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Kemo B015 5W Fog Horn Kit is an electronic project kit producing a fog horn circuit. The electronic kit produces a deep sound similar to a foghorn. Requires a loudspeaker rated at around 5W which is not included.Soldering is requiredOperating Voltage : 4.5V -12VFrequency of tone: AdjustableLoudspeak..

An electronic project kit to build a circuit that when installed into a hemispherical reflector (e.g. a plastic ball divided in halves) this highly sensitive microphone is able to record noises and speech from a distance of several hundred meters. Ideal for observing animals, for detective..

Electronic Project Kit to make an FM radio. The integrated audio amplifiers can drive an 8 ohm loudspeaker > 1 W. Pre-assembled SMD IC's and pre-wound coils simplify assembly. The kit can be powered by a 9 V battery.Requires SolderingA 8 Ohm speaker is required, see our shop for great deals ..

An electronic project kit to build a circuit that can be used as a universal amplifier for audio. The amplifier is rated at 1W with a maximum of 2W peak. Its small size means it can be integrated into many projects even when space is tight.Requires SolderingOperating Voltage 6-9V1W Output (2..

An LED lights up if a body approaches the ultrasonic sensors at a distance of 10 - 80 cm (depending on the size of the body). Use: parking assistance for cars in garages, alarm signal for persons or animals staying in a certain area. Operating voltage: 9 - 12 V/DC. The device works accordi..