| These will help you through building your very own variable volt box mod. Tools needed will be a soldering iron, solder, wire strippers / cutters, needle nose pliers, hot glue gun or equivalent and a variable volt box mod kit. Click on any picture to see a larger view. Click here for a link for the wiring schematic. |
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Trim the channel out that held the battery contact so that the hole is free from obstruction where the potentiometer will go. |
| We have made a custom spacer that is used to hold up the circuit board. (shown on the right). Glue the spacer into place in the same orientation shown to the right with a hot glue gun. Then put the switch into place and glue it down by draping hot glue between the contacts from one side to the other. Let the glue sit for a few minutes to set. |
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Solder the potentiometer (A), the 2 10k ohm resistors (B) and (C), and the voltage regulator (D) to the circuit board as shown. Please note the orientation of the MadVapes name on the board. The regulator chip sits on pads. To solder this, tin the pads by heating some solder to the pads. Then place the chip on top and touch the soldering iron to each pin and this will heat each pin and the solder under it to attach the chip to the board. Snip off any excess metal from any of the components on the bottom. Hint: The soldering is done on the bottom of the board for the pot and resistors. |
| Use pieces of the excess wire from the battery contact and black wire and solder them to the 510 connector. The red wire connects to the center pin and the black wire is connected to the side of the connector. |
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Insert the battery contact with the red wire attached into the channel at the bottom of the center battery channel as shown and trim the wire to the same length as the black wire at that end of the box. Then insert the 510 connector into the box and trim the wires to the length shown. It should be just passed the battery contact you just inserted into the box. |
| Solder two pieces of red wire into the circuit board. They should be long enough to reach the switch once the board is placed into the box. Refer to step 11 to see how the board will be oriented in the box. |
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Place a bead of solder on the battery contacts opposite the springs. This helps ensure the battery makes a good connection. Strip the wires at the bottom of the box. |
| Solder the red and black wires from the bottom of the box (the side away from the 510 connector) to the circuit board as shown. The soldering is always done from the bottom of the board. |
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Attach the wires from the 510 connector to the circuit board as shown. There is an exploded view of the circuit board in the lower right of the picture to the left. |
| Solder the two red wires to the two contacts on the switch. Then trim off the excess wires from the switch. The soldering point should be as close to the switch as possible. At this point you should insert some batteries and test the unit. If everything is working move on to the next step. |
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Put hot glue over all of the connections, switch, under the circuit board etc. to insulate the electrical connections and hold the electronics and wiring in place. |
| Happy Vaping! |
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