[UNVERIFIED] Astra diagram pass

This commit is contained in:
2026-09-10 23:39:49 +02:00
parent 45c0d7f8ec
commit 31b3595ac0
81 changed files with 3762 additions and 192 deletions
+2 -12
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@@ -9,13 +9,7 @@ use `SENSOR_GND` and are kept separate from ignition/injector return currents.
## General 0--5 V channels
```text
connector -- transient clamp -- R_TOP --+-- ADC-local C_HOLD -- ADC
|
R_BOTTOM
|
SENSOR_GND
```
![Analog input](../diagrams/analog-input.svg)
`R_TOP` is the divider's upper resistor; do not add a separate series
`R_PROT` in the normal passive channel. It is the element that limits current
@@ -45,11 +39,7 @@ of `+5V_SENS` and sample it close to the sensor channel.
## NTC temperature channels
```text
+5V_SENS -- R_PULLUP --+-- NTC -- SENSOR_GND
|
attenuator / local filter --> ADC
```
![Thermistor](../diagrams/thermistor.svg)
The attenuator and ADC protection are required even if a normal temperature
range appears below 3.3 V: an open thermistor raises the node to `+5V_SENS`.