Nice Circuits Electronics, 3d printers, robots

CH340G D-SUN-V3.0 module PCB with marked components 2

CH340G USB to RS232 TTL module schematic (D-SUN-V3.0)

Cheap ($1) chinese USB to RS232 TTL modules from eBay. Works fine and is cheap enough to be thrown anywhere. Windows drivers download: http://www.arduined.eu/ch340g-converter-windows-7-driver-download/ CH340G datasheet (third-party translation): http://cdn2.boxtec.ch/pub/diverse/ch340g-datasheet.pdf Schematic (reverse engineered): Source version...

Prusa i3+ 0

Enlarged Prusa i3

There is a printer that I built some time ago. It’s modified Prusa i3 with bigger print area. It’s 300x300x200mm instead of 200x200x200mm. It may sound like nothing difficult, but it wasn’t so simple...

0201 0

Hand soldering 0201 resistors

I use 0603 resistors and capacitors as standard size. In smaller PCB’s with higher component density I use 0402. They are both quite easy to hand solder if you have some practice and some...

Automatic center punch 1

Automatic Center Pounch

Sometimes you need to drill a hole, nice hole, precisely in some place. It can be difficult, especially in hard materials like steel. Best way in such case is to mark center of a...

Fairchild Semiconductor 0

Fairchild Semiconductor

Fairchild Semiconductor has just got a very high place in my personal list of giving a middle finger to customers. You go to their site to search for some stuff. For example, a MOSFET....

Würth Elektronik 0

Würth Elektronik

When designing electronics you have to deal with many components from many manufacturers. Each one of them have different approach to their customers. There are companies who will give you datasheet or 3D model...