Categories

• Announcements
  

  Announcements regarding our community

  5
  Topics
  8
  Posts

  P

  Soldering is one among the foremost basic skills required to dabble within the world of natural philosophy. the 2 go along like peas and carrots. And, though it's potential to find out concerning and build natural philosophy with no need to select up a hand tool, you’ll shortly discover that a full new world is opened with this one easy ability. we tend to here at SparkFun believe that attachment ought to be a ability in everyone’s arsenal. in a very world of accelerating technological surroundings, we tend to believe it's vital that individuals all over be able to not solely perceive the technologies they use everyday however even be able to build, alter, and fix them furthermore. attachment is one among several skills which will empower you to try to to simply that.

  In this tutorial we are going to re-evaluate the fundamentals of through-hole soldering – additionally referred to as plated through-hole soldering (PTH), discuss the tools required, re-evaluate techniques for correct attachment, and show you wherever you'll be able to go from there. we are going to additionally discuss process because it pertains to through-hole soldering and provides you some tips and tricks which will create fixing any piece of natural philosophy a breeze.

• Colorimeter
  

  Forum for discussing the IO Rodeo colorimeter

  19
  Topics
  74
  Posts

  A

  Hi .
  I want to use this as a part of a larger project
  any idea how can i redirect the output to serial?

• Rodeostat
  

  Forum for discussing the new open source potentiostat shield

  36
  Topics
  137
  Posts

  H

  Hi every one,
  I am a student. I am researching about Microbial Fuel Cell. I am going to measure Cyclic Voltammetry. Im finding a device for my purpose. I think Rodeostat is Good for me. But with my budget, I want to buy Rodeostat PCB assembled and Teensy 3.2, beacause the Cost for shipping around 100 USD.
  I would like to ask everyone. When I buy Rodeostat PCB assembled and Teensy 3.2. Can I connect Teensy 3.2 into Rodeostat PCB assembled? And It is enough to be ready for use or I need to buy something else.
  I hope I will receive your answers.
  Thank you

• Cheapstat Potentiostat
  

  Forum for discussing open source potentiostats

  30
  Topics
  102
  Posts

  P

  @Will-Dickson
  Ok thanks. PC1 should be accessible enough to solder.
  And I guess Rodeastat would indeed be much more interesting for my application. But I've these couple Cheapstats already so I'll try to make them work before moving to the next generation.

• Electrophoresis and Gel Imaging
  

  A forum for discussing our open source gel electrophoresis, transilluminators and gel imaging equipment

  25
  Topics
  59
  Posts

  J

  Hi Adrian,
  The gel trays are plain acrylic, not solacryl (i.e. not UV transmissive). So they cannot be placed on a transilluminator. You would need to take the gel out of the tray and place it onto the transilluminator. The combs are Teflon.
  Let me know if you have any follow-up questions.
  Thanks !
  Jo

• Panels Display System
  

  Forum for questions about the Panels Display System

  2
  Topics
  9
  Posts

  A

  Oh gosh, you are right! I’m sorry for the delay but I was very busy. I have never thought to rotate the LED matrix because I thought I was right with that (otherwise, if not, no LED would have turned on). Thanks very much! I also take advantage of you for another issue. I have tried to load the arena configuration on the SD card but PControl doesn’t let me do that. Have you any suggestion? It seems that the controller doesn’t communicate to the SD nevertheless at the beginning (when the controller is switch on) PControl finds and initializes the SD card. I’m sorry because of all these questions!

• Online store and Shipping
  

  A place to ask questions about our online store, inventory and shipping

  10
  Topics
  25
  Posts

  S

  Hi

  Can someone send me exact dimensions for the B type adapter? We are designing electrodes ourselves and would like them to fit one of these snugly.

  https://cdn.shopify.com/s/files/1/1091/6464/products/ver_b_1_1024x1024.png?v=1450386343

  Cheers
  Thomas
  Scientist
  Spotcheck Technologies Ltd.

• General Discussion
  

  A place to talk about whatever you want

  7
  Topics
  8
  Posts

  J

  Hi Greg,
  Thank you for your kind words about our work and for reaching out ! We will definitely take a look at the openhardware.science website, thanks. Your work sounds very cool, and we would love to chat further. We sent you a message on here so look for that and hopefully we can connect and chat soon !
  Best,
  Jo

• Shields & Breakout Boards
  

  Forum for discussing the IO Rodeo colorimeter

  3
  Topics
  9
  Posts

  W

  @fscker

  It looks like the RTL8195 has 3.3V IO. The potentiostat shield powers the MCP4261 with 5V. So you are connecting a 3.3V device to a 5V device - I think. I'm not sure if the IO pins on the RTL8195 are 5V tolerant, but you might want to check. Could be related to you issue.

  Note, the MCP4261's could be powered off of 3.3V. They have a pretty broad allowed input range 2.7 - 5.5V. This would require cutting one trace - the one going to the 5.5V on the shield - and rerouting this trace to to the 3.3V pin.

  The spec sheet for the MCP4261 can be found here. http://ww1.microchip.com/downloads/en/DeviceDoc/22059b.pdf