Hi, this is Wayne again with a topic “9 Volt Battery Clip Switch”.
Nine volt batteries make great power supplies for homemade circuits and plenty of other maker projects, but disconnecting the battery when it’s not in use is rarely convenient. This quick hack lets you build a tiny slide, switch into a battery clip minimizing space and maximizing function. We’Ll start by taking apart a dead 9-volt battery, so we can use its terminals for a battery. Clip use the tip of your pliers to grab the metal casing of the battery at the seam squeeze hard and peel the casing away to expose the individual cells inside pull away the tab at the end of the battery with the two snap terminals, it should be Connected to the cells by a pair of riveted metal, strips cut these with your scissors, leaving as much of each strip attached to the snap terminals, as you can discard everything, but the end of the battery with the snap terminals and their attached metal strips rotate.
The battery terminals in the panel so that they point towards each other, then drill a 1 8 inch strain relief hole as shown cut and strip both ends of two six inch, lengths of wire one red and one black twist and tin. All four stripped ends solder. One end of the red wire to the switch center pin and one end of the black wire to either of the outside pins insulate. The center pin and solder joint with a short length of heat shrink tubing, tie a strain relief knot in the two wires. As close to the pins as possible route, the switch wires through the strain relief hole, starting from the side with the metal strips align, the switch body with the long edge of the terminal tab opposite the hole and glue it into place.
The switch lever should protrude past the edge of the terminal tab solder. The two outer switch pins to the metal terminal strips verify that the circuit across the end of the leads closes with the switch in one position and opens with it. In the other then fold the metal strips over to cover the solder joints cut a one inch length of 12 to 14 millimeter heat shrink tubing, then slice a quarter inch slit in the middle of one edge thread the wires from the switch into one end of The tubing and out the slit from the inside continue sliding the battery tab into the open end of the tubing and work it over the entire assembly, with the wires poking out of the side, apply heat to shrink. The tubing then use a hobby knife to cut openings for the switch lever and the battery snaps attach the clip to a nine volt battery and use your volt meter to verify that the ends of the leads reach 7 to 10 volts with the switch in one Position and 0 volts with it in the other.
Now you have a super handy 9 volt battery clip with an inline switch. The tinned ends of your wires should make the clip ideal for both perf board and breadboard circuits share your favorite 9-volt battery hacks. In the comments below or hit subscribe for, more make projects, thanks for watching you .