DLP-RFID2D USB Dongle. 1.0 INTRODUCTION. The DLP-RFID2 is a low-cost, compact module for reading from and writing to HF RFID transponder. tags via an internal or external antenna. It has the ability to both read and write data in addition to. reading the unique identifier (UID). All of the DLP-RFID2âs electronics reside on a single, compact. PCB, and all operational power is taken from one 3.0- to 5.0-volt supply. An external antenna can be. connected via a standard u.fl connector or IO pin/pads.
Quick Answer. Water molecules have covalent bonds. Each molecule consists of two hydrogen and oxygen covalent bonds. However, when water molecules are placed together, as they are normally, the hydrogen atoms in each molecule can form hydrogen bonds with the oxygen atom of other molecules. Continue Reading.
Hydrogen Bonding and Water. Hydrogen bonds account for some important qualities of water. Even though a hydrogen bond is only 5% as strong as a covalent bond, it's enough to stabilize water molecules. 1  Hydrogen bonding causes water to remain liquid over a wide temperature range. 2  Because it takes extra energy to break hydrogen bonds, water has an unusually high heat of vaporization. Water has a much higher boiling point than other hydrides. There are many important consequences of the effects of hydrogen bonding between water molecules: Hydrogen bonding makes ice less dense than liquid water, so ice floats on water.