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11 Nov 2014


by sparkyswidgets.com:

MinieC eC interface is a very cost effective solution for adding eC sensing capability to any project. This unit takes the analog complexity out of measuring the conductivity of a solution.

MinieC I2C eC interface - [Link]

23 Oct 2014

by JustinN1 @ instructables.com:

 I built a custom OBD II gauge in the clock of my Subaru BRZ (GT86, FRS) and a lot of people wanted me to build them one. Here is how you can build one of your own. My wife is about to give birth to our second son and all the code is open source, so I have nothing to lose by posting this.

Custom OBD II Gauge in With OEM Look - [Link]

6 Oct 2014


The Santa Fe (MAXREFDES5#) reference design is a 16-bit high-accuracy industrial analog front end (AFE) that accepts -10V to +10V, 0 to 10V, and 4–20mA current loop signals with isolated power and data integrated into a small form factor. The Santa Fe design integrates low-noise/high-impedance analog buffers (MAX9632); a highly accurate ADC with on-chip attenuation (MAX1301); an ultra-high precision 4.096V voltage reference (MAX6126); 600VRMS data isolation (MAX14850); and isolated/regulated +12V, -12V, and 5V power rails (MAX256/MAX1659). This AFE solution can be used in any application that needs high-accuracy ADC, and targets industrial sensor, automation, process control, PLC, and medical applications.


6 Oct 2014


by dangerousprototypes.com:

Ray Wang has been experimenting with the ESP8266 Serial-to-WiFi module, which has gained much hype recently. “The module is very compact, easy to interface with, and inexpensive. I wrote an Arduino program to show how to use the Arduino to communicate with the WiFi module and set up a very simple web server.” Check out the blog post at RaysHobby.

First impression on the ESP8266 serial-to-WiFi module - [Link]

30 Sep 2014

The MAX5825PMB1 peripheral module provides the necessary hardware to interface the MAX5825 8-channel DAC to any system that utilizes Pmod™-compatible expansion ports configurable for I²C communication. The IC features eight independent 12-bit accurate internally buffered voltage-output DAC channels. The IC also features an internal reference that is selectable between 2.048V, 2.500V, and 4.096V (4.096V reference operation is not supported with a standard 3.3V Pmod-port power supply).

MAX5825PMB1 Peripheral Module Board - [Link]

27 Sep 2014


by MAKE:

General Electric is releasing an interface board that will let you program and control their smart appliances, and they’re giving away a batch of ovens and refrigerators to makerspaces to help launch the project.

The program comes through the FirstBuild program, a new endeavor by GE and Local Motors to interface with independent designers to find, make, and license new product ideas much more rapidly than normal for the manufacturing giant. The interface board, called the Green Bean, is their first product, released to help makers generate new appliance-based projects.

GE Launches an Interface Board to Let You Hack Their Appliances - [Link]

17 Sep 2014


by Bray @ coreforge.com:

I’ve had a CNC mill for a few years now, and while many homemade CNC mills use EasyDriver or Pololu, mine came with a sturdy, generic TB6560 controller board. For those unfamiliar, boards like this are interfaced using an old fashioned LPT parallel port, which was initially an annoyance, but quickly became impractical and a hassle, having to use an old PC with VNC installed. The board has plenty of power to push the steppers around, far more than any of the smaller / cheaper solutions had to offer I think, so I wanted to try and teach this board a few new tricks, and let me interface with it using a more modern interface.

GRBL CNC USB to TB6560 Interface using Arduino - [Link]

11 Jul 2014


by Avago Technologies:

Analog isolation is still widely used in motor drives, power monitoring, etc whereby applications typically use inexpensive analog voltage control for speed, intensity or other adjustments.

The HCNR201/200 analog optocoupler is commonly added to isolate the analog signal in the front end module of an application circuitry. The optocoupler will be placed between the analog input and the A/D converter to provide isolation of the analog input from the mixed signal ADC and other digital circuitries. The HCNR201/200 is an excellent solution for many of the analog isolation problems.

Fast analog isolation with linear optocouplers - [Link]

19 Jun 2014


blog.atx.name writes:

Some time ago, I stumbled upon an article about 25¢ I²C adapter. I usually use my Raspberry Pi to interface with I²C devices, but having it right on my notebook seemed like quite useful thing, so I decided to build a project around it. Altough the mentioned article says that I²C is not supported on Intel cards on Linux (all of this was tested on Dell Latitude E5530 which does have Intel HD4000), I decided to try anyway. A lot has probably changed since 2008 when it was written.

TWILight – VGA I²C breakout board - [Link]

5 Jun 2014


by elektor.com

Smartphone peripheral developers are limited to RF links via Bluetooth, NFC or WiFi when they need to pass data back and forth to the device. This can add significantly to costs and stand-alone peripherals also need batteries or an adapter for power. The Quick-Jack from NXP solves both problems; it turns the standard 3.5 mm stereo audio headphone socket found on most iOS or Android smart devices into a self powered data port and provides an interface for external switches, sensors or any other external equipment.

The Smartphone Quick-Jack Solution comprises a small board, a free example app for popular smartphone OSs, and design documentation.

Smartphone port? Try the Ear Hole - [Link]






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