25 products
This battery holder from Keystone Electronics will help you power your project with 3 AA batteries (in series). The holder is terminated in PCB-friendly through-hole PC pins and can be mounted to a custom PCB or any of our Notecarriers.
Notecarrier-A users please note: If you solder this AA holder onto the Notecarrier-A using the obvious location on the Notecarrier, placing batteries in the holder AND plugging it into USB at the same time will attempt to charge the batteries (if their voltage goes lower than 4.2V). Our recommendation to battery-power a Notecarrier-A design is to attach the batteries to the V+ connector, which avoids conflict between the batteries and charger. Alternatively, you can simply choose to not use USB and AA batteries simultaneously.
Key Specs
- Manufacturer: Keystone Electronics
- Battery Type: Cylindrical
- Battery Cell Size: AA
- Mounting Type: PCB, Through Hole
- Termination Style: PC Pin
Additional Resources
Lithium-ion polymer (also known as "LiPo") batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 5,000mAh for a total of about 19 Wh.
The batteries come pre-attached with a 2-pin JST-PH connector and include the necessary protection circuitry which keeps the battery voltage from going too high (over-charging) or too low (over-use). The battery will cut out when completely dead at 3.0V and it will also protect against output shorts.
Due to regulations in shipping batteries containing lithium, international shipments of this product are unavailable at this time.
Safety Warning: Do not use a NiMH/NiCad/lead-acid charger to charge LiPo batteries. Do not abuse these batteries, including shorting, bending, crushing, or puncturing. Never charge unattended or use unattended. Inspect batteries and surrounding circuitry constantly for any damage and loose wiring.
Additional Resources
Know your Air. Breathe Easy.
The Airnote is an air quality monitoring solution built by Blues, in partnership with Safecast. Unlike other personal air quality products which require manual Wi-Fi provisioning, the Airnote uses the global cellular capabilities of the Notecard so that the device can be deployed in seconds with no configuration required on the part of the owner.
The device includes a solar charging system, a small on-board display for viewing up-to-date sensor readings, and a link to a web-based dashboard where you can view insights from your own device.
Example Airnote Dashboard
Airnote Sensors
- Air Particulate Matter (PM1, PM2.5, and PM10)
- Temperature
- Humidity
- Barometric Pressure
- Device GPS Location
Airnote Specs
Additional Resources
The Blues WisGate Edge Lite 2 powered by RAKWireless™ is an 8-channel indoor gateway with full LoRaWAN Stack Support (v1.0.3), built-in Ethernet, and Wi-Fi connectivity. The gateways are pre-provisioned on the Blues Things Stack Tenant to enable out-of-the-box connectivity for Notecard LoRa. This product is also available as part of the Blues LoRaWAN Starter Kit.
The gateway offers low-touch configuration with Notecard LoRa, an enclosure designed for efficient cooling, optional DIN rail mounting, and an intuitive out-of-the-box user experience for easy setup and diagnostics. Consult the tutorials and technical documentation from Blues and RAKWireless™ for additional information.
Key Specs
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Full LoRaWAN Stack support (v1.0.3) with Semtech SX1302
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Supports 2.4 GHz Wi-Fi AP for configuration
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100M Base-T Ethernet with PoE
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Multi back-haul with Ethernet and Wi-Fi
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OpenWRT software supports Web UI for easy configuration and monitoring
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Pre-configured on the Blues Things Stack tenant for easy out-of-the-box configuration
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TF card for log backup and LoRa frame buffering (in case of backhaul failover)
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Built-in Network Server for easy deployment of applications and integration of gateways
Additional Resources
The Blues Starter Kit contains everything you need to start building connected solutions with the Notecard and Notehub. Start with the Swan (an STM32-based host MCU), slot it into the Notecarrier F (the Blues development board), and use the Notecard (with LTE Cat-1 Cellular or Wi-Fi) to build your connected app.
Kit Contents
- Notecard Cell+WiFi (Global LTE Cat-1 and 2.4 GHz Wi-Fi)
- Notecarrier F
- Swan
- Flexible dual Cellular and GPS antenna
Key Notecard Cell+WiFi Specs
- Includes a secure element with a factory-installed ECC P-384 certificate, provisioned at chip manufacture.
