A surprising look at another eprom

Look. Recently I found this Microchip IC on an old printer pcb. It’s a 256k EPROM.

Continue reading A surprising look at another eprom

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Andonstar USB Microscope – This is not a review

Introduction

I recently had to do some surface mount solder inspection. The chip – one of these tiny little 0.65mm pitch SSOP-28 packages – apparently stopped working. Was there a problem with the soldering? I didn’t know. But I did some rough handling of the PCB. So how to check? I thought: Ruben, get yourself an USB microscope. Continue reading Andonstar USB Microscope – This is not a review