I cut the head off a micro USB power supply thinking I could improvise a full micro USB cable. I found only Vcc and gnd wires. So, I decided to tear into the connector itself. Inside the connector was this USB to micro USB adapter. Seems like 5-to-4 wiring with one of the pins on the 5-pin side not connected to anything–how a micro USB to USB should be wired. I tested connectivity with a multimeter, but I can't get any solder to stick on the D+ and D- pins on the 4-pin side. What type of material is this?
Electronic – Why can’t I solder to this micro USB adapter
solderingusb
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Best Answer
Try scraping it and or scratching it, then hold the solder iron on the material for a while to heat it up and apply solder directly to the solder iron and the material at the same time.