Kits include tin-lead plated and solder masked circuit board (4" X 2-3/4"), wall mount transformer and all electronic components.

9771-15 Regulated Dual DC Power Supply Kit

Positive and Negative Fifteen Volts DC at up to 600mA each supply.

9771-15 Regulated Dual DC Power Supply Kit

Positive and Negative Fifteen Volts DC at up to 600mA each supply.

Less US-type 120VAC to 16.5VAC transformer.

K100 Stereo Preamplifier Tone Control Unit - An easy-to-build preamplifier with tone control, using an all-in-one IC "FALL SALE!"

This kit provides both eight relay outputs and also four optoisolated digital inputs. "FALL SALE!" 

     Out of Stock

This circuit controls the intensity of a light (incandescent bulb only, 200W max, not included) in response to the level of the audio input. "FALL SALE!"

This kit uses a touch plate to control the operation of a 555 timer and a 250V/12A relay "FALL SALE!"

This kit contains a xenon flashtube as found on aircraft, camera flash units, signal beacons and disco lights. "FALL SALE!"

Multi-mode timer kit using an embedded microcontroller. The timer controls a 12V relay with 120V/10A contacts. "FALL SALE!"

This kit allows a DC motor to be speed-controlled in both forward and reverse. "FALL SALE!"

4 Channel relay with reset on each channel. "FALL SALE!"

     Out of Stock

A logic probe can be really useful for testing digital equipment, especially for debugging microcontroller circuits. "FALL SALE!"

This 1W mono amplifier module operates over a wide range of voltages (3VDC to 15VDC: supply not included). "FALL SALE!"

This is a more powerful FM 'bug' (monaural microphone included) than K7 or K18. "FALL SALE!"

Matched 40 kHz transmitter/receiver pair of transducers detects movement at over 7 meters.

This is another "building block" convenience kit, provided for when you need a linear regulator but don't want to wire one up discretely. "FALL SALE!"

This is a basic adjustable-voltage power supply using the popular three pin regulator, LM317T. "FALL SALE!"

     Out of Stock

This is a very powerful 'bug' for its size, 3V supply and number of components. 

Yet another "building block" convenience kit, provided for when you need positive and negative linear regulated DC power but don't want to wire up your own supply. "FALL SALE!"

We've taken this "building block" convenience kit and provided the regulators you'll need to make a +5/-5V supply. "FALL SALE!"

This kit provides a simple, low cost stereo VU meter. "FALL SALE!"

A very simple 2 Watt mono audio amplifier using the LM380. "FALL SALE!"

General-purpose discrete mono preamplifier. 40dB fixed gain. "FALL SALE!"

BEST DEAL! Comprehensive MIDI system - MIDI2CV8 MIDI to CV converter, 9710 VCA, 9720 VCO , 9730 VCF, FracRak Case and patch cord set. 

BEST DEAL! Comprehensive MIDI system - MIDI2CV8 MIDI to CV converter, 9710 VCA, 9720 VCO , 9730 VCF, FracRak Case and patch cord set.

     Less US-type 120VAC to 12VAC/1A wall-mounted transformer.

Set of 22 original back-issues, Polyphony/Electronic Musician.

r0116130004, service fee

The ultimate starter tool kit because it has absolutely everything you need to build electronic projects.

The ultimate starter tool kit because it has absolutely everything you need to build electronic projects. (International Version)

Kit includes electronic parts, two reverb tanks, circuit board, 1/4" Phone Jacks and manual.

The Tube Microphone Pre-amp uses the same warm tube tricks as the TubeHead.

     Less US-type 120VAC to 12VAC/500mA wall-mounted transformer.

The Theremax Theremin electronic kit (9505k) + full wooden lectern case with front panel and antenna mounting hardware (9505C).