Schematic fix to CMD-7 and CMD-12

2026-08-20 20:42:27 +03:00
parent 4d84cf3468
commit ad1e3f311a
4 changed files with 179 additions and 138 deletions
@@ -1,3 +1,22 @@
-# hw-heater-on-oil
+# hw-stroy-master-domofon

-HW for heater on oil
+HW for intercom from stroy master domofon.
+
+## CMD-7
+
+```mermaid
+stateDiagram-v2
+    [*] --> Idle: High Impedance (>10kΩ)
+    Idle --> Ringing: Panel applies AC/Pulsed DC
+    Ringing --> OffHook: Line load drops to ~300Ω–600Ω (Answer Call)
+    OffHook --> DoorRelease: Line shorted to <50Ω (Press Button)
+    DoorRelease --> Idle: Panel unlocks door & resets
+```
+
+
+| state | Resistance | Voltage |
+| -- | -- | -- |
+| idle | 56 kOhm | 0V |
+| ring | | |
+| peak | | |
+| open | | |