Here is an overview of parts included in the kit (note the CR2032 coin cell battery is not included). You'll need to get one separately.
- 1 red flashing LED
- 1 CR2032 SMD battery holder
- 1 slide switch
- 1 PCB
Breaking apart the PCB and remove the rough "mouse bites" on the boards with pliers. Start by soldering the battery holder. Take note of the chamfered corner on the battery holder, this should point towards the tail.
Solder it by first applying solder on one pad, then heat up this pad and move the component in place. Let the solder joint cool down and solder the other connection.
Next up, mount the slide switch which will allow you to turn on the LED. Put it in the designated spot, flip the board over and solder the 5 solder joints.
The time has come to mount the LED on the nose. The LED has one long lead (The Anode or "+") and one short lead (the cathode or "-"). Make sure to slide the long lead through the hole marked by the "+". Before soldering the LED, make sure to bend the LED. You can bend the LED a bit forward, or keep it in the general direction of the head face angled down, like a nose.
Once both pins are soldered, you can clip the legs with a flush cutter. Hold the leads when cutting to prevent them flying away. Preferably you should wear eye protection during this step.
You should use eye protection when cutting parts to avoid injury.
For the legs, you can either opt to glue them in place with some hot glue, or solder them in place. On the example here I've opted to solder them in place. Don't be stingy with the solder on these joints! Due to the placement of solder pads, you cannot fit the legs on the wrong side.
Similar to the legs, you can choose to either glue or solder the antlers in place. The example here shows the antler soldered down on both sides.
Some caution is required when mounting the battery. Slide it underneath the hooks on the back side with the "+" side facing up before pressing down.
Page last edited November 24, 2025
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