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Changes for page Power controller

Last modified by Mathias Larsen on 2026/09/24 21:21
From version 6.1
edited by Mathias Larsen
on 2026/05/24 18:04
Change comment: There is no comment for this version
To version 8.1
edited by Mathias Larsen
on 2026/05/25 12:10
Change comment: There is no comment for this version

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... ... @@ -1,3 +1,10 @@
1 +
2 +
3 +== Microcontroller Pinout ==
4 +
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 D
6 +
7 +
1 1  |=Physical pin|=Electrical pin|=(((
2 2  Description
3 3  )))
... ... @@ -4,29 +4,29 @@
4 4  |1|VBAT|Power source from a backup battery if a RTC would be used (Connected to +3V3 in this case)
5 5  |5|OSC_IN|Clock input (8MHz oscillator)
6 6  |7|NRST|Negative reset which can be connected to a button (Connected to +3V3)
7 -|8|PA0|Current 6
8 -|9|PA1|Current 7
9 -|10|PA2|Current 5
10 -|11|PA3|Current 4
11 -|12|PA4|Current 3
12 -|13|PA5|Current 2
13 -|14|PA6|LED 9
14 -|15|PA7|LED 2
15 -|16|PB0|Current 8
16 -|17|PB1|PWM enable Fan
17 -|18|PB2|V-sense
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
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
23 +|17|PB1|PWM: enable Fan 1
24 +|18|PB2|Input: V-sense
18 18  |19|VSSA|Voltage source: Ground
19 19  |20|VREF|Voltage reference (connected to +3V3)??
20 20  |21|VDDA|Voltage source: Power (+3V3)
21 -|22|PB10|LED 8
28 +|22|PB10|Digital output: LED 8
22 22  |23|VSS|Voltage source: Ground
23 23  |24|VDD|Voltage source: Power (+3V3)
24 -|25|PB11|Current 1
25 -|26|PB12|Current 9
26 -|29|PB15|PWM fan
27 -|30|PA8|Enable buzzeer
28 -|31|PA9|Enable brake light
29 -|32|PA10|ASMS signal
31 +|25|PB11|Current 1 Internal components
32 +|26|PB12|Current 9 Supply 12 V Pumps inverter and datalogger 
33 +|29|PB15|PWM: enable fan 2
34 +|30|PA8|Digital output Enable buzzeer
35 +|31|PA9|Digital output Enable brake light
36 +|32|PA10|Input ASMS signal
30 30  |33|PA11|CAN bus RXD
31 31  |34|PA12|CAN bus TXD
32 32  |35|VSS|Voltage source: Ground