Jens Nickel
About the article

Android User Interface Builder

Explore the FT311D Android Bridge

Android User Interface Builder
The FTDI FT311D is a flexible bridge that can interface your circuit to an Android smartphone or tablet. It offers options for seven digital outputs, four PWM outputs, asynchronous serial and I2C and SPI interfaces. To make things simple we have designed a small board to carry the chip: introducing the ‘Elektor Android breakout board’.
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor GREEN and GOLD members can exclusively download these files for free as part of their membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service.

Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Download the BOM list
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component list
Component List
R1,R2 = 27Ohm, 0.1W, 1%, 0603
R3,R4 = 10kOhm, 0.1W, 1%, 0603
R5 = 620Ohm, 0.1W, 1%, 0603
R6 = 1kOhm, 0.1W, 5%, 0603
C1,C2 = 47pF, 50V, 5%, C0G/NP0 0603
C3,C6–C9,C11,C13 = 100nF, 25V, 10%, X7R 0603
C4,C5 = 27pF, 50V
C10 = 4.7µF, 6.3V, 10%, X5R 0603
C12 = 10µF, 10V, 20%, X5R 0603
L1 = 600Ohm @100MHz, 0.38Ohm/0.5A, 0603, Murata BLM18AG601SN1D
D1 = PRTR5V0U2X TVS diode
LED1,LED2 = LED, 0805
IC1 = FT311D-32L1C-R
K1 = USB-A socket, PCB mount
K2 = 10-pin pinheader, 0.1” pitch; round pins for plugging onto a breadboard (e.g. Harwin D01-9923246)
K3 = Micro-USB-B socket, SMD
JP1 = 6-pin (3x2) pinheader, 0.1” pitch, incl. 3 jumpers
X1 = 12MHz quartz crystal, 20ppm, 18pF, 5x3.2mm
PCB # 130516-1 v1.1
Elektor Android Breakout Board, ready assembled and tested, Elektor Store # 130516-91

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