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Router Attack

Fight against nearby routers with this Altoids can ESP8266 game

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I’ve found one Heltec WiFi Kit 8, which is a small ESP8266 with integrated 128x32 Oled screen and I’ve started to think what to do with it for the Tech at Home contest. I’ve came out with the idea of a small WiFi game named Router Attack

 In a drawer I’ve found a Heltec WiFi Kit 8, which is a small ESP8266 with integrated 128x32 Oled screen and I’ve started to think what to do with it for the Tech at home contest.

I’ve came out with the idea of a small WiFi game named Router Attack, where nearby routers will populate the enemies. Each enemy is placed in a sort of grid with coordinates obtained from RSSI and Channel. Router encryption type is used as the tolerance to the fire. Example: if the router is open, it will be easier to take it down, even if your coordinates are not precise. If you are using AES-TKIP you will need accuracy to aim.

So, the game starts when you select a Router SSID from the list. Then a graphic shows the approximate location. Based on that graph you have to enter coordinates. After that, a shooting animation shows target versus fire, total attempts and score. A final screen shows a kind of router sheet information with SSID, Channel, RSSI and Encryption.

I’ve added a battery from an old cell phone which last forever and I’ve designed a small case front to fit an Altoids tin.

The idea is pretty simple but when you play it, it turns out kind of fun.

Circuits

Oled screen is already integrated so, you only have to connect a button to GND and D6, a potentiometer to GND, 3v and A0, and a Buzzer to GND and D7.

If you are going yo use a battery, you can directly plugin to the on board battery charger. Since I don´t have the required battery connector, I’ve decided to use an external TP charger and connect regular pins.

Distance calculation

The formula used to calculate the distance between fire coordinates and target is the following:

z=sqrt( (currentRSSI-selectedRSSI)*(currentRSSI-selectedRSSI)+ (currentChannel-selectedChannel)*(currentChannel-selectedChannel) );

z=sqrt( (currentRSSI-selectedRSSI)*(currentRSSI-selectedRSSI)+ (currentChannel-selectedChannel)*(currentChannel-selectedChannel) );

Where to go from here?

EEProm storage of score and targets, statistics of routers by encryption type. You can even create a WiFi chart analyze tool with the same coding that the game has. 

Interested in other Arduino/ESP8266 projects?

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  • 1
    Step 1

    1. Connect buzzer to D7 and Ground

    2. Connect button to D6 and Ground

    3. Connect potentiometer to A0, 3.3v and Ground

    4. Connect battery to VIN and Ground

    5. Upload the code

    6. Print the case front

    7. Fit inside an Altoids can and you are ready

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