USB-Octomod Interface
The USB-Octomod is a USB device which allows generation of computer-controlled analog synthesizer control voltages in the range of approximately +/- 5V. USing a small open-source and cross-platform host application, the USer is able to control the 8 output channels of the Octomod through a simple OSC/MIDI interface. The OSC interface allows composers, mUSicians, etc. to control the Octomod from their software environment of choice.
This is most commonly used entry level Digital Multimeter. It has overload protection and low battery indicator. The multimeter runs on the standard 9V battery which could be easily replaced by removing the screws at the back.
In this video you will learn how to control a 28BYJ-48 stepper motor using a ULN2003 driver board and an Arduino UNO. The video covers the basics of stepper motors, including their different operating modes (full step, half step), and the ULN2003 driver board. It also includes a step-by-step guide on how to connect the motor with Arduino and code to control the motor.
First, if you don't kown what is ADK(Android Open Accessory Development Kit), please find the answer here. From now on, we provided to you Freaduino ADK (A new board has just been made by us this week, which is a Android Open Accessory Development Kit compatible board, but not a simple clone of it.)