Autodesk is offering a tool similar to Fritzing: http://www.123dapp.com/circuits
They are tools to design a diagram of a circuit.
💬 Audio Amplifier Circuit on PCB Using LM386
💬 Arduino Pro Mini Shield for RFM69(H)W
Box for in wall pcb
Clearance, creepage and other safety aspects in "MySensors" PCBs.
[contest] 3D printed battery powered Wall Remote Control
My "hybrid" gateway
PCB design and production
Step-up / Boost regulator PCBs