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I2C


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  • Bus Pirate
    More functionality than I expected
    Review by David
    I bought the Bus Pirate for I2C development work but found it has some other very useful functions: it works as a digital frequency generator (1 kHz-4MHz) and logic analyzer (using SUMP software).
    (Posted on 9/3/14)
  • DFRobot WiiChuck Adapter for Arduino
    Simple Idea
    Review by Darryl
    Easy enough to use. More data sheet information would be great.
    (Posted on 4/23/14)
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Robot Reverse Engineering: Designing an Autonomous Transatlantic Boat

Posted on March 06, 2014

By Jeffrey Arcand & filled under Entertainment, Robotics Projects & Kits.

Some of you may have hear about Scout — The Autonomous Transatlantic Robot. She is a 12-foot long robotic solar-powered boat designed and built by 7 college/university students from the USA. She was launched in August 2013 from Rhode Island and programmed to autonomously cross the Atlantic Ocean to her destination in Spain. Although she [...]
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An Indepth Look of FlowBotics Studio V2

Posted on May 30, 2013

By Jeffrey Arcand & filled under Software and Apps, Tutorials.

What is FlowBotics Studio? FlowBotics Studio is a new robotics software development platform: it boasts the powerful FlowStone graphical programming language, and includes many demo robotics projects to get you started.  It can be used to control just about any robotics platform, data acquisition board, motor controller, servo board, sound card, or webcam. FlowBotics Studio [...]
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Arduino 5 Minute Tutorials: Lesson 7 – Accelerometers, Gyros, IMUs

Posted on May 02, 2012

By Coleman Benson & filled under Arduino Tutorials, Schools & Curriculum, Software and Apps.

Lessons Menu: Lesson 1 – Software Downloading / Installing & Interface Lesson 2 – Basic Code Lesson 3 – Sensors: Potentiometers Lesson 4 – Sensor: Infrared Distance Lesson 5 – Actuator: Servo Motor Lesson 6 – Sensor: Force, Bend, Stretch Lesson 7 – Sensor: Accelerometer, Gyro, IMU Lesson 8 – Actuator: DC Motor Lesson 9 [...]
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Basics: What is a Motor Controller?

Posted on February 20, 2012

By Coleman Benson & filled under Where to Start.

A Motor Controller is a device that acts as intermediary between your robot’s microcontroller, batteries and motors. A motor controller is necessary because a microcontroller can usually only provide roughly 0.1 Amps of current whereas most actuators (DC motors, DC gear motors, servo motors etc.) require several Amps. The current a motor consumes is related to [...]
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ROBOTIS BIOLOID

Posted on December 22, 2011

By Coleman Benson & filled under Robotics Projects & Kits.

About Robotis BIOLOID Robotis Bioloid is an educational robot kit for building various robots such as an autonomous exploration robot, quadruped puppy robot, hexapod spider robot, dinosaur robot, bipedal humanoid robot and more. Boiloid is made up of three basic components: the CM-5 central controller, the AX-S1 sensor modulefor feedback and the special modular robot [...]
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7
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... inputs ⋅ use all four AUX inputs ⋅ Two free serial ports (use for SBUS and/or Bluetooth or 3DR radio links) ⋅ Three I2C ports, of which two are 3.3V and one is 5V ⋅ 0.96” OLED port on-board ⋅ Spektrum R/C receiver port ⋅ Servo port with ...
2014-10-07 11:25 by DiaLFonZo
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RobotShop is not the manufacturer for the breakout board - it's from Sparkfun.
www.robotshop.com/en/sfe-breakout-board ... c-dac.html
2014-09-19 09:26 by CBenson
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The datasheet says: • The choice of A2 and A1 bits are provided by the customer as part of the ordering process. These bits are then programmed (hard-wired) during manufacturing • The A2 and A1 are programmed to ‘00’ (default), if not requested by customer Im assuming robotshop orders these and does...
2014-09-18 16:15 by archy587
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Hi, the schematic shows that A0 is pulled to ground, and the datasheet shows that A1 and A2 are both 0, so the address of the board is 0x60.
2014-09-18 15:51 by jarcand
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hello, Im looking at this product: http://www.robotshop.com/en/sfe-breakout-board-for-mcp4725-i2c-dac.html?gclid=CPSnptKA6cACFUMLMgodEmYA0w#Useful Links Im wondering what the fixed address bits are. In other words what will the I2C address be? A0 isnt broken out...which ...
2014-09-17 15:51 by archy587
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... The PX4FLOW board itself is using 3 different connection, two of them are UART and another look to be i2c. Of course, a USB as well for the board to be programmed (I suspect). They also claim that the board is not supported yet by Ardupilot firmware. ...
2014-08-06 14:25 by DiaLFonZo
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... however only measure Analog values up to 3.3v. There are a few Analog only Input pins and these pins are not 5v tolerant. Also it has 3 USARTS, 2 I2C and SPI... Or again could refer them to the PJRC site Kurt
2014-07-24 21:29 by kurte
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... [td]O - Button[/td][td]BTN[/td][td]EG2510-ND[/td] [td]O - Caps for power pins[/td][td]C1, C2, C3, C5, C6, C7, C14[/td][td]445-5303-ND[/td] [td]O - I2c PU[/td][td]R11, R12[/td][td]<NC>[/td] [td]O - LED[/td][td]R7[/td][td]1.00KXBK-ND[/td] [td]O - LED[/td][td] LED[/td][td]P607-ND[/td] [td]O - More ...
2014-07-13 19:11 by kurte
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... up solder. Checked an no voltage on 3.3v circuit. I then ran a jumper from the Teensy chip 3.3v output to one of the optional PU resistor pins for I2C and now have 3.3vs on that circuit. What I am thinking, is that maybe the capacitor is too close to the VR, which makes it easy to short and/or ...
2014-07-05 10:58 by kurte
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... feedback paths which is depended on the control mode(Instantaneous-Current or Average-Current). 4. Integrates RS485(auto baud rate detection) and I2C interfaces. ...... 1. What other functions do you want to integrate? 2. What is your opinion on the Gicren-Structure? 3. How much do you think the ...
2014-07-05 00:42 by gicren
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... (2A for single pin), this connector is typically applied in the low-current device, such as sensors. Pin-Definition : 1 : RS485-A 2 : RS485-B 3 : I2C-SDA 4 : I2C-SCL 5 : GND 6 : VCC 7 : VCC 8 : Error-Output 9 : GND You can follow me on twitter - - - Not For Commercial Purposes - - -
2014-06-30 10:18 by gicren
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Right, BBB can be the USB host, so all my explanations were making things more complicated than they needed to be... :S I haven't used a BBB much, so I haven't played with all the specifics like this...
2014-06-21 17:01 by jarcand
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Awesome. I've gotten a lot of people now that say it's possible. So looks like that's my plan A. Thanks dude!
2014-06-20 13:47 by jmcclaire
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Yep - there are many ways to do it... Example: http://www.instructables.com/id/How-to-make-a-BeagleBone-and-an-Arduino-communicat/?ALLSTEPS But I don't see any reason you can not just hook up the Arduino to the BBBk directly using standard USB cable as mentioned in the BeagleBone forum: https://grou...
2014-06-20 12:18 by kurte
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Cool. Thanks man. I completely forgot about the voltage differences. Good to remember. I found some people saying you can't do USB to USB with Arduino and BBB so I was looking for a Plan B if that doesn't work. I'm waiting on my Rev. C BBB which comes in Monday to try this out so I don't mess up my ...
2014-06-20 11:34 by jmcclaire
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