Hut Electronics - Products

Products

MIDI Decoder 128

This is a full 128 note MIDI decoder, professionally made printed circuit board. Capable of driving magnetically driven devices such as solenoids, electromagnets, motors and lights up to 35VDC/500mA per note. Perfect for connecting a MIDI source, such as a MIDI keyboard or PC to a real accoustical instrument fitted with electrical drivers. We use this decoder in our electrically driven pipe organ valves.

Other boards are limited to 64 notes. If you have been restricted by this limitation, this is the perfect MIDI decoder for you.

128 Note version shown.

Features

Full 128 note MIDI decoding. Supports a full standard 88-key piano range and more (can be populated for fewer notes if required).
MIDI IN / MIDI THRU.
Binary 4-bit, or BCD 5-bit MIDI channel select.
External or on-board channel/omni selection.
Switch selectable OMNI mode.
Built in 35V/500mA line drivers for each note.
Crystal controlled oscillator for precise data acquisition.
High speed (20Mhz) PIC microcontroller.
Optically isolated from MIDI IN source.
Power-on indicator LEDs.
Heartbeat LED.
On-board test diagnostics for testing your instrument.
Built and operates to MIDI specifications.

Includes

Printed circuit board, populated to either a 64, 88, 96 or 128 note configuration (see purchase options below).
MIDI IN, MIDI THRU DIN-5 connectors and board connectors.
DC power connectors.
Mounting hardware and screws.
Schematic and Instructions.

Requires (not included)

+5VDC power supply and cabling.
+35VDC or less output driver power supply and cabling.
External midi channel select switches (defaults to channel 1 if not connected).
External driver devices to operate your instrument.

Ordering

MIDI Decoder 128

Notes MIDI Range Price Each

64 40 .. 103 $ 185

88 21 .. 108 $ 200

96 16 .. 111 $ 205

128 0 .. 127 $ 225

MIDI Decoder 128
Notes	MIDI Range	Price Each
64	40 .. 103	$ 185
88	21 .. 108	$ 200
96	16 .. 111	$ 205
128	0 .. 127	$ 225

Please note: It is assumed that the user of this decoder is knowlegable in electronics, and is capable of connecting, and installing this decoder according to all safetly requirements and electrical codes. It is intended to be used as a component level device within a larger product, and not used as an individual component.

MIDI Detector

This useful device is used to show all channel activity on a MIDI cable. For each of the 16 MIDI channels, an individual LED blinks to show that channel is active. For setting up MIDI instruments, this device is a life saver for making sure cables are connected correctly! This is especially true if you might have some bad MIDI cables. Just plug it into your cable, and tell at a glance whether or not MIDI data is present. The MIDI Detector features a standard MIDI IN port connected directly to a MIDI THRU port. This allows you to monitor MIDI activity and still hook up your instruments normally. All data received at the MIDI IN port is transmitted unchanged to the MIDI THRU port with no propagation delay. The MIDI Detector is powered by an AC Adaptor or 9 volt battery.

Features

Full 16 MIDI channel monitoring, one LED per channel.
MIDI IN / MIDI THRU.
Powered by AC Adaptor or 9 volt battery.
Crystal controlled oscillator for precise data acquisition.
High speed (20Mhz) PIC microcontroller.
Optically isolated from MIDI IN source.
Power-on indicator LED.
Built and operates to MIDI specifications.

Includes

Printed circuit board, assembled.
MIDI IN, MIDI THRU DIN-5 connectors.
DC power connectors.
Schematic and User Manual.

Requires (not included)

9 volt standard AC Adaptor, or 9 volt battery.
MIDI cables.

Ordering

MIDI Detector $ 75

MIDI Detector	$ 75

Please note: It is assumed that the user of this device is knowlegable in electronics, and is capable of connecting, and installing this device according to all safetly requirements and electrical codes.