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2 layers40.5 × 37.5 mmUART TTL Flipper Zero, the printed circuit board in 3D

TTL to RS232 Serial Adapter for the Flipper Zero

Size
40.5 × 37.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
7
Nets
25
Pads
45
Tracks, vias
34, 4
Pours
1
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
9 Jul 2024
Updated
9 Jul 2024

Overview

UART TTL Flipper Zero is an open-source printed circuit board by Bemmy-projects, from the Bemmy-projects/UART-TTL-Flipper_Zero repository on GitHub. It is a 2-layer board of 40.5 × 37.5 mm with 7 parts on 25 nets, routed with 34 tracks and 4 vias.

It is built around the MAX3232ID. Its parts include 4 capacitors, 2 connectors and 1 IC. It belongs with the interfaces and adapters boards of this library.

Main components

1

README

README.md

UART-TTL-Flipper_Zero

TTL to RS232 Serial Adapter for the Flipper Zero

CC BY-NC-SA 4.0 Free for non-commercial use. No warranties or support, express or implicit, are provided. Use as is.

This is a simple UART TTL to RS232 Serial Adapter based on the MAX2323 chip for the Flipper Zero. All necessary files are provided. After building; the standard values in the Flipper UART Adapter are sufficient for use.

BOM: 1 MAX3232CSE+ 5 0.1uF capacitors 0805 1 90deg 1x10 pin strip, 2.54mm pitch 1 D-SUB 9 Connector, 7.70mm offset

Parts

7
QtyValueFootprintReferences
4.1uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1, C2, C3, C4
1DE9_Receptacle_MountingHolesConnector_Dsub:DSUB-9_Female_Horizontal_P2.77x2.84mm_EdgePinOffset7.70mm_Housed_MountingHolesOffset9.12mmJ2
1FlipperConConnector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_VerticalJ1
1MAX3232MAX327CSE:SOIC127P600X175-16NU1

Questions

How big is the UART TTL Flipper Zero PCB?

It measures 40.5 × 37.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the UART TTL Flipper Zero use?

7 parts, built around the MAX3232ID. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the UART TTL Flipper Zero KiCad files?

From the Bemmy-projects/UART-TTL-Flipper_Zero repository on GitHub, at the commit this page was made from: the board is UART-TTL-Flipper_Zero.kicad_pcb and its schematic UART-TTL-Flipper_Zero.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the UART TTL Flipper Zero design in my own project?

Its repository states no licence, so its author keeps all rights: ask Bemmy-projects before reusing the design.

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