Easy to make LED collar for you and your pets.
Step 1: Materials
1.Rainbow Flashing 5mm or 10 mm LEDs
2. Dog collar (for you and or your dog ) Or Rubber band collar for cat
3.silver AWG #24 single core wire ( making loop for 3v battery holder ) , or you can use LED leg
4. Stainless Thin Conductive Thread + needle, but you can use silver AWG #24 multi core wire
5. 3v Battery holder
Step 2: Prepare LED for Sewing
Bend and make a loop for each leg.
Step 3: Prepare Battery Holder for Sewing
Bend it legs flat and solder it with the the wire loop
Step 4: Start Sewing
Place LEDs and Sew all parts on the collar , i start sewing it at each position first, then connect them later.
And please keep the LED polarity on the same side.
Step 5: Finish
Put the 3v battery in the battery holder, then you get the LED Collar to wear it yourself or put it on your pet.