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SparkFun

SparkFun sell the bits and pieces to make your electronics projects possible. No matter what your vision is, their products and resources are designed to make the world of electronics more accessible to the average person.

SparkFun

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57% off!

Dot/Bar Display Driver - LM3914 (Linear)   COM-12694

This is the LM3914 Dot/Bar display analog-controlled LED driver that uses an alinear output scale. With this driver all it takes is a single, analog signal to drive a string of 10+ LEDs, which can be configured into either bar mode (where all LEDs below a certain point turn on) or dot mode (with only a single LED on at a time). Hook them up properly, and you can create all sorts of nifty multi-LED displays.

£1.50 was £3.50

Discontinued!

Mini Speaker - PC Mount 12mm 2.048kHz   COM-07950

This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces.

£1.50

19 in stock

Thermistor 10K   SEN-00250

10K thermistor with a negative temperature coefficient. Good choice for temp-sensing applications.

£1

In stock

Light to Frequency Converter - TSL235R   SEN-09768

The TSL235R light-to-frequency converter outputs a square wave (50% duty cycle) with frequency directly proportional to light intensity (irradiance). The device has been temperature compensated for the ultraviolet-to-visible light range of 320 nm to 700 nm and responds over the light range of 320 nm to 1050 nm.

£3.50

20 in stock
57% off!

Dot/Bar Display Driver - LM3916 (VU Taper)   COM-12695

This is the LM3916 Dot/Bar display analog-controlled LED driver that uses a more logarithmic/VU scale, which makes it well-suited to audio applications like VU meters.

£1.50 was £3.50

Discontinued!

Piezo Vibration Sensor - Large with Mass   SEN-09197

This basic piezo sensor from Measurement Specialties is often used for flex, touch, vibration and shock measurements. A small AC and large voltage (up to +/-90V) is created when the film moves back and forth. A simple resistor should get the voltage down to ADC levels. Can also be used for impact sensing or a flexible switch.

£4

2 left

Mini Photocell   SEN-09088

This is a very small light sensor. A photocell changes (also called a photodetector, photo resistor, CdS or photoconductive cell) resistance depending on the amount of light it is exposed to. These little sensors make great ambient light triggers (when light in the room turns on, do something).

£1.50

In stock

TRIAC   COM-09234

This is a sensitive gate TRIAC (also known as a thyristor) with a 200V blocking voltage in a bread board friendly TO-92 package. Use a triac to control an AC load (like EL wire, small incandescent lamps, etc) from a DC source (like the GPIO on a microcontroller).

£1

3 left

Transistor - NPN (BC547)   COM-08928

These are high quality BJT NPN transistors that work well with audio applications, made by ST Micro.

£1

48 in stock

Slide Potentiometer Knob   COM-09120

This is the knob that connects to the linear slide potentiometer. Knob has a nice friction fit onto slide.

£1.50

4 left