The STX3 Development Kit with Bluetooth Low Energy (BLE) is an easy way to send custom
messages over the Globalstar Satellite Network and serves as a starting point for developers in
crafting satellite transmission in their own customized products.
An accompanying mobile app (iOS or Android) allows users to issue commands to interface
with the STX3 and nRF52 BLE SoC using Nordic UART Service. Through a mobile app or serial
console, users may send user-defined custom data via the STX3 module through the Globalstar
Satellite Network.
• Globalstar Satellite Transmitter (STX3)
• nRF52832 flash-based ANT/ANT+, Bluetooth® low energy SoC solution
(https://www.nordicsemi.com/Products/Low-power-short-range-wireless/nRF52832)
• 2.4GHz Chip Antenna for Bluetooth
• Multiple Interfacing Options: BLE, USB, STX3 UART
• User Controllable LEDs and button
• Humidity Sensor
• Temperature Sensor
• (3-axis) Accelerometer
• Analog Adjust potentiometer
• Expansion header
• Sample code and hardware schematics available upon request
• Mobile App available for iOS and Android
The STX3 Development Kit comes with 60 days of pre-authorized satellite usage time. The
Activation form should be submitted prior to ordering this kit, but if changes are required
please contact your authorized Globalstar dealer.
• STX3 Dev Kit with BLE
• This Quick Start Guide
• USB Y-Cable for programing and
powering of dev kit
IMPORTANT NOTES
• The power needed for STX3 transmissions will exceed the supply current
available from using only one USB port on your laptop or PC. Therefore,
the USB Y-Cable is to be used to power and communicate with the STX3
Dev Kit using your laptop or PC.
• The ESN (Electronic Serial Number) of your STX3 Dev Kit is listed on the
label on the top PCB along with its associated barcode.
• The user should activate the ESN associated with the Dev Kit prior
to transmitting any messages. The ESN determines the routing of
messaging through the Globalstar Satellite Network and the details
related to the activation of the 60-day trial period. After 60 days, renewal
is required with payment for continued satellite network service.
• The STX3 Dev Kit must have a clear view of the sky to communicate on
the Globalstar Satellite Network.
CONTENTS OF STX3 DEV KIT WITH BLE PACKAGE
KEY FEATURES
ACTIVATING YOUR DEV KIT
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