• Date JoinedOct 5, 2005
  • Total Views176,421
  • Featured %50%


i would be glad if you added your battery free torch to my group USB Power
rimar20006 years ago
trialex (author) 7 years ago
#include <Wire.h>// TWI (I2C) sketch to communicate with the DS1307 Real Time Clockvoid setup(){ Wire.begin(); // join i2c bus (address optional for master) Serial.begin(9600); // program the time & enable clock  (each hex digit corresponds to one clock digit) Wire.beginTransmission(0x68); Wire.send(0); Wire.send(0x00);          //seconds Wire.send(0x30);          //minutes Wire.send(0x80 | 0x21);    //hours (24hr time) Wire.endTransmission();}void loop(){ Wire.beginTransmission(0x68); Wire.send(0); Wire.endTransmission(); Wire.requestFrom(0x68, 3); byte secs = Wire.receive(); byte mins = Wire.receive(); byte hrs = Wire.receive();  Serial.print(hrs,HEX);     Serial.print(":"); Serial.print(mins,HEX); Serial.print(":"); Serial.println(secs,HEX); delay(1000);    //wait a second before next output} 
trialex (author) 7 years ago
trialex (author) 7 years ago
ewilhelm7 years ago
I know you've been around for a while, but I realized I never said hello. Thanks for sharing your projects, and welcome to Instructables! Let me know if you have any questions.
Try using the an igniter fron an old RV refrigerator. The length of the wire to the electrode is not important, but, check the resistance in the wire you use as it will affect your spark at the end.

Get More Out of Instructables

Already have an Account?


PDF Downloads
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.

Upgrade to Pro today!