- Integrated GPS and accelerometer.
- Designed to operate on battery power, be "always-on" to maintain time and location, while typically drawing less than 18µA@5V, when idle.
- Bundled with 10 years of service and 500MB of cellular data.
- No cellular subscriptions, SIM fees, or monthly minimums apply.
- PTCRB Certified Module.
The Notecard Cell+WiFi included in the kit is designed to be used globally and uses a Telit LE910C1-WWXD modem that connects to LTE Cat-1 / WCDMA / GSM networks. See the Notecard Cell+WiFi product page and the Notecard Cell+WiFi datasheet for additional details.
Notecarrier F is a companion development board designed for rapid prototyping with Adafruit Feather-based host microcontrollers. It can be used with any Feather-compatible device and includes Qwiic ports for connecting I2C peripherals. See the Notecarrier F product page and the Notecarrier F datasheet for additional details.
Swan is a low-cost, embeddable STM32L4-based microcontroller designed to accelerate the development and deployment of battery-powered IoT solutions. It is especially useful for applications requiring a large amount of memory or a high degree of I/O expandability at an affordable cost, such as edge inferencing or remote monitoring. See the Swan product page and the Swan datasheet for additional details.
The flexible dual Cellular and GPS antenna has a supported frequency range of 698 MHz to 4.0 GHz with a u.FL terminator.
Additional Resources
The Blues Starter Kit for LoRaWAN contains everything you need to start building LoRa and LoRaWAN solutions with the Notecard and Notehub. Start with a WisGate Edge Lite 2 LoRaWAN Gateway (pre-configured on the Blues Things Stack tenant for out-of-the-box connectivity) and connect it to local Wi-Fi or Ethernet. Then, connect the three included Notecard LoRa devices to the included Notecarriers, place a LoRa antenna on each, and power them up with a LiPo battery. Use the Notecard API to configure the devices, and within minutes, you’ll have LoRa devices talking to Notehub!
Kit Contents
- WisGate Edge Lite 2 LoRaWAN Gateway
- 3x Notecard LoRa
- 3x Notecarrier B
- 3x LiPo Battery
- 3x LoRa Antenna
Key Notecard LoRa Specs
- Onboard ultra-low-power STM32WL LoRa MCU.
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Compatible with LoRaWAN and The Things Network.
The Notecard for LoRa is a lower-cost version of the cellular-based Notecards for LoRa only, and is API-compatible with the cellular- and WiFi-based Notecards (with some exceptions). The Notecard LoRa works with gateways provisioned on The Things Stack. Included is a flexible Molex 211140 antenna that supports both 868 MHz (Europe) and 915 MHz (United States) frequencies.
With just two lines of code, you can send data to the cloud in minutes, no complex device registration or provisioning required. With a powerful JSON-based API, you can program the Notecard over USB, or control it from your preferred microcontroller or single-board computer using one of our open-source firmware libraries. Connect from your preferred host to the Notecard using Serial or I2C.
The Notecard is designed to work with a cloud service for ingesting and processing device data. Notehub provides secure device connectivity, project and fleet management, and simple routing to third-party cloud services.
Available Variants
The Blues WisGate Edge Lite 2 is a full 8-channel indoor gateway with full LoRaWAN Stack Support (v1.0.3), Built-in Ethernet and Wi-Fi connectivity. The gateways are pre-provisioned on the Blues Things Stack Tenant to enable out-of-the-box connectivity for Notecard LoRa. See the Blues WisGate Edge Lite 2 product page or RAKWireless documentation for additional details.
Notecarrier B is a small form-factor Notecarrier, only slightly larger than the Notecard itself. Unlike other Notecarriers, the Notecarrier B does not include an external SIM slot. It includes a Qwiic port for connecting I2C peripherals.
The flexible LoRa antenna has a supported frequency range of 868-870 MHz and 902-928 MHz with a u.FL terminator.
