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Empirbus Alternitive
Tom and Jan of nbWaiouru have a really awesome thing on their boat called Empirbus, it is like a home automation system, but on a boat! Empirbus NXT is a new product line, based on more than 10 years...
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Maker Faire Newcastle
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RS485 on a Raspberry Pi
R-Pi RS485 GPIO Shield The Link Sprite RS485 GPIO Sheild for a Raspberry Pi alows you to make use of (abuse) the RS232 port in the R-Pi’s GPIO as an RS 485 Port. There are several good advantages to RS...
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RS485 on Arduino
Arduinon RS485 GPIO Shield Following on from the RS485 on an Raspbery Pi post, I also picked up a LinkSprite RS485 Arduino board from RoboSavvy (Arduino RS485 schematics). I plan on trying to get the...
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Building a Diavolino
On Saturday I picked up an Evil Mad Scientists Arduino clone, The Diavolino, from MadLab‘s little shop “Invent-ory” to use with my RS485 stuff. the Diavolino requires assembly yourself (official...
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RS485 R-Pi to Arduino
I found the following code extracts for the Arduino (I have a Diavolino) to work with the RS485 shield from here: Code for the transmitter: void setup() { Serial.begin(115200); } void loop()...
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Eagle and PCB design with Matt Venn
At Wuthering Bytes in Hebden Bridge, in the afternoon Tas and I attended Matt Venn‘s Eagle cad workshop, if we had been there all day we would have made a Shrimp board. But since I have been using...
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Ethernet, RS485 and power down a single cat 5 cable
For my boat automation system I plan to use RJ45 sockets and cat 5 cable for interconnecting the master and the nodes. Some nodes will have their own 12 V supply for larger loads, but ones that are...
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Doctor Who’s K9
K.9 and company titles For a very long time, I have been planning on making a RC K-9 from the BBCs Doctor Who, recently I aquired a copy of “K9 and Company: A Girl’s Best Friend” K-9 and Company was a...
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Motor Control
L298N Stepper Motor Driver Controller Board I picked up two L298N Stepper Motor Driver Controller Boards from Hobby Components for my K-9, to go with the two 24 V / 4.5 A Parvalux motors I acquired....
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Dave Everett’s K-9 Body
K9 Replica Robots Dave Everett of the K9 Builders Club has created a set of files that allow you to cut the K-9 body from Styrene board, Izzy has built one of his, and her blog also has a number of...
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Playing with the Teensy
Teensy 2++ a lot of micro controller for not much dosh! As some of you know I may be a bit of a geek, one of the tools I use is the Teensy, it is very smiler in use and specification to an Arduino...
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Building a Geiger Counter
A while ago I bought a DIY Arduino Geiger Counter kit from ebay and a SBT-11A Russian Geiger counter tube. The SB-11A is a very sensitive alpha tube, comparable to the LND 7317 in some ways. It also...
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How electrically noisy are Servo motors?
Test Set-up Showing TowerPro 9g Servo, Teensy 2++, and external battery pack At work my day job is as an EMC test Engineer, on of the Tests we do as part of EMC compliance testing is a Radiated...
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How electrically noisy are Servo motors Pt 2?
Servos and Teensy Following on from How electrically noisy are Servo motors – Pt1 where I subjected a Tower Pro MG996R and a Tower Pro Microserver 9g to the ERAD (Emissions Radiated) test. I am now...
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Tripod and Photography Threaded Rods / Bolts
Tripod Head Bolt Sooner or later you will find something that you want to attach to something else, and if any of those some-things is a camera or a tripod, you will soon meet the challenge of WTF? its...
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Getting Node and Motion Jpeg onto a R-Pi
K-9 As part of my R-Pi K-9 I want to have a web browser interface, (also because I want to build an ROV) I don’t have a beaglebone black. Using a web browser as my interface will allow me to use my...
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More than you ever wanted to know about K-9…
K-9 Merchandise showing a number of colours K9 — occasionally written as K-9 or K•9 — was the designation given to a series of intelligent, dog-like robots who served as companions of Professor Marius,...
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