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Eval » Historie » Version 12

Redmine Admin, 17.12.2021 15:03

1 1 Redmine Admin
h1. Eval
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* FPC 10p cable for CANIO/Miniminutnik
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* Buchsenleiste: TX/RX/POW/I2C
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* Boot/Reset button; gross
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* 4Pin I2C-JST-Stecker
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* TX/RX-LEDs (from adapter)
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* Power-LED
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* Target-LED
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* Micro-USB
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* Aussparung FPC-Stecker-Verrigelung
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* 1mm Acryl schon sehr windig, siehe CANDis platten. Aber geht?
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* MCP2221
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* LDO 3V
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* Schiebeschalter: I2C Power 5V/3V
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* LED power target
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VUsb must have bypass capacitor between 0.22 and 0.47 μF. _> 3x100nF
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When using internal LDO, GPIO and UART signals are 5V. We dont want this-> extern LDO
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vom Design Links USB rein, rechts FPC raus.
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LEDs vorne. Pinheader hinten oben. JST vorne.
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Konnektoren alle oben, IC unten (1mm) _> 6mm total height
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LED-Löcher von unten mit Uhu auffuellen?
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h2. Buchsenleiste
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|GND|
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|3V |
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|5V |
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|RX |
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|TX |
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|SCL|
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|SDA|
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|GND|
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h2. LEDs
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|VUSB   |GRN |
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|POW LDO|GRN |
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|Target |VIO |
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|RX     |RED |
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|TX     |YEL |
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<pre>
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----------------------
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|      PINHEADER     |
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|USB     O   O    FPC|
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|     ......      O O|
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--JST-----------------
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</pre>
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h2. Mechanics
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Big buttons are too big.
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Check if buttons B3FS-1010 are cool; only 0,3mm above coverplate; 3mm button diameter
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KSC541GROHS: 3mm height; 2,4 button diameter