18f67j60:
http://dangerousprototypes.com/2009/09/10/prototype-twitter-watcher-the-twatch/
dsPIC 33FJ128GP204 + enc:
http://dangerousprototypes.com/docs/Web_platform_hardware_design
TCP/IP stack:
http://dangerousprototypes.com/docs/Web_Platform#Microchip_TCP.2FIP_stack
sitedeki bütün devvrelerin dosyalarını indir: http://code.google.com/p/dangerous-prototypes-open-hardware/downloads/list
18f67j60 devresi:
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Part | Value | Package |
IC1 | PIC 18F67J60 | TQFP-64 |
C1-3 | 10uF tantalum capacitor, 10volts+ | SMC_A |
C4,5 | 33pF capacitor | 0805 |
C10,11,C14-23 | 0.1uF capacitor | 0805 |
ICSP | 5x 0.1″ male pin header |
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J1 | 2.1mm SMD power jack | SMD |
J2 | HR911105A ethernet jack | RJ-45 |
L1, L2 | Ferrite bead, 200ma+ | 0805 |
NPN1 | NPN transistor, 250hfe+, 800ma+ | SOT-23 |
Q1 | 25MHz SMD crystal | HC49UP |
R2(A) | 10K single turn trim resistor | 3mm SMD or through hole (cheapest) |
R3 | 240 ohms resistor | 0805 |
R4-6 | 390 ohms resistor | 0805 |
R7 | 2,260 ohms resistor, 1% | 0805 |
R10-21 | 10,000 ohms resistor | 0805 |
R30-33 | 49.9 ohms resistor, 1% | 0805 |
VR1 | LDO 3.3volt regulator (LD1117) | TO-220 |
VR2 | 7805T 5volt regulator | TO-220 |
HD44780-LCD | 20×4 HD44780 character LCD | – |
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Güzel bilgiler: http://www.ucontrol.com.ar/forosmf/proyectos-con-pic/multiboard-pic-trainer-2-0/90/ |
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güzel çizimlerin olduğu bir kaynak: http://www.mikrocontroller.net/topic/209140 |
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