘on board’. Besides the Arduino Galileo you might consider another device outside the Arduino family, something like the PCDuino from LinkSprite. I recently experimented with a PCDuino Lite which has 512 MB DRAM, a 1GHz ARM Cortex A8 …
Oct 20 2015
Automated AP-List Scanner for the ESP8266
I recently posted about using the nRF24L01 module to scan for channels in the 2.4GHz range. That will let you know what channels are in use, however, since the nRF24L01 does not have the embedded network stack, we can’t determine other things like what the ESP8266 module can. (Have you checked out the Espressif.com ESP8266 …
Oct 19 2015
Using an nRF24L01 Module to Scan the 2.4GHz Frequency Range
There is a lot of electrical ‘noise’ all around us that we can’t see or sense as humans. However, in this day and time we have a great number of electronic devices which can sense what we can’t. Actually, it is these vary same electronic devices in most cases which are the cause of all …
Sep 21 2015
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Sep 01 2015
Arduino Galileo
I have been experimenting lately with the Arduino Galileo from Intel. It is not a new Arduino board as it was introduced back in October of 2013. This Arduino has an Intel Quark single-core 32 nm X1000 SoC with a clock rate of up to 400 MHz. It has several interfaces, including PCIe, UART, I2C, Fast Ethernet, …
Aug 31 2015
A Python script to run the Arduino MiniPirate Sketch
A while back I wrote about the BusPirate. You can view that post here. In it, I mention an Arduino sketch called the “MiniPirate” which allows you to try some of the functions of the BusPirate on an Arduino. Over time, I have found that sketch to be very useful. You can use it to …
Jul 13 2015
Arduino Leonardo WEB Server to Display Temperature and Humidity
In a previous post titled Arduino Leonardo and SPI Communications, I documented how to connect the Arduino Leonardo to the ENC28J60 Ethernet module. This post takes things a bit further and adds a DHT22 Sensor. The Arduino Leonardo is used as a WEB Server to Display Temperature and Humidity information from the DHT22 sensor. The …
Jul 06 2015
Arduino Leonardo and SPI Communications
I just found out that my favorite Arduino of choice (the Leonardo) has a problem with SPI “Serial Peripheral Interface” communications (if you need to use the SS pin). For SPI (which is bidirectional) , the following pins are normally used: SS – Slave Select – digital 10. You can use other digital pins, but …
Jan 29 2015
Nuqleo Zinq 7 Rooted for more flexible useage
I recently acquired a Nuqleo Zinc 7 Android Tablet. It looks like this: I couldn’t resist 🙄 as it was such a good price. It comes with an OTG cable and works great to attach and host your Arduino(s). Also, a tablet such as this one makes apps easier to use (i.e. to see) as …
Dec 29 2014
Controlling an Arduino from an Android Phone or Tablet
Question: What do you get when you connect your Android Phone or Tablet with a USB-OTG cable and connect that into another USB cable connected to an Arduino? Answer: A easy way to program and/or control your Arduino. This is a handy way to control (and/or re-program) your Arduinos in the field where it …
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