Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

Wire up your microcontroller to power and ground according to its circuit diagram. To the circuit you’ll now add the MIDI circuit. For this you’ll need the 2N2222 transistor.

The TMPM380 MCU was specifically designed for the digital control of high-current circuits commonly found in industrial or appliance applications. Powered by a 40 MHz ARM® Cortex™-M3 processor core ...