Wiki source code of Power controller
Version 13.1 by Mathias Larsen on 2026/06/17 16:23
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6.2 | 1 | |
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| 3 | == Microcontroller Pinout == | ||
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11.1 | 5 | The power controller uses a microcontroller to control the pumps, fans, buzzer, and brake light. It also features current monitoring and LED indicators. The Microcontroller used in this system is STM32G431CBT6 |
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7.1 | 6 | |
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2.4 | 8 | |=Physical pin|=Electrical pin|=((( |
| 9 | Description | ||
| 10 | ))) | ||
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4.2 | 11 | |1|VBAT|Power source from a backup battery if a RTC would be used (Connected to +3V3 in this case) |
| 12 | |5|OSC_IN|Clock input (8MHz oscillator) | ||
| 13 | |7|NRST|Negative reset which can be connected to a button (Connected to +3V3) | ||
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7.2 | 14 | |8|PA0|Analog signal: Current 6 Supply 24V resserve |
| 15 | |9|PA1|Analog signal: Current 7 Supply 24V resserve | ||
| 16 | |10|PA2|Analog signal: Current 5 Supply sensor card | ||
| 17 | |11|PA3|Analog signal: Current 4 Supply front | ||
| 18 | |12|PA4|Analog signal: Current 3 Supply accumulator | ||
| 19 | |13|PA5|Analog signal: Current 2 Supply fans | ||
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7.3 | 20 | |14|PA6|Digital output LED 9 |
| 21 | |15|PA7|Digital output LED 2 | ||
| 22 | |16|PB0|Analog signal Current 8 Supply buzzer, brake light | ||
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8.1 | 23 | |17|PB1|PWM: enable Fan 1 |
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7.4 | 24 | |18|PB2|Input: V-sense |
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5.1 | 25 | |19|VSSA|Voltage source: Ground |
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9.1 | 26 | |20|VREF|Voltage reference (Internal voltage refferance) |
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5.1 | 27 | |21|VDDA|Voltage source: Power (+3V3) |
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7.4 | 28 | |22|PB10|Digital output: LED 8 |
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5.1 | 29 | |23|VSS|Voltage source: Ground |
| 30 | |24|VDD|Voltage source: Power (+3V3) | ||
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7.1 | 31 | |25|PB11|Current 1 Internal components |
| 32 | |26|PB12|Current 9 Supply 12 V Pumps inverter and datalogger | ||
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8.1 | 33 | |29|PB15|PWM: enable fan 2 |
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13.1 | 34 | |30|PA8|Digital output Enable buzzeer(On the car it is Brake light) |
| 35 | |31|PA9|((( | ||
| 36 | Digital output Enable brake light(On the car it is the buzzer) | ||
| 37 | ))) | ||
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7.4 | 38 | |32|PA10|Input ASMS signal |
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12.1 | 39 | |33|PA11|CAN-BUS RXD |
| 40 | |34|PA12|CAN-BUS TXD | ||
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5.1 | 41 | |35|VSS|Voltage source: Ground |
| 42 | |36|VDD|Voltage source: Power (+3V3) | ||
| 43 | |37|PA13|SWDIO | ||
| 44 | |38|PA14|SWCLK | ||
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9.2 | 45 | |40|PB3|Digital output: LED 3 |
| 46 | |41|PB4|Digital output: LED 4 | ||
| 47 | |42|PB5|Digital output: LED 5 | ||
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10.1 | 48 | |43|PB6|Digital output: Enable Pump 1 |
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9.2 | 49 | |44|PB7|Digital output: Enable Pump 2 |
| 50 | |45|PB8|Digital output: LED 6 | ||
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5.1 | 51 | |46|PB9|LED 7 |
| 52 | |47|VSS|Voltage source: Ground | ||
| 53 | |48|VDD|Voltage source: Power (+3V3) | ||
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2.1 | 54 | |
| 55 |