Expand Your Raspberry Pi or Other Controller with These Add-On Boards
These are brand new products. At this time I only have 3 prototype boards for sale. These boards have been tested and work great. Very few changes are planned for production boards. If you have questions or want to be added to a waiting list please contact me through Tindie or at firstname.lastname@example.org . All information and code can be found on my website page www.adaptint.com/AdaptiveNewProductsPage.php . Orders placed on my website page for the DAAC-100 will be directed to this Tindie page. Orders for new boards may take 3 weeks or more to process as raw boards and parts will have to be ordered and the boards assembled and tested.
The DAAC-100 is an Add-On board that provides 12-Bit analog measurement and control, plus a number of extra functions, to the Raspberry Pi. It attaches to the Raspberry Pi with a simple, 6-wire connector and requires no external power. All communication is over the SPI bus so it can be used with any SPI based controller, although the available control programs are for the RPi.
The DAAC-100 has the Following Features:
The DAAC-100 can be operated right out of the box with a downloadable "Dashboard" Raspberry Pi GUI program or a multi-function command line program. A complete User Manual is available as a PDF download along with a list of command functions and command examples.
In January of 2016 I was visiting a friend who had just purchased a Raspberry Pi 2 computer. He thought very highly of the Raspberry Pi and I was impressed as well with all the features of this $35 computer. He said he wanted to use his RPi as a home controller, using it to measure temperatures and electricity use around the house and then using it to control his AC unit and electrical circuits. He then asked my thoughts on the Raspberry Pi.
I started looking at the specs of the Raspberry Pi, especially the functions available on the 40-pin GPIO connector, and found that the RPi, by itself, had no analog inputs. While many smart sensors (ie. I2C) could connect to the RPi, there was no way to use basic, analog temperature, voltage and current sensors. Seeing many accessory boards that were available for the RPi, but none that offered high-resolution analog inputs and outputs, gave me the idea for the DAAC-100.
The DAAC-100 is based on a 64-pin version of the STM32F334 Microcontroller/SOC. The STM32F334 is an ARM based controller with LOTS of peripherals. With the DAAC-100, I tried to make as many of these peripherals available to the user as possible, especially its 12-bit ADCs and DACs, PWM outputs and high resolution timer (used for a clock/frequency source with 1 Hz resolution at lower frequencies).
Of course, a cool project board is of little use if you have to write tons of code before using it. I have written C based programs for the Raspberry Pi, all available for free download, that allow you to use the DAAC-100 as soon as it is connected. Along with RPi executables and their source code, a complete Users Manual, that describes the SPI communication scheme of the board, is available as a PDF download. Feel free to use the source code as basis for writing your own custom programs for the DAAC-100. Soon, I'll be creating projects for the DAAC-100 and writing more custom code myself, all of which will be published on-line and available for download.
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I got my first Radio Shack 50-In-1 Project Kit when I was 6 years old and have been involved with electronics ever since. I fixed TV's and computer terminals in my teens and worked as a technician for 15 years before earning my BSEE degree in 1995. After multiple jobs at HP and Agilent, I started my own home business, Adaptive Interfaces, in 2008 designing and building aircraft instruments for the experimental and home-built market. I have also designed and built custom, micro-controller based projects such as a control panel for a transmission servicing machine and a robotic fixture to help a quadriplegic person operate a knitting machine.
Last winter, a friend introduced me to the Raspberry Pi and I am now focused on designing and building accessory boards for the RPi and other small controllers. My first new product is the DAAC-100 Data Acquisition and Control board. As a person living in Colorado, I also enjoy skiing, biking and hiking. My other passion is travelling to as many places in the world as possible. For more information about me and Adaptive Interfaces, please visit my website www.adaptint.com .