HardLabs

Memtype

jim17·memtype·schematic_pcb/electronic_design_kicad/electronic_design_kicad.kicad_pcb

Memtype PCB layout, top view — open source AVR/Arduino board by jim17
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About the Memtype PCB

Memtype is an open source AVR/Arduino PCB design by jim17, published on GitHub under the CC-BY-4.0 license. It is a 2-layer board measuring 25.5 × 14.5 mm, with 18 components from 12 distinct parts.

Its main chip is the ATTINY85-S, from the AVR/Arduino family. By type, the board carries 11 resistors, 2 connectors, 2 diodes, 2 capacitors and 1 IC.

From the project

Memtype -- Open Hardware Password & Data Manager

Main components on the Memtype

ATTINY85-S

Memtype bill of materials (BOM)

18 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATTINY85-S
IC1
1
534-932
USB_A
P1
1
CONN_6
P2
1
3V6
D1
1
Q976-NR-1
LED RED
D3
1
100N
100n
C1
1
4N7
4n7
C2
1
1K5
1k5
R1
2
68R
R2, R3
5
1k
R4, R6, R7, R8, R12
2
560K
560k
R5, R9
1
220R
R11

Memtype design files

The KiCad project lives in the jim17/memtype repository on GitHub; these links point at the commit this page was built from.

Memtype: common questions

What microcontroller does the Memtype use?

The Memtype is built around the ATTINY85-S, from the AVR/Arduino family.

How big is the Memtype PCB?

The Memtype measures 25.5 × 14.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Memtype?

18 components, from 12 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Memtype design files?

From the jim17/memtype repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Memtype design in my own project?

Yes, under the terms of its CC-BY-4.0 license, which jim17 chose for the repository.

Can I test firmware for the Memtype 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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