Th3maz1ng/ATMEGA328P_connectedMailBox
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Th3maz1ng 2022-10-02 12:46:41 +02:00
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README.md
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@ -6,6 +6,8 @@ This system is an ATMEGA328P and NRF24L01+ based low power device to detect when
**Check the LICENSE.md file at the root of this project for more information.**
![](http://82.64.196.164/images/git/connected_mailbox_system.png)
## What is this device capable of ?
The system is able to wait for up to three distinct events (interrupt sources). This means that it can detect up to three actions like :
* A letter was delivered in the mail box using the small letter tray.
@ -13,6 +15,7 @@ The system is able to wait for up to three distinct events (interrupt sources).
* The mail was picked up using the rear door by me or a family member.
**Changing the design of the event detection circuit can easily increase the number of various events that could be detected**
The schematic is available [here](/git/Th3maz1ng/ATMEGA328P_connectedMailBox/src/branch/master/schematic/ATMEGA328P_connectedMailBox.pdf).
The device is fixed to the mailbox using two strong neodymium magnets. No need to make holes in the box.
## Power consumption :
@ -76,4 +79,24 @@ You may change some settings present in the ***definition.h*** file located in t
***If you have any questions, do not hesitate to contact me at : bugreport[at]laposte[dot]net***
## Finally here are some pictures of the PCB and device :
## Finally here are some pictures of the PCB, reed switches setup and mailbox :
### Overall device:
![](http://82.64.196.164/images/git/connected_mailbox_system_open_pcb_out.png)
### Junction box layout closeup:
![](http://82.64.196.164/images/git/connected_mailbox_system_open_closeup.png)
### PCB back :
![](http://82.64.196.164/images/git/connected_mailbox_pcb_back.png)
### PCB front :
![](http://82.64.196.164/images/git/connected_mailbox_pcb_front.png)
### Reed switch installation in the mailbox :
![](http://82.64.196.164/images/git/connected_mailbox_mailbox.png)
### Package door lock reed switch closeup:
![](http://82.64.196.164/images/git/connected_mailbox_mailbox_door_lock.png)
### Letter tray reed switch closeup:
![](http://82.64.196.164/images/git/connected_mailbox_mailbox_letter_tray.png)