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NQSAP Loader / Debugger and Clock

TomNisbet·nqsap-pcb·NQSAP PCB schematics/loader/loader.kicad_pcb

NQSAP Loader / Debugger and Clock PCB layout, top view — open source AVR/Arduino board by TomNisbet
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About the NQSAP Loader / Debugger and Clock PCB

NQSAP Loader / Debugger and Clock is an open source AVR/Arduino PCB design by TomNisbet, published on GitHub under the MIT license. It is a 2-layer board measuring 102 × 96 mm, with 42 components from 26 distinct parts.

Its main chip is the Arduino Nano, from the AVR/Arduino family. Other key parts include the 74HCT595, 74HCT27, 74HCT04, 74HCT08 and NE556. By type, the board carries 11 capacitors, 10 resistors, 7 ICs, 5 connectors, 4 diodes and 3 switches.

It belongs with the dev boards & breakouts and usb & debug tools designs in this gallery.

From the project

NQSAP 8-bit computer PCB version

A multi-PCB version of the NQSAP 8-bit computer

Visit the NQSAP-PCB documentation pages for detailed design notes and schematics.

NQSAP Loader / Debugger and Clock, from the project README
From the project README

Main components on the NQSAP Loader / Debugger and Clock

74HCT59574HCT2774HCT0474HCT08NE556Arduino Nano

NQSAP Loader / Debugger and Clock bill of materials (BOM)

42 components, 26 distinct parts.

QtyPartRefs
3
74HCT595
U1, U2, U3
1
74HCT27
U4
1
74HCT04
U5
1
74HCT08
U6
1
NE556
U7
1
Arduino Nano
A1
2
Bus
J1, J2
1
POWER IN
J3
1
CLK Select
J4
1
IB-TR
J5
1
1M
RV1
1
RESET
SW1
1
PULSE
SW2
1
RUN
SW3
1
1N5818
D1
1
LDR Active
D2
1
CLOCK
D3
1
STOP
D4
8
0.1uF
C1, C2, C3, C4, C5, C6, C7, C12
2
0.01uF
C9, C11
Show 6 more
QtyPartRefs
1
2.2uF
C10
2
R-BLUE
R1, R9
1
10K
R2
5
1K
R3, R4, R5, R7, R8
1
1M
R6
1
R-RED
R10

NQSAP Loader / Debugger and Clock design files

The KiCad project lives in the TomNisbet/nqsap-pcb repository on GitHub; these links point at the commit this page was built from.

NQSAP Loader / Debugger and Clock: common questions

What microcontroller does the NQSAP Loader / Debugger and Clock use?

The NQSAP Loader / Debugger and Clock is built around the Arduino Nano, from the AVR/Arduino family.

How big is the NQSAP Loader / Debugger and Clock PCB?

The NQSAP Loader / Debugger and Clock measures 102 × 96 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the NQSAP Loader / Debugger and Clock?

42 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the NQSAP Loader / Debugger and Clock design files?

From the TomNisbet/nqsap-pcb repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the NQSAP Loader / Debugger and Clock design in my own project?

Yes, under the terms of its MIT license, which TomNisbet chose for the repository.

Can I test firmware for the NQSAP Loader / Debugger and Clock without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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