Tell us about yourself!
How about a flattened cup to fit over the ends of the two spring arms when they are brought together to hold the bottle in place? This 'cup' would have a string attached to it, so that the 'launch officer' could stand back out of the water blast area while pulling the string, releasing the spring arms and sending the bottle rocket skyward.
You only use 1/4 of one bell pepper, or 1/4 cup of bell pepper?
Tools and Materials for PVC
Cutting and Making Holes
I am just starting to learn RFID - specifically using the MFRC522 and 13.56MHz tags. I have a question - is it possible to read a certain block only? The reason I ask is this - I am trying to make a game involving around 8 pieces, with each having an RFID tag embedded in it. I will be making several duplicates of each piece in case they are stolen or dropped and broken. If I could read a specific block, then I could write the playing piece number to that block in each of the duplicates, and have the Arduino read that specific block to confirm which playing piece has been positioned. Is this possible? This way I would only need to keep a list of 8 piece numbers, not 32 numbers (if I made 3 duplicates of each of the original pieces).