Drag soldering for surface mount chips

This video by Steve of Big Mess o’ Wires demonstrates how to solder a 44-pin chip in a typical TQFP package using the drag soldering technique: The process begins by applying a liberal amount of flux to the pads, then positioning the chip on top. I use a pencil eraser to hold the chip steady while I tack down […]

Week in (p)review: February 13, 2011

Don’t forget to share your current project in the comments or the forum. This week our favorite project gets a free SOIC protoboard. Here’s a summary of major developments over the last week: Jawi released a new version of his client for the Logic Sniffer. This supports new features in the experimental Verilog core from […]

Week in (p)review: February 06, 2011

Don’t forget to share your current project in the comments or the forum. This week our favorite project gets a free SOIC protoboard. Here’s a summary of major developments over the last week: We released a bunch of abandoned or stalled prototypes: XT IDE disk controller, Ethernet JTAG debugger, Ethernet LED driver, PIC Z-machine emulator, […]