PiDrive – 314GB hard disk for the Raspberry Pi


Western Digital have launched the WD PiDrive, a hard disk specially designed for the Raspberry Pi with a storage space of 314 GB. The engineers have modified the magnetic recording system and electronics to suit the characteristics of the RPi, and reduced the current consumption.

The recommended retail price is $ 45,81 but a discount is available.

PiDrive – 314GB hard disk for the Raspberry Pi – [Link]

ESP8266 + I2S = Software-based 10-Base-T Ethernet Driver


cnlohr @ wanted to have an Ethernet interface for ESP8266 so he build one. more details on hackaday.

This is a relatively unreliable and coincidentally functional ESP8266 Ethernet driver. It only uses two pins on the ESP, the I2S pins, but does provide Ethernet. It does all its own manchester encoding/decoding, framing, FCS, etc. It mimics the ENC424J600 stack found in avrcraft and borrows the IP, ARP, UDP and TCP stacks from that project, too.

ESP8266 + I2S = Software-based 10-Base-T Ethernet Driver – [Link]

WiGPSFi – ESP8266 + GPS module

image-3 has connected the ESP8266 to an GPS and a SD-Card to scan networks – coded a MySQL-DB with some PHP parsers and dynamic maps – and get fascinated by all the 2,4 GHz radiation arround him.

In this blogpost, you can only read about finding and printing out maps with WiFi-Accesspoints and not how to crack them! I did not connected to any of this WiFis and you should also refrain. The ESP is only listening passivly!

WiGPSFi – ESP8266 + GPS module – [Link]

LoRaONE: the LoRa® IoT development board


LoRaONE is a new board to help you develop IoT applications fast and with ease. It’s an Arduino compatible board packed with features and sensors, making it the ideal solution for makers and creators that can’t wait to make the Internet of Things a reality. It is easy to program, connected to its surroundings through numerous sensors and ready to go.

This board is based on our successful Autonomo. It has a proven 32 bit Arduino compatible platform that is currently the first choice of millions of programmers around the world. Not only is it versatile, it is also extremely small, measuring only 40 x 25 millimeters. One of the characteristics of ARM Cortex M0 based boards is that they can be programmed to run extremely energy efficient, which is essential for your next IoT-project.

LoRaONE: the LoRa® IoT development board – [Link]

Troubleshooting I2C for Arduino and nRF51822

i2ctest_arduino_nrf51dk documented his efforts to transmit data over the I2C interface and analyze traffic using a USB login analyzer.

The goal of this post is to transmit data over the I2C interface. Confirmation that the data was transferred will be output of the SDA/SCL lines when my Saleae Logic Analyzer is inserted between the I2C slave (I will be using Adafruit’s ADS1015 BoB…it could be any I2C chip at this point, I just needed a destination to transmit data to).

Troubleshooting I2C for Arduino and nRF51822 – [Link]

SparkFun Electronics Eagle Libraries


Sparkfun has their own Eagle libraries available on This is a great resource for new board designs. They also have a guide on how to install the libraries and how to create custom footprints.

This is the complete SparkFun Electronics default foot prints for Eagle 6.0+. We switched to Eagle back in 2006 and have been extremely impressed with its ease of use and flexibility. As with any new software, it’s like learning a new language and takes time. Do it. Eagle is great.

SparkFun Electronics Eagle Libraries – [Link]

Mikron 1663RU1 – 16 Mibit SRAM Die-Shot


Here is a die-shot, this time it’s a 1663RU1 from Russia’s Mikron semiconductor manufacturer. At the time of its release this was Russia’s first 90nm chip (by comparison 14nm is now available).

Mikron is currently the most advanced microelectronic fab in Russia, located in Zelenograd. In 2010 they have licensed 90nm technology from STMicroelectronics, and equipment setup was somewhat ready by the end of 2012. Technology transfer was hindered by very small manufacturing volume and scarce funding. Nevertheless, 1663RU1 has became their first 90nm product reached commercial customers. It’s 16 Mibit SRAM chip.

Mikron 1663RU1 – 16 Mibit SRAM Die-Shot – [Link]

Real time clock and temperature monitor with a DS3231 and a Color TFT

In this video is building a Real Time clock and temperature monitor with a big 3.2″ Color TFT display. They are using a DS3231 Real Time clock module to get the time, the date and the temperature. The heart of the project is the powerful Arduino Due board, which can drive the display and update it without any visible flickering at all! Impressive. Let’s start!

A few weeks ago, I tested this 3.2” color TFT display for Arduino with both Arduino Mega and Due. The display works fine and I built a simple project with it. It is a temperature monitor and a real time clock. As you can see at the top, we can see the current date and time, we can see the temperature right now, and at the bottom the Arduino records the minimum and the maximum temperature that it has measured. I also tried to design a basic user interface just with simple shapes. As you can see everything works fine, and it is a very easy and useful project to build. Let’s see how to do it!

Real time clock and temperature monitor with a DS3231 and a Color TFT – [Link]

Flexible haptic actuators designed for wearable devices


Graham Prophet on talks about a new cooperation between Kemet and Novasentis aim to develop the next generation of haptic actuators that acts as a second skin for devices.

Kemet and Novasentis, developer of haptic and sensory feedback technology for wearable devices, have announced a collaboration to develop next generation Electro-Mechanical Polymer (EMP) film based haptic actuators for wearable devices. Novasentis will provide the core technology and haptic actuator film whereas Kemet will develop the manufacturing process for the final assembly.

Flexible haptic actuators designed for wearable devices – [Link]