Eval » Historie » Version 9
Maximilian Seesslen, 03.11.2025 13:33
| 1 | 1 | Maximilian Seesslen | h1. Eval |
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| 2 | |||
| 3 | 3 | Maximilian Seesslen | * MAX31855; SPI |
| 4 | * Simple stm32f042 with 32KB flash; 16KB might be tough due to lot of periphery |
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| 5 | * Send temperature every X seconds |
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| 6 | 9 | Maximilian Seesslen | * 10nF across T+/T- (Datasheet recommendation) |
| 7 | * Eval kit has 0603 BLM18PG471 ferrit beans in series to sensor on T+ and T-; 470 Ohms @ 100 MHz; Current Rating (Max) 1A; DC Resistance (DCR) (Max) 200mOhm |
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| 8 | 3 | Maximilian Seesslen | * 100nF across VDD/GND |
| 9 | 5 | Maximilian Seesslen | * No further power injection |
| 10 | 3 | Maximilian Seesslen | |
| 11 | h1. Periphery |
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| 12 | |||
| 13 | 6 | Maximilian Seesslen | * SPI; 3 |
| 14 | * I2C; 2 |
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| 15 | * Uart; 2 |
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| 16 | * SWD; 2 |
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| 17 | * 2 x LED; 2 |
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| 18 | * Rx/Tx LED; 2 |
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| 19 | |||
| 20 | -> 13 |
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| 21 | |||
| 22 | 5 | Maximilian Seesslen | h1. MCU |
| 23 | |||
| 24 | 1 | Maximilian Seesslen | * STM32F042G6U6 |
| 25 | 7 | Maximilian Seesslen | |
| 26 | h1. Temperaturfuehler |
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| 27 | |||
| 28 | https://www.testo.com/de-DE/wasserdichter-lebensmittelfuehler-aus-edelstahl-ip65/p/0602-2292#tab-downloads |
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| 29 | 8 | Maximilian Seesslen | |
| 30 | STM32L152R6T |
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| 31 | https://www.st.com/resource/en/datasheet/stm32l152r6.pdf |
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| 32 | |||
| 33 | Buchse |
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| 34 | https://www.tme.eu/de/details/im-k-ff-iec-/sonstige-steckverbinder/ |
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| 35 | https://www.tme.eu/de/details/g9991451010hk00/temperatursensoren-zubehor/guenther/99-91451010-hk00/ |
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| 36 | |||
| 37 | AM-K-PCB |
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| 38 | https://www.hamitherm.com/wp-content/uploads/01.04.01_CMJ-xxPF-Thermocouple-Connector-Miniature-PCB.pdf |
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| 39 | https://www.distrelec.de/Web/Downloads/_b/ro/Thermocouples_2014_eng_bro.pdf |
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| 40 | https://www.sensorshop24.de/miniaturkupplung-fuer-typ-k-j-t-n-r-s |
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| 41 | |||
| 42 | Dimensions |
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| 43 | https://www.farnell.com/datasheets/1918851.pdf |