Additional Resources
With a supported frequency range of 700–960 MHz and 1710–2690 MHz for LTE, with a u.FL terminator, this Quectel YCA001BA flexible antenna is a quick way to get your Notecard online via LTE or Wi-Fi and GPS/GNSS.
Key Antenna Specs
- Manufacturer: Quectel
- Dimensions: 128.2mm x 23.3mm
- Frequency Range: LTE: 700–960 MHz, 1710–2690 MHz, GNSS: 1560–1620 MHz
- Input Impedance: 50Ω
- VSWR: LTE ≤ 4.81, GNSS ≤ 2.0
- Gain: LTE ≤ 5 dBi, GNSS ≤ 2 dBi
- Polarization Type: Linear
- Working & Storage Temperature Range: -40 °C to +85 °C
With a supported frequency range of 698 MHz to 4.0 GHz with a u.FL terminator, this Molex flexible antenna is a quick way to get your Notecard online via LTE or Wi-Fi. It can also be used as a GPS/GNSS antenna.
Key Antenna Specs
- Manufacturer: Molex
- Dimensions: 85mm L x 14.5mm W x 0.1mm H
- Cable Length: 180mm
- Cable Type: 180mm coax
- Datasheet
Additional Resources
This Li-SOCl2 battery from Tadiran is perfect for the high current pulses that the Notecard can experience when in a region that requires the use of GSM networks. We've tested numerous batteries with Notecard-based applications and, with the ability to handle sustained 2A pulses and high capacity retention over a number of years, Tadiran Li-SOCl2 batteries are second-to-none. Add one of these batteries to your project and rest easy that your Notecard will stay online for as long as you need.
This product is based on the Tadiran TLP-93111 and was modified for Blues to include a JST connector so that you can easily use it with any of our Notecarriers.
Due to regulations in shipping batteries containing lithium, international shipments of this product are unavailable at this time.
Key Battery Specs
- Capacity to 3.0V (@0.5A @1% duty cycle): 19 Ah
- Nominal voltage: 3.6 V
- Maximum 1 second pulse to 3.0V: 3A
- Maximum pulse length @0.5A to 2.8V: 1000 sec
- Delay time to 3.0V @0.5A: No Delay
- Operating temperature range: -40ºC to +85ºC
- Capacity retention after 10 years: 96%
Additional Resources
This is a 100mm long 4-conductor cable with 1mm JST termination. It’s designed to connect Qwiic-enabled components together for I2C communication.
Each Qwiic cable's wires have been color coded to red (Power), black (GND), blue (SDA), and yellow (SCL).
Additional Resources
New for Spring 2024! The Notecard Cell+WiFI (MB) adds an LTE Cat 1 bis Notecard to complement our existing Notecard SKUs. This new, “Midband” Notecard provides a step-up in performance from 2G/3G, Cat-M, and NB-IoT without a big step-up in price.
NOTE: Notecard Cell+WiFi quantities are limited. Lead times may vary as we fulfill customer orders in the coming weeks!
The Notecard is a device-to-cloud data pump that reduces the complexity of building connected solutions with secure, reliable cellular and Wi-Fi. As an embeddable system on module (SoM), the Notecard can be used with any microcontroller for both greenfield and retrofit projects using your own design, or one of our custom designed Notecarriers.
The Notecard Cell+WiFi allows for dynamic fallback from Wi-Fi to cellular and indoor location tracking via Wi-Fi Triangulation.
With just two lines of code you can send data to the cloud in minutes, with no complex device registration or provisioning required. With a powerful JSON-based API, you can program the Notecard over USB, or control it from your preferred microcontroller or single-board computer using one of our open-source firmware libraries. Connect from your preferred host to the Notecard using Serial or I2C.
The Notecard is designed to work with a cloud service for ingesting and processing device data. Notehub provides secure device connectivity, project and fleet management, and simple routing to 3rd party cloud services.
The Notecard is meant to be used with a Notecarrier. The Notecard Cell+WiFi is compatible with the Notecarrier F, Notecarrier Pi Hat, Notecarrier B, and Notecarrier R.
