SparkFun BlueSMiRF v2
Available with a lead time
Expect dispatch between May 15 and May 20
Quantity Discounts:
- 10-25 $30.06 (exc GST)
- 25+ $29.45 (exc GST)
The SparkFun BlueSMiRF v2 is a wireless Bluetooth® serial link. These boards work as a wireless serial UART pipe and are a great wireless replacement for serial cables. Simply pair, connect, and transmit serial data between your TX/RX lines! Any serial stream from 2400 to 921600 baud can be passed seamlessly between two devices.
Duplex transmissions up to 921600bps are supported. What does this mean? You can throw a book at each BlueSMiRF, which will correctly buffer, transmit, and deliver the data streams, byte perfect, to both radios.
BlueSMiRF v2 has a multitude of exciting improvements over the original. The BlueSMiRF pinout is the same as previous Bluetooth Mates and USB-to-serial converters (i.e., FTDI, CH340, etc.), making it extremely easy to hook up to many common Arduino development boards and high-precision GNSS breakout boards. The board can be connected directly with an Arduino Pro, Pro Mini, LilyPad Arduino 328 Main, ZED-F9P, ZED-F9R, UM980, SerLCD, or any board with a standard 6-pin serial connector. Sparkfun broke out the pins to the 1x6 header for this version of the board. You'll need to either solder a 1x6 female header or striped wires to the PTHs before being able to connect to another device. The SparkFun BlueSMiRF v2 is perfect for short-range applications up to 100ft (33m) indoors that require easy to setup, point-to-point communication.
A BlueSMiRF can be connected to a phone or computer to view data or remote control easily. Two BlueSMiRFs can also be easily connected using the onboard PAIR button. If needed, this button can be disabled by cutting the jumper on the back of the board.
We've designed the BlueSMiRF to be remotely configured from a phone using a serial terminal app. Changing the settings, such as the baud rate, flow control, and LED mode, is easily done using the simple AT command set. Additionally, Over The Air (OTA) updates using WiFi allow easy in-field firmware updates as new features are released.
The BlueSMiRF v2 has an on-board voltage regulator to power between 3.3V and 5V. Logic level shifting circuitry is included on all pins to be 3.3V to 5V tolerant. Note that you will need an RS232 to TTL converter for higher voltages. A jumper on the top of the board is also included to bypass the voltage regulator. Two built-in LEDs indicate when the BlueSMiRF is connected and when there is serial UART traffic.
Note: Bluetooth® classic (Serial Port Profile or SPP) is primarily supported. This Bluetooth protocol is supported on Android phones, most desktops, and laptops. BlueSMiRF also supports the BLE protocol, available on all Apple phones.
Get Started with the SparkFun BlueSMiRF v2 GuideFeatures
- Espressif's ESP32-PICO-MINI-02 Module with Built-in PCB Antenna
- Serial Bluetooth® Point-to-Point Communication
- Bluetooth Protocols Supported
- Serial Port Profile (SPP)
- Bluetooth Low Energy (BLE)
- Firmware Over-the-Air (OTA) Updates via 2.4GHz WiFi
- Recommended Input Voltage: 3.3V to 5V
- Current & Power Consumption @ 3.3V
- Idle: 72mA / 238mW
- Connected with no Serial Traffic: 75mA / 248mW
- Constant Duplex Serial Traffic: 140mA / 462mW
- AP2112K 3.3V/600mA Voltage Regulator
- Logic Level Converters on all pins
- Standard Serial Port Broken Out to PTHs
- RTS/RXI/TXO/VCC/CTS/GND
- PTH
- Reset
- Button
- Pair
- LEDs
- CONNECT
- STATUS
- Jumpers
- 3.3V Bypass Jumper (JP2)
- Pair Button (BTN)
- Board Dimensions
- 44.2mm x 15.22mm
- Weight: 3g
Documents
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We deliver Australia-wide with these options (depends on the final destination - you can get a quote on the view cart page):
- $3+ for Stamped Mail (typically 10+ business days, not tracked, only available on selected small items)
- $6+ for Standard Post (typically 6+ business days, tracked)
- $10+ for Express Post (typically 2+ business days, tracked)
- Pickup - Free! Only available to customers who live in the Newcastle region (must order online and only pickup after we email to notify you the order is ready). Orders placed after 2PM may not be ready until the following business day.
Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.
Some batteries (such as LiPo) can't be shipped by Air. During checkout, Express Post and International Methods will not be an option if you have that type of battery in your shopping cart.
International Orders - the following rates are for New Zealand and will vary for other countries:
- $11+ for Pack and Track (3+ days, tracked)
- $16+ for Express International (2-5 days, tracked)
If you order lots of gear, the postage amount will increase based on the weight of your order.
Our physical address (here's a PDF which includes other key business details):
Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia
Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.
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