Electronics/Schematic
Reading a Schematic
How to Read a Schematic - learn.sparkfun.com -
https://learn.sparkfun.com/tutorials/how-to-read-a-schematic/all
R1 - Resistor C1 - Capacitor L1 - Inductor S1 - Switch D1 - Diode Q1 - Transistor U1 - Integrated Circuit IC1 - Integrated Circuit J1 - Header JP1 - Jumper/Connector T1 - Transformer K1 - Relay LS1 - Speaker/Buzzer M1 - Motor F1 - Fuse BAT1 DC AC VCC 5V v+ - Power Source GND - Ground
Reverse Engineer Circuit Board
How to reverse engineer a schematic from a circuit board - http://www.instructables.com/id/How-to-reverse-engineer-a-schematic-from-a-circuit/
Drawing Software
Free Software Options:
- TinyCAD - SourceForge.net: TinyCAD - tinycad - http://sourceforge.net/apps/mediawiki/tinycad/index.php?title=TinyCAD
- Dia - Dia a drawing program - https://wiki.gnome.org/Dia
- ExpressPCB - ExpressPCB - Free PCB layout software - Low cost circuit boards - Top quality PCB manufacturing - http://www.expresspcb.com/expresspcbhtm/Free_schematic_software.htm
- "The ExpressPCB CAD software is very easy to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional. Best of all, its FREE. "
Free Online Options:
- SchemeIt - Free Online Schematic Drawing Tool | DigiKey - http://www.digikey.com/schemeit
- CircuitLab - Online Schematic Drawing Tool - https://www.circuitlab.com/editor/
- Fritzing - http://fritzing.org/
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Lists:
- Free electronic circuit diagram/schematic drawing software-Download - http://www.circuitstoday.com/electronics-circuit-drawing-softwares
- Free electronic design software - http://www.prototypexpress.com/software.htm
Fritzing
Fritzing - http://fritzing.org/
"Fritzing is an open-source hardware initiative to support designers, artists, researchers and hobbyists to work creatively with interactive electronics. We are creating a software tool, a community website and services in the spirit of Processing and Arduino, fostering an ecosystem that allows users to document their prototypes, share them with others, teach electronics in a classroom, and layout and manufacture professional pcbs."