midi interface circuit | Next Electronics

Homemade Digital CALL-ID English Version

The reason for this project was to facilitate a quick installation for a local friend 10 km away, enabling the start of real-life testing to identify and resolve bugs and problems before releasing it to other users. The software is...

MIDI controlled switches

It can drive up to 128 individual relays, solenoids, motors, fireworks, pyrophones, etc. With a MIDI note-on message you may switch on one of the 128 LEDs (or relays). Outputs may be switched off by sending a note-off message, or...

Car Cigar Lighter to USB Power Socket

Currently, nearly all computer systems include logic blocks designed for interfacing with a USB port. In practical terms, a USB port can provide more than 100 mA of continuous electric current at 5V to the peripherals connected to the bus. The...

USB I2C Interface

This kit is based on an original design by Jan G0BBL and serves as a versatile replacement for the older "Rocky" serial interface kit. It includes control of the programmable oscillator on the V6, 3 RXTX (and the older, now...

Secure USB Time-Stamp for Data-Logging

This project implements a USB device that provides a real-time clock for time-stamping events in a non-networked embedded computer environment. For embedded applications requiring periodic time-stamping (such as entry-system logs and configuration audit logs), an accurate real-time clock is necessary,...

USB Microphone Line Level Preamp

The computer needs at least 180 millivolts peak-to-peak and the condenser microphone in my headset produces about 20 millivolts peak-to-peak into a 2.2k load with normal speech levels. There are USB ports on the machines, so I can use that...

knee audio pads circuit

A few nice MIDI controller interfaces were discovered. The Knee(Audio)Pads are a wearable MIDI device. The MIDI controller interfaces mentioned provide innovative solutions for music production and performance. The Knee(Audio)Pads, in particular, represent a unique advancement in wearable MIDI technology. These...

USB Host and Device

The DE2 board features both USB host and device interfaces utilizing the Philips ISP1362 single-chip USB controller. The host and device controllers adhere to the Universal Serial Bus Specification Revision 2.0, enabling data transfer at full-speed (12 Mbit/s) and low-speed...

sb2 midi

Instructions for constructing a MIDI interface that connects a Sound Blaster (SB), Sound Blaster Pro (SB Pro), or Sound Blaster 16 (SB16) sound card joystick port to a MIDI-capable musical instrument. To build a MIDI interface for connecting a Sound Blaster...