Required Parts for a USB7

You'll need all of the following parts. If you've purchased a kit, please verify its contents against this list. If you're sourcing your own compoents, this list includes supplier information.

This is the Version 3 parts list, there is also a version 1 and 2 list.

Description Qty Supplier

The USB7 PCB. This is the backbone of your USB7.

There are two different USB7 PCBs, one with mounting holes and one without. You will need one or the other.

1 Fundamental Logic

An Atmega48. The Atmega48 is the brains of your kit. The Atmega48 sold in the kit is pre-programmed with the latest firmware. 1 Mouser 556-ATMEGA48-20PU

28 pin 0.300 DIP socket.   Futurlec ICS28N
0.56" Dual 7 Segment LED Display. The kit includes your choice of several colours; even more colours are available directly though. 3 Mouser 630-HDSP-521G

2N3906 PNP Transistor These transistors are used to rapidly illuminate each digit in sequence. 6 Fundamental Logic

3.3v Zener Diodes. These keep the USB data lines within specifications even while running the USB7 at 5 volts. 2 Mouser 512-BZX79C3V3_T50R

Right Angle USB B Connector. 1 Mouser 737-USB-B-S-RA

2x3 pin Header. 1 Various

1.5KΩ Resistor. 1 Various

1KΩ Resistor. 6 Various

10KΩ Resistor. 1 Various

68Ω Resistor. 2 Various

82Ω Resistor. 8 Various

12MHz Ceramic Resonator. This is a 3-pin resonator with integrated capacitors. 1 Mouser 815-AWCR-12.00MD