Delay and Relay Circuit
This ambit waits for a set time and again activates a relay.
With the cap that is in the schematic you will get about a 6 sec adjournment till ability on. You can change the cap in this ambit to 470uF for about a 20 sec delay.
Delay and Relay Part list
2 x resistor
3 x transistor
1 x diode
1 x capacitor
1 x relay
Misc some wire, a board, etc.