dbrun/MQTT_Mailbox-_Doorsensor
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@ -31,6 +31,7 @@ I needed to create a pulse trigger singal, when the mailbox gets opened and if i
To get this result I used the following FINAL schematic: To get this result I used the following FINAL schematic:
![Alt text](pictures/Sensor_Resetswitch-Puls_Schematic.png?raw=true "Final schematic") ![Alt text](pictures/Sensor_Resetswitch-Puls_Schematic.png?raw=true "Final schematic")
![Alt text](pictures/Mailbox_sensor_layout.png?raw=true "Final PCB Layout")
The signal at the resetpin, when the reedswitch opens looks like that. By varying the value of the capacitor you can also change the pulse length: The signal at the resetpin, when the reedswitch opens looks like that. By varying the value of the capacitor you can also change the pulse length:
![Alt text](pictures/Resetpuls_Transistor.bmp?raw=true "Reset signal") ![Alt text](pictures/Resetpuls_Transistor.bmp?raw=true "Reset signal")