Raspberry PI Electronics -projekter til det onde geni indeholder ti sjove DIY -projekter

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techbrands buzzer la5193 9cm Raspberry PI Electronics -projekter tilThis neat and compact buzzer can be mounted anywhere and is recommended as an addition to our 'Door Security Beam with Reflector' (LA 5193) as an extension alarm. The volume of the buzzer is adjustable and the sound output can be selected by a slide switch to either: Alarm, Off or Chime. The sounding time can also be adjusted from 3 to 30 seconds. Supplied with mounting hardware and a 10m lead and an adjustment screwdriver. Features: Ambient Temp 20