You have no idea how much money you will save when you discover this useful trick

The second trick to make the remote control work: very little is needed
The next solution is to take a pencil, insert it into the compartment where one of the two batteries is missing and use another pencil to make the required measurement.

With a cutter, we can cut out the part of the pencil that interests us by editing it correctly in a regular pencil sharpener. In this way, the piece of pencil that we received will have two ends with the lead.