😌 Learn How to Simplify Host Firmware Updates with the Notecard on February 2nd !

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Notecard Datasheet
Notecarrier DatasheetFunctional DescriptionPackage ConfigurationPower InformationGPS (GNSS) Antenna RequirementsHeader DescriptionsSpecificationsOrdering InformationDesign FilesTerms and ConditionsRevision HistoryContact Information
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Blues Wireless Notecarrier® Datasheet

Select Hardware
Notecarrier-ANotecarrier-AANotecarrier-AENotecarrier-AFNotecarrier-ALNotecarrier-B v1.0Notecarrier-B v2.1Notecarrier-FNotecarrier-Pi

Companion development boards for easy prototyping and deployment.

Notecarriers are available in several form-factors to facilitate rapid prototyping. Depending upon the variant, a Notecarrier may be designed with direct host integration, size optimization, integrated cellular/Wi-Fi and GNSS antennas, or even to be soldered directly into a solution for low-volume production.

Functional Description

Notecarriers are designed to bridge the gap between prototype and production for the Notecard. The Notecard is designed to be socketed directly onto the circuit board using an edge connector socket, along with a customer's MCU, sensors, and controls. While such a model provides a highly modular configuration for the final product, it can make prototyping unnecessarily difficult.

Notecarriers offer breakout connections for the Notecard, as well as circuitry to provide power management, protection and signal amplification.

Features

  • Simple. Provides breadboard compatible pins or solderable mask for direct connections.
  • Compatible. Level shifters ensure compatibility with 3.3V or 5V equipment.
  • Convenient. Powered by a micro-USB connector (requires 2A supply).
  • GPS Ready. Models are either active GPS compatible, or feature a built-in antenna to enable GNSS connectivity.

Package Configuration

Notecarrier-Pi (Raspberry Pi Hat)

Notecarrier-Pi (CARR-PI) is designed for drop-in development with a Raspberry Pi or compatible Single Board Computer. This Notecard must be powered by a Raspberry Pi or compatible SBC.

View in Store

Notecarrier-Pi (front) Notecarrier-Pi (back)

  • Pre-soldered stackable 40-pin header for plugging directly into a Raspberry Pi and stacking additional Pi hats.
  • Notecard edge connector socket and mounting screw receptacle .
  • Micro-USB port to power Notecarrier and provide a USB Serial command interface to Notecard.
  • External Nano-SIM slot for additional carrier connectivity.
  • 1 Grove I2C port for attaching external peripherals to your project.
  • DIP switches (shown below) to configure diagnostic serial port, attention pin, and active GPS support.
  • Requires user provided U.FL cellular/Wi-Fi antenna and optional U.FL active GPS antenna.
warning

Due to the power requirements of the Notecard, some Raspberry Pi 2 and 3 models include a current-limiting fuse that will power-cycle the device when the Notecard's modem is on and transmitting. To avoid these issues, we recommend using only Raspberry Pi 4 devices with the Notecard and Notecarrier Pi.

Power Information

The Micro-USB port on the Notecarrier-Pi is a data-only port and does not provide power to the Notecarrier. Make sure to power your project with a Raspberry Pi, or use an alternate power method, including:

  • attaching a LiPo battery.

    The LiPo battery must be a single-cell 3.7V battery with a 2-pin JST PH connector.

  • applying 2.5-5.5VDC to the V+ pin.

    Commonly provided via DC power supply or non-rechargeable battery.

warning

Typical USB ports may only be capable of supplying 500 mA of current, which might not be enough to power Notecard during a cellular connection.

GPS (GNSS) Antenna Requirements

All Notecarrier models are designed to support active GPS, and several Notecarrier models provide built-in antennas ready to be connected to a Cellular Notecard using the included U.FL cables.

Active GPS Ready

The Notecarrier-B and Notecarrier-Pi models do not have integrated GPS antennas, but support active GPS by providing circuitry to enable bias voltage to be supplied.

The Notecarrier is built to support either an active or passive GPS antenna, and has a DIP switch to enable you to select your configuration. The DIP switch connects the Notecard's VACT_GPS_OUT to VACT_GPS_IN to support active GPS antennas that accept voltages in the 3.3V-4V range*.

*VACT_GPS_OUT is only powered when the cellular modem is active.

Header Descriptions

Notecarrier-Pi 40-Pin Header

Notecarrier-Pi is configured as a Pi Hat. As such, the Notecarrier-Pi follows the standard 40-pin Raspberry Pi Model B+ layout.

note

The Raspberry Pi 40-pin GPIO connector used has 0.64mm square pins.

Pi 40-pin Header Pin Usage

Pin #Pin NameDedicatedDescription
13V3N3.3VDC power
25VN5VDC power
3SDANI2C data
45VN5VDC power
5SCLNI2C clock
6GNDNGround
8AUX_RXY/N (DIP)High-speed diagnostic interface
9GNDNGround
10AUX_TXY/N (DIP)High-speed diagnostic interface
14GNDNGround
20GNDNGround
25GNDNGround
30GNDNGround
31ATTNY/N (DIP)Configurable interrupt signal
34GNDNGround
39GNDNGround

DIP Switches

There are three DIP switches are located on the back side of the board. The switches are used to reserve exclusive access to the GPIO pins.

Notecarrier-Pi DIP switches

  1. ACTIVE GPS - When turned ON, applies 3.9VDC to the center conductor of the Notecard GPS antenna connector to power the low-noise amplifier (LNA) of an active GPS antenna. This switch must be OFF if Notecard is used with a passive GPS antenna! However, we recommend an active antenna for best performance.

  2. SERIAL TXRX - When turned ON, enables serial communication with Notecard via Notecard AUX_RX and AUX_TX via Raspberry Pi GPIOs 14 and 15 (Pins 8 and 10). Typical applications will use I2C for Notecard interactions, with this AUX serial port providing useful debugging features for developers.

  3. ATTN - When turned ON, connects Notecard ATTN to Raspberry Pi GPIO 6 (Pin 31).

Specifications

Electrical Characteristics

DC Characteristics

DescriptionMinimumMaximumUnit
Supply Voltage2.55.5V
Supply Current5002000mA

Absolute Maximum Ratings

DescriptionMinimumMaximumUnit
Storage temperature-3570°C
note

Actual values may vary based on local conditions such as atmospheric conditions and distance to the cell tower.

Ordering Information

  • Notecarriers
  • Development Kits

Design Files

Open source hardware designs for all Notecarriers are maintained in the note-hardware GitHub repository.

Terms and Conditions

Visit Blues Hardware Terms & Conditions .

Revision History

AuthorDateSummary
Ray Ozzie2019-2020Document drafted
John Wiedey2020Various improvements
Sean Taylor2020Various improvements
Zachary J. Fields01 OCT 2020Updated information and translated to markdown
Brandon Satrom04 JAN 2021Added link to design resources
Greg Wolff13 JAN 2021Added BAT pin information to Notecarrier AF datasheet
Brandon Satrom07 APR 2022Added Notecarrier-A information
Zachary J. Fields20 JUL 2022Added Notecarrier-F information
Zachary J. Fields24 OCT 2022Added Notecarrier-B v2 information
Rob Lauer28 OCT 2022Added versioning for Notecarrier-B v1/v2
TJ VanToll05 JAN 2023Added Notecard Outboard Firmware Update information

Contact Information

Blues Inc.
https://blues.io
50 Dunham Ridge Suite 1650
Beverly, MA 01915
support@blues.io

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