Blob Grid Array Technique Mounts Board-To-Board
[Howard Matthews] mills his own PCBs, and man, does he hate drilling through-holes. Manually changing the bits between engraving and drilling after isolation routing? What is this? The stone age? [Howard] decided to rethink his DIY PCB manufacturing process, and came to one essential conclusion: Only a fraction of these drills are actually necessary.
Many of our cheap and beloved components, such as the NRF24L01+ and ESP-01 wireless modules come with unnecessarily bulky pin headers. To get away without drilling, [Howard] figured, that all he needs to do is leave out the pin headers and mount these modules board-to-board, using …read more
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