Available Variations
- Wideband (LTE Cat 1)
- LTE Cat 1 and 2.4 GHz Wi-Fi for Global Use (Datasheet and Country Coverage)
- LTE Cat 1 and 2.4 GHz Wi-Fi for North America (Datasheet and Country Coverage)
- LTE Cat 1 and 2.4 GHz Wi-Fi for EMEA (Datasheet and Country Coverage)
- Midband (LTE Cat 1 bis)
- LTE Cat 1 bis and 2.4 GHz Wi-Fi for Global Use (Datasheet and Country Coverage)
- LTE Cat 1 bis and 2.4 GHz Wi-Fi for North America (Datasheet and Country Coverage)
- Narrowband (LTE Cat M, NB-IoT)
- LTE Cat M, NB-IoT, and 2.4 GHz Wi-Fi for Global Use (Datasheet and Country Coverage)
- LTE Cat M, NB-IoT, and 2.4 GHz Wi-Fi for North America (Datasheet and Country Coverage)
Key Notecard Cell+WiFi Specs
- Includes a secure element with a factory-installed ECC P-384 certificate, provisioned at chip manufacture.
- Integrated GPS and accelerometer.
- Designed to operate on battery power, be "always-on" to maintain time and location, while typically drawing less than 18µA@5V, when idle.
- Bundled with 10 years of service and 500MB of cellular data.
- No cellular subscriptions, SIM fees, or monthly minimums apply.
- PTCRB Certified Module.
- Includes a 2.4 GHz Wi-Fi module with Wi-Fi to Cellular fallback capabilities.
Additional Resources
The Notecard is a device-to-cloud data pump that reduces the complexity of building connected solutions with secure, reliable cellular. As an embeddable system on module (SoM), the Notecard can be used with any microcontroller for both greenfield and retrofit projects using your own design, or one of our custom designed Notecarriers.
With just two lines of code you can send data to the cloud in minutes, with no complex device registration or provisioning required. With a powerful JSON-based API, you can program the Notecard over USB, or control it from your preferred microcontroller or single-board computer using one of our open-source firmware libraries. Connect from your preferred host to the Notecard using Serial or I2C.
The Notecard is designed to work with a cloud service for ingesting and processing device data. Notehub provides secure device connectivity, project and fleet management, and simple routing to 3rd party cloud services.
The Notecard is meant to be used with a Notecarrier. The Notecard Cellular is compatible with all available Notecarriers. See the Notecarriers section for more details or get started with a Blues Starter Kit.
Available Variations
- Wideband (LTE Cat 1)
- LTE Cat-1 for North America (Datasheet and Country Coverage)
- LTE Cat-1 for EMEA (Datasheet and Country Coverage)
- Narrowband (LTE Cat M, NB-IoT)
- LTE-M, NB-IoT for North America (Datasheet and Country Coverage)
- LTE-M, NB-IoT for Global Use (Datasheet and Country Coverage)
Key Notecard Cellular Specs
- Includes a secure element with a factory-installed ECC P-384 certificate, provisioned at chip manufacture.
- Integrated GPS and accelerometer.
- Designed to operate on battery power, be "always-on" to maintain time and location, while typically drawing less than 8µA@5V, when idle.
- Bundled with 10 years of service and 500MB of cellular data.
- No cellular subscriptions, SIM fees, or monthly minimums apply.
- PTCRB Certified Module.
Additional Resources
The Notecard is a device-to-cloud data pump that reduces the complexity of building connected solutions with LoRa/LoRaWAN. As an embeddable system on module (SoM), the Notecard can be used with any microcontroller for both greenfield and retrofit projects using your own design, or one of our custom designed Notecarriers.
The Notecard for LoRa is a lower-cost version of the cellular-based Notecards for LoRa only, and is API-compatible with the cellular- and WiFi-based Notecards (with some exceptions). The Notecard for LoRa supports The Things Network gateways. Included is a flexible Molex 211140 antenna that supports both 868 MHz (Europe) and 915 MHz (United States) frequencies.
