Slides from the workshop "Controlling a PC using Arduino" conducted at 44CON 2013 in London. It goes through hardware and software used to remotely control a PC (power/reset). Future developments will be including a telnet/rs232 and environment variables.

1. Controlling a PC usingControlling a PC using
ArduinoArduino
Michael BomanMichael Boman

2. The componentsThe components
Arduino Development BoardArduino Development Board
Arduino Ethernet ShieldArduino Ethernet Shield
Arduino Relay ShieldArduino Relay Shield
Code: REST serverCode: REST server

3. Arduino DevelopmentArduino Development
BoardBoard

4. Arduino Ethernet ShieldArduino Ethernet Shield

5. Arduino Relay ShieldArduino Relay Shield

6. How does a relay work?How does a relay work?

7. CodeCode

8. FunctionsFunctions
void setup()void setup()
void send404(EthernetClient client)void send404(EthernetClient client)
void sendStatus(EthernetClient client, char *variable, charvoid sendStatus(EthernetClient client, char *variable, char
*value)*value)
char** parse(char* str)char** parse(char* str)
void reboot(int relay)void reboot(int relay)
void handleCommand(EthernetClient client, char* cmd,void handleCommand(EthernetClient client, char* cmd,
char* param)char* param)
int countSegments(char* str)int countSegments(char* str)
void loop()void loop()

9. Testing CodeTesting Code

10. Uploading CodeUploading Code

11. Monitoring ExecutionMonitoring Execution

12. FutureFuture
RS232 Interface / Telnet ServerRS232 Interface / Telnet Server

13. FutureFuture
Temperature monitoringTemperature monitoring

14. Combined Relay/TempCombined Relay/Temp

15. Questions and AnswersQuestions and Answers
michael@michaelboman.orgmichael@michaelboman.org
@mboman@mboman