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.** **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 ? ## 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 : 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. * 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. * 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** **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. The device is fixed to the mailbox using two strong neodymium magnets. No need to make holes in the box.
## Power consumption : ## 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*** ***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)