Adafruit PCB Ruler - 6"
Lineal aus Leiterplatten Material (FR4) mit einem Dutzend verschiedener Packages als Referenzdesign auf der Leiterplatte.
The first time you soldered up a surface mount component you may have been surprised "these are really small
parts!" and there's dozens of different names too! QFN, TDFN, SOIC,
SOP, J-Lead, what do they mean and how can you tell how big they are?
Now you can have a reference board at your fingertips, with this snazzy
PCB reference ruler.
Measuring approx 1" x 6", this standard-thickness FR4, gold plate ruler
has the most common component packages you'll encounter. It also has
font size guide, trace-width diagram, and a set of AWG-sized drills so
you can gauge your wire thicknesses. Edges are labeled in inches with
1/8th marks and cm with 0.1cm marks.
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