With just two lines of code you can send data to the cloud in minutes, no complex device registration or provisioning required. With a powerful JSON-based API, you can program the Notecard over USB, or control it from your preferred microcontroller or single-board computer using one of our open-source firmware libraries. Connect from your preferred host to the Notecard using Serial or I2C.
The Notecard is designed to work with a cloud service for ingesting and processing device data. Notehub provides secure device connectivity, project and fleet management, and simple routing to 3rd party cloud services.
The Notecard is meant to be used with a Notecarrier. The Notecard for LoRa is compatible with all available Notecarriers. See the Notecarriers section for more details or get started with a Blues Starter Kit.
Available Variations
Key Notecard Specs
- Onboard ultra-low-power STM32WL LoRa MCU.
- Compatible with LoRaWAN and The Things Network.
Additional Resources
The Notecard is a device-to-cloud data pump that reduces the complexity of building connected solutions with Wi-Fi. As an embeddable system on module (SoM), the Notecard can be used with any microcontroller for both greenfield and retrofit projects using your own design, or one of our custom designed Notecarriers.
The Notecard WiFi is a lower-cost version of the cellular-based Notecards for 2.4 GHz Wi-Fi only, and is API-compatible with the cellular-based Notecards. The Notecard WiFi also supports location tracking via Wi-Fi Triangulation.
With just two lines of code you can send data to the cloud in minutes, with no complex device registration or provisioning required. With a powerful JSON-based API, you can program the Notecard over USB, or control it from your preferred microcontroller or single-board computer using one of our open-source firmware libraries. Connect from your preferred host to the Notecard using Serial or I2C.
The Notecard is designed to work with a cloud service for ingesting and processing device data. Notehub provides secure device connectivity, project and fleet management, and simple routing to 3rd party cloud services.
The Notecard is meant to be used with a Notecarrier. The Notecard WiFi is compatible with all available Notecarriers. See the Notecarriers section for more details or get started with a Blues Starter Kit.
Available Variations
- 2.4 GHz Wi-Fi (Datasheet)
Key Notecard WiFi Specs
- Utilizes the ESP32-S3-WROOM-1-N8R2 for connecting to 2.4 GHz Wi-Fi networks.
- JSON- and SoftAP-based provisioning support.
- Onboard ultra-low power ESP32 MCU with 8MB flash memory.
- High-performance 3-axis accelerometer and temperature sensor.
Additional Resources
Notecarriers are companion development boards designed to make it easy to prototype and deploy IoT solutions with the Notecard.
The Notecarrier A is designed for building battery-powered wireless applications, exposes all of the pins of the Notecard via the provided headers, and has onboard cellular and GPS/GNSS antennas.
Notecarriers require a Notecard to function. The Notecarrier A is compatible with the Notecard Cellular, Notecard Cellular (Legacy), Notecard WiFi, and Notecard LoRa.
Available Variations
- Notecarrier A with Pre-soldered Headers (Datasheet)
- Notecarrier A with Loose Header Pins (Datasheet)
Key Notecarrier A Specs
- Onboard cellular and GPS/GNSS antennas by Ignion.
- Notecard M.2 Key E connector socket and mounting screw receptacle.
- JST connector for a LiPo battery.
- JST connector for a solar panel.
- 2 Qwiic/StemmaQT I2C ports for attaching external peripherals.
- External Nano-SIM slot for use of an optional secondary SIM.
Additional Resources
Notecarriers are companion development boards designed to make it easy to prototype and deploy IoT solutions with the Notecard.
Notecarrier B is a small form-factor Notecarrier, only slightly larger than the Notecard itself. Unlike other Notecarriers, the Notecarrier B does not include an external SIM slot.
Included is a flexible Molex 209142 antenna for use with either LTE or GPS. If you require a dual LTE/GPS antenna, we recommend adding on the flexible LTE+GPS antenna (or you may choose to use your own preferred antenna).
Notecarriers require a Notecard to function. The Notecarrier B is compatible with all available Notecards. See the Notecards section for more details or get started with a Blues Starter Kit.
