eBay storefront czb6721960 product photos for 4cm x 6 cm double sided PCB’s is not accurate.   The boards arrived in sheets of four and had to be broken apart then sanded for smooth edges. The boards did not have white ink remarking the rows and columns. czb6721960 customer service was lacking in rectifying the misrepresentation of the product. […]

  eBay makes my life so simple!      

  Medical Heart Sensor Pads    

  Sorting Harry’s boxes and I unearthed some useful supplies!      

  Traveling is never dull as a I wake at dawn to program ATtiny45 microcontrollers for next weeks hackers at Ljudmila PIF Camp in Trenta, Slovenia.   Luckily I have my own tutorial on using Arduino as ISP and fresh coffee!    

  I purchased a mini travel speaker from Amazon for $7, exposed its guts, and hacked in an eTextile speaker.     Circuit Board         With original speaker connected with alligator clips.     eTextile speaker on 11 count Aida cloth.    

  A detailed image of a 10mm light emitting diode.      

  5mm Blue Light Emitting Diode with a clear lens from electron.com