Hot-melt adhesive (HMA), also known as hot glue, is a form of thermoplastic adhesive that is commonly sold as solid cylindrical sticks of various diameters designed to be applied using a hot glue gun.
Hot-melt adhesive (HMA), also known as hot glue, is a form of thermoplastic adhesive that is commonly sold as solid cylindrical sticks of various diameters designed to be applied using a hot glue gun.
A buzzer or beeper is an audio signalling device, which may be mechanical, electro-mechanical, or piezoelectric. Typical uses of buzzers and beepers include alarm devices, timers, train […]
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarisers. Liquid crystals […]
An infrared sensor (IR sensor) is a radiation-sensitive opto-electronic component with a spectral sensitivity in the infrared wavelength range 780 NM … 50 µm. IR sensors are now […]
A lithium battery is a type of rechargeable battery that is charged and discharged by lithium ions moving between the negative (anode) and positive (cathode) electrodes.
A direct current (DC) motor is a type of electric machine that converts electrical energy into mechanical energy. DC motors take electrical power through direct current, and […]
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