OPL improves your APM(actions per minute) when making a project


I so want a “helper” when I tinker a project. OPL (Open parts library) is like a helper for me, he makes building a project much faster, much cheaper and much easier. He is a collection of most commonly-used components, including IC, resistor, capacitor, IC, etc. More than that, open source eagle library, 3D-modules and […]

PCB: Death & Rebirth


Lots of PCBs will be defected during the manufacture/QA process. Defects were usually caused by unexpected wrong design, a wrong BOM list, bad assembled/soldered(I hate FFC connectors…), bad components(broken epaper…) or just wrong silk screen. How do we usually deal with them? You know, the wall behind Seeed receptionist is made of PCBs. We offered […]

Seeeduino release notice ver 1.0b

Seeeduino v1.0b Overview Seeeduino is Arduino compatible board. Its design is based on Diecimila scheme, 100% compatible to its existing program, shield and IDEs. On the hardware part, remarkable changes are taken to improve the flexibility and user experience. Schematic & Reference Design EAGLE Schematic file: >>click to downlaod EAGLE PCB file: >>click to download […]

An idea about open source PCBs

This is what I witnessed: People are making various shields and boards, which is expensive ran by someone alone. Not like the code in sourceforge which everybody can download and copy, open source hardwarer often stop to hesitate before PCB making. However, most of the designs are contributed to the community under Creative Commons Attribution […]