Available Variations
- Notecarrier B with Pre-soldered Headers (Datasheet)
- Notecarrier B with Loose Header Pins (Datasheet)
Key Notecarrier B Specs
- Notecard M.2 Key E connector socket and mounting screw receptacle.
- 2-Pin JST PH connecter for LiPo battery power support.
- 1 Qwiic/StemmaQT I2C port for attaching external peripherals.
- Dip switch for using active or passive GPS/GNSS antenna.
Additional Resources
Notecarriers are companion development boards designed to make it easy to prototype and deploy IoT solutions with the Notecard.
The Notecarrier F is a carrier board designed for quick prototyping with Adafruit Feather-based microcontrollers. It can be used with any Feather-compatible device and includes Qwiic ports for connecting I2C peripherals.
Included is a flexible Molex 209142 antenna for use with either LTE or GPS. If you require a dual LTE/GPS antenna, we recommend adding on the flexible LTE+GPS antenna (or you may choose to use your own preferred antenna).
Notecarrier F also features a switch to enable Notecard Outboard Firmware Update. This capability supports "over the air" firmware updates and does not involve firmware running on the host MCU directly.
Notecarriers require a Notecard to function. The Notecarrier F is compatible with all available Notecards. See the Notecards section for more details or get started with a Blues Starter Kit.
Available Variations
- Notecarrier F with Pre-soldered Headers (Datasheet)
- Notecarrier F with Loose Header Pins (Datasheet)
Key Notecarrier F Specs
- Adafruit Feather-compatible header socket.
- Breadboard-compatible Notecard 13-pin header.
- Breadboard-compatible 24-pin Adafruit Feather breakout header.
- Notecard M.2 Key E 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 use of an optional secondary SIM.
- 2 Qwiic/StemmaQT I2C ports for attaching external peripherals.
- JST PH connector for a LiPo battery.
- JST PH connector for a solar panel.
- JST PH connector for V+.
- JST SH 3.3V I2C connector.
- Battery slide switch to disconnect battery when not in use.
- Front and back pin labels.
Additional Resources
Notecarriers are companion development boards designed to make it easy to prototype and deploy IoT solutions with the Notecard.
Notecarrier Pi is designed for drop-in development with a Raspberry Pi or compatible Single Board Computer. It includes a pre-soldered female 40-pin header connector for plugging directly into the Raspberry Pi, and a 40-pin connector on top for stacking other Pi “hats” and devices. It also includes a single Grove I2C port for attaching external peripherals.
Included is a flexible Molex 209142 antenna for use with either LTE or GPS. If you require a dual LTE/GPS antenna, we recommend adding on the flexible LTE+GPS antenna (or you may choose to use your own preferred antenna).
Notecarriers require a Notecard to function. The Notecarrier Pi Hat is compatible with all available Notecards. See the Notecards section for more details or get started with a Blues Starter Kit.
Key Notecarrier Pi Specs
- Notecard M.2 Key E connector socket and mounting screw receptacle.
- 1 Grove I2C port for attaching external peripherals to your project.
- Pre-soldered female 40-pin header connector for plugging directly into a Pi or another Pi hat.
- Pre-soldered male 40-pin header connector for stacking additional Pi hats.
- External Nano-SIM slot for use of an optional secondary SIM.
Additional Resources
Add the Notecard to Arduino MKR and PRO boards with this slim Notecarrier!
Notecarriers are companion development boards designed to make it easy to prototype and deploy IoT solutions with the Notecard.
Notecarrier R is a small form-factor Notecarrier, only slightly larger than the Notecard itself. Unlike other Notecarriers, the Notecarrier R does not include an external SIM slot. It’s similar to the Notecarrier B, but we’ve swapped out the Qwiic on the B with an ESLOV connector common to many Arduino MKR and PRO Portena boards. ESLOV provides I2C pins, as well as an additional GPIO, which we’ve connected to the Notecard’s ATTN pin.
Included is a flexible Molex 209142 antenna for use with either LTE or GPS. If you require a dual LTE/GPS antenna, we recommend adding on the flexible LTE+GPS antenna (or you may choose to use your own preferred antenna).
