Eval » Historie » Version 14
Maximilian Seesslen, 28.04.2022 15:51
| 1 | 1 | Redmine Admin | h1. Eval |
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| 2 | |||
| 3 | * FPC 10p cable for CANIO/Miniminutnik |
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| 4 | 8 | Redmine Admin | * Buchsenleiste: TX/RX/POW/I2C |
| 5 | 2 | Redmine Admin | * Boot/Reset button; gross |
| 6 | * 4Pin I2C-JST-Stecker |
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| 7 | 1 | Redmine Admin | * TX/RX-LEDs (from adapter) |
| 8 | * Power-LED |
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| 9 | * Target-LED |
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| 10 | * Micro-USB |
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| 11 | * Aussparung FPC-Stecker-Verrigelung |
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| 12 | 8 | Redmine Admin | * 1mm Acryl schon sehr windig, siehe CANDis platten. Aber geht? |
| 13 | 1 | Redmine Admin | * MCP2221 |
| 14 | * LDO 3V |
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| 15 | 2 | Redmine Admin | * Schiebeschalter: I2C Power 5V/3V |
| 16 | 10 | Redmine Admin | * LED power target |
| 17 | 1 | Redmine Admin | |
| 18 | 6 | Redmine Admin | VUsb must have bypass capacitor between 0.22 and 0.47 μF. _> 3x100nF |
| 19 | 1 | Redmine Admin | When using internal LDO, GPIO and UART signals are 5V. We dont want this-> extern LDO |
| 20 | 4 | Redmine Admin | |
| 21 | vom Design Links USB rein, rechts FPC raus. |
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| 22 | 1 | Redmine Admin | LEDs vorne. Pinheader hinten oben. JST vorne. |
| 23 | Konnektoren alle oben, IC unten (1mm) _> 6mm total height |
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| 24 | |||
| 25 | 10 | Redmine Admin | LED-Löcher von unten mit Uhu auffuellen? |
| 26 | |||
| 27 | 8 | Redmine Admin | h2. Buchsenleiste |
| 28 | |||
| 29 | |GND| |
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| 30 | |3V | |
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| 31 | |5V | |
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| 32 | |RX | |
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| 33 | |TX | |
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| 34 | |SCL| |
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| 35 | |SDA| |
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| 36 | 1 | Redmine Admin | |GND| |
| 37 | 10 | Redmine Admin | |
| 38 | h2. LEDs |
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| 39 | |||
| 40 | |VUSB |GRN | |
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| 41 | |POW LDO|GRN | |
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| 42 | |Target |VIO | |
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| 43 | |RX |RED | |
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| 44 | |TX |YEL | |
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| 45 | 11 | Redmine Admin | |
| 46 | 12 | Redmine Admin | |
| 47 | <pre> |
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| 48 | 11 | Redmine Admin | ---------------------- |
| 49 | | PINHEADER | |
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| 50 | |USB O O FPC| |
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| 51 | | ...... O O| |
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| 52 | --JST----------------- |
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| 53 | 12 | Redmine Admin | </pre> |
| 54 | |||
| 55 | h2. Mechanics |
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| 56 | |||
| 57 | Big buttons are too big. |
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| 58 | Check if buttons B3FS-1010 are cool; only 0,3mm above coverplate; 3mm button diameter |
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| 59 | KSC541GROHS: 3mm height; 2,4 button diameter |
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| 60 | 13 | Redmine Admin | |
| 61 | 1mm Cover plate |
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| 62 | 3mm spacers |
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| 63 | 1,6mm PCB |
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| 64 | 1mm spacer |
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| 65 | 1mm cover plate |
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| 66 | 14 | Maximilian Seesslen | |
| 67 | h2. Readme |
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| 68 | |||
| 69 | <pre><code class="shell"> |
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| 70 | for f in /sys/class/i2c-adapter/i2c-* ; do echo -n "${f##*-}: "; cat "$f/name"; done |
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| 71 | </code></pre> |