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Row driver

CarlRaymond·AnnaxFlipdotDriver·kicad/row_board/row_driver.kicad_pcb

Row driver PCB layout, top view — open source AVR/Arduino board by CarlRaymond
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About the Row driver PCB

Row driver is an open source AVR/Arduino PCB design by CarlRaymond, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 80 components from 30 distinct parts.

Its main chip is the ArduinoNanoR3, from the AVR/Arduino family. Other key parts include the TPIC6B595, TBD62783, WE-FDSM_DC/DC_5V, 4N25 and WeMos_mini. By type, the board carries 29 diodes, 24 resistors, 11 ICs, 7 connectors, 6 capacitors and 2 transistors.

It belongs with the displays & leds designs in this gallery.

From the project

KiCad project for drivers for Annax flip-dot display panels

This is a driver for Annax flipdot display panels, with an Arduino nano or ESP8266 (Wemos D1 Mini) controller.

The controller consists of a row driver PC board, which contains the microcontroller, and a column driver PC board. A span of panels can be any length. One row driver daisy chains to all the panels, and each panel has its own column driver. The row and column driver boards are connected together with a serial interface.

Row driver, from the project README
From the project README

Main components on the Row driver

TPIC6B595TBD62783WE-FDSM_DC/DC_5V4N25ArduinoNanoR3WeMos_miniTXB0108-PWR

Row driver bill of materials (BOM)

80 components, 30 distinct parts.

QtyPartRefs
4
TPIC6B595
U1, U2, U4, U5
2
TBD62783
U3, U6
1
WE-FDSM_DC/DC_5V
U7
1
4N25
U8
1
ArduinoNanoR3
U11
1
WeMos_mini
U12
1
TXB0108-PWR
U13
1
2N3904
Q1
1
FQP47P06
Q2
1
Panel row connector (female)
J1
1
Row daisy chain connector (male)
J2
1
Conn_01x04
J3
1
Column Board Connector
J4
1
Barrel_Jack
J6
1
Controller A
J7
1
Controller B
J8
1
Jumper
JP1
8
BAV70W
D9, D10, D11, D12, D13, D14, D15, D16
2
1N4148
D17, D19
2
LED
D18, D21
Show 10 more
QtyPartRefs
1
1N4742
D20
16
BAS16GW
D101, D102, D103, D104, D105, D106, D107, D108 +8
6
.1uF
C1, C2, C3, C4, C5, C6
17
10K
R1, R2, R3, R4, R5, R6, R7, R8 +9
1
2K7
R22
1
1K
R23
1
2K2
R24
2
470
R28, R31
1
2K7
R29
1
2K7
R30

Row driver design files

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

Row driver: common questions

What microcontroller does the Row driver use?

The Row driver is built around the ArduinoNanoR3, from the AVR/Arduino family.

How big is the Row driver PCB?

The Row driver measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Row driver?

80 components, from 30 distinct parts. The full bill of materials is listed on this page.

Where can I download the Row driver design files?

From the CarlRaymond/AnnaxFlipdotDriver repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Row driver design in my own project?

The repository has no license, so all rights stay with CarlRaymond. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Row driver 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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