Notecarriers require a Notecard to function. The Notecarrier R is compatible with all available Notecards. See the Notecards section for more details.
Available Variations
Key Notecarrier R Specs
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Notecard M.2 Key E connector socket and mounting screw receptacle.
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2-Pin JST PH connectors for LiPo battery power support.
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1 ESLOV port for attaching the Notecard to Arduino MKR or PRO boards.
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DIP switch for using active or passive GPS/GNSS antenna.
Additional Resources
Scoop is designed to provide backup power and facilitate power management in a variety of applications. It features a large capacitor, two JST connectors, and four pairs of header pins for flexible connectivity.
The Scoop component can be powered via its charge connector or a pair of header pins, which accepts an input voltage of 4.8V-24V. The output connector can deliver a voltage in the range of 2.5V-3.8V, making it suitable for powering a wide range of devices.
Based on internal testing, Scoop is able to power up to approximately 20 on/off cellular connection cycles, or up to 240 minutes of a single cellular connection. Results may vary depending on the type of wireless coverage in the area and the amount and frequency of data being sent.
Key Scoop Specs
- Capacitor: Lithium Ion 250F 3.8V -10% +30%
- Connectors: JST PH 2P M SIDE ENTRY Surface Mount
- Charge Connector: Accepts 4.8V-24V
- Output Connector: Outputs 2.5V-3.8V
- Header Pins: 4 pairs of header pins
Additional Resources
Swan is a low-cost, embeddable STM32L4-based microcontroller designed to accelerate the development and deployment of battery-powered IoT solutions. It is especially useful for applications requiring a large amount of memory or a high degree of I/O expandability at an affordable cost, such as edge inferencing and remote monitoring.
Uniquely for Feather-compatible boards, we designed Swan to satisfy developers’ needs spanning from early prototyping to high-volume deployment. Developers can use Swan in conjunction with Adafruit’s myriad sensors and FeatherWing-compatible carriers. Due to its novel design, for high-volume deployment the low-cost Swan can also be soldered directly to a parent PCB integrating those sensors, utilizing the full range of Swan’s I/O capabilities.
The board has three independent power options – USB, battery, or line power – and provides a software-switchable 2 Amp regulator for powering external sensors. When operating in its low-power operating mode, the entire Swan board draws only 8uA while retaining all of its memory, making it ideal for battery-powered devices.
Swan features support for C/C++, Arduino, and CircuitPython, and includes a CORTEX Debug connector, enabling the use of advanced development environments such as Visual Studio Code, IAR, and STM32CubeIDE. Be sure to add an STLNK-V3MINIE to get that step-debugging goodness!
Swan is available as a standalone board or in a Blues Starter Kit that includes a Notecard and Notecarrier.
Available Variations
- Swan with Pre-soldered Headers (Datasheet)
- Swan with Loose Header Pins and Swan Carrier Board (Datasheet)
Key Swan Specs
- Ultra low-power Arm Cortex-M4 core clocked at 120Mhz.
- STM32L4R5-based microcontroller.
- 2MB of flash and 640KB of RAM.
- Castellated-edge access to 55 GPIO ports including:
- 8 analog
- 16 digital
- 4x I2C, 3x SPI
- USB OTG full speed
- 1x 14-channel DMA
- tRNG
- 12-bit ADC, 2 x 12-bit DAC
- Low-power RTC, and CRC calculation peripherals
- Qwiic/StemmaQT connector.
- Support for Notecard Outboard Firmware Update.
Additional Resources
Program and debug your STM32-based Swan apps in VSCode, IAR, and STM32CubeIDE!
STLINK-V3MINIE is a stand-alone debugging and programming tiny probe for STM32 microcontrollers like the Blues Swan. The JTAG/SWD interfaces are used to communicate with any STM32 microcontroller located on an application board. STLINK-V3MINIE also provides a Virtual COM port interface for the host PC to communicate with the target microcontroller through one UART.
NOTE: A USB-C cable is required to use the STLINK-V3MINIE (not included).