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  • HACKLET 70 – CALCULATOR PROJECTS

  • Hackers, makers, and engineers have long had a love affair with number crunching. Specifically with the machines that make crunching numbers easier. Today it may be computers, smart watches, and smartphones, but that wasn’t always the case. In the 50’s...
  • Low part count!!!!

  • After attempting to create a radio PCB for the Flea, I ran into an issue that I'm sure most RF EE's run into.....not enough board area! Yes, there's many small radio modules out there, like the HopeRF varieties with are 16x16mm. My problem is that in...
  • V9958 - Beyond Hello World

  • Development on the V9958 board continues apace, and after a false start due to a silly mistake in the first revision things are back on-track with a revision 1 prototype. The design is now validated and working really well. So far it's baby-steps in...
  • Reverse engineering the keypad

  • I had my time completely occupied by lectures and exam, but today i finally found some time to continue from where I left off: understanding how the keypad works. Smelting the problems away Due to the age of the device, I wasn't able to get any output...
  • MTPA merged into VESC!

  • Another performance contribution to VESC from powerdesigns! Now that we earned some deep insights about the inner workings of IPM machines, lets recap what is MTPA about. MTPA stands for Maximum Torque Per Amp, which means that for a given current flowing...
  • Copycat Prototyping

  • For occasional fun, I'll cruise around ebay and amazon and newegg and similar sites for some inspiration and to see how cheap stuff from China is. Electronics shouldn't get designed in a vacuum, eh? A few ideas for this project came together:Cheap development...
  • First entry

  • It all starts here. The body is printed (along with a complete spare body with stronger arms). The M3 screws have been a pain to find locally. Had to resort to Ace Hardware. I will say the employee who worked with me to find the screws in their racks...
  • SPI is up, tested with MFRC522

  • MFRC5C522 is a combined reader and writer for RFID tags that comply with ISO/IEC 14443 like A/MIFARE and NTAG. The commonly available inexpensive boards have an SPI interface, we will make it talk with Explore M3 in this tutorial. - See more at: http://exploreembedded.com/wiki/MIFARE_MFRC522_RFID_with_Explore_M3...
  • Upgraded Hardware

  • got some Hex socket cap head M3 screws. They fit well an sit nicely into the bore of the hole. There is still a bit of material to clear out of the bore, which causes the head of the screw to sit proud but it like it lie that.
  • Shipping out

  • I have been thinking about shipping costs recently and how they are skewing the way we shop. Here are a few examples, for what they are worth. My wife and I sent a package to a friend filled with books. It was a reasonably small package, less than 1...
  • Building the Frame for the Clock

  • For this clock i'm not going to use a donor clock, instead i'm going to build it from aluminium profile and cover it with plywood. This will give it a nice industrial look.Ordered aluminium profiles and 90 degree connectors from Misumi and m3 x 8mm hex...