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My recent trip to the CCARC Field Day at Wyong resulted in the purchase of a stack of random bits and pieces. The fun is, as expected, sorting through the stuff in detail, learning about it in the …
Use a Raspberry Pi and Pi camera to build a small security camera that detects motion and saves images to Dropbox or Adafruit IO. With the NoIR camera and IR LEDs it can even see in the dark!
Ball grid array (BGA) packages have arrays of solder ball connections instead of leads, enabling high density interconnection with printed circuit boards (PCBs). However, the lack of visible leads and solder connections under the package presents challenges for hand soldering or reworking BGAs. Specialized techniques and tools are required. This article covers key BGA soldering […]
