micro:bit Transistor $3.95 $8.50 A transistor that will allow other items to be switched where the micro:bit would not be able to. Items such as motors, larger speakers, relays and so forth, up to 1A total load. A current limiting... Add to Cart
micro:bit Buzzer $5.95 $7.50 A simple buzzer with transistor that can be powered by the micro:bit. Costs more than a headphone adapter but far less than the mini-speaker - its best use is to act as an sounder for an alarm... Add to Cart
micro:bit Passive Infrared Movement Detector $8.95 $10.95 A small version of the PIR that is used in a typical burglar alarm. It triggers when a warm body passes in front of the detector. It has some range / sensitivity setting capability and the duration... Add to Cart
micro:bit Sound Level Detector $8.45 $9.50 A small microphone with amplifier & threshold setting. It can detect when sound reaches a certain level. It can not detect a particular frequency and there is no support in the... Add to Cart
micro:bit Piezo Buzzer $3.95 $5.95 A type of buzzer - it has to be driven by a pulsed output. It's tuned for around 2kHz when it will be at its loudest but will produce a tone across a wide range of frequencies. In the Block Editor,... Add to Cart
micro:bit Microswitch $3.95 $4.95 Good for detecting boxes, drawers or doors being opened and much more. The black lead goes on GND, the red lead goes on 3v and the other lead goes on 0, 1, or 2. This item is... Add to Cart
micro:bit LDR Light Sensor $4.95 $7.25 An external light sensor for all your light sensing needs. The black lead goes on GND, the red lead goes on 3v and the other lead goes on 0, 1, or 2.This item is polarity sensitive, the... Add to Cart
micro:bit Pushbutton $3.95 $4.95 A pushbutton on a lead for when you need another pushbutton or you want it away from your micro:bit One lead goes on 3v or GND and the other lead goes on 0, 1, or 2. For advanced... Add to Cart
micro:bit Potentiometer $5.95 $7.95 Provides a variable voltage to an analog input via a twist knob - a volume control if you will. Can be used for any application where a user input across an analog range is required - for instance... Add to Cart