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MikroElektronika offers development tools, compilers(mikroC, mikroBasic, mikroPascal), accesory boards, books for PIC, dsPIC30, PIC24, dsPIC33, PIC32, PSoC, AVR, 8051, ARM, microcontrollers, GSM, GPRS, GPS

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

International Electronic Discussion Forum: EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals

A discussion forum for electronics and circuits

Distributor of electronic components and parts, DigiKey offers quality products with same day shipment, products include: Semiconductors, Capacitors, Relays, Resistors, AC DC Converters, Circuits, Microcontrollers, Power, Lighting & Wireless Supp...

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Electronic circuits projects and diagrams

Microchip provides Microcontroller and Analog Semiconductors, with low-risk product development, lower total system cost and faster time to market.