SparkFun Edge Development Board Apollo3 Blue
DEV-15170 RoHS
Edge computing is here! You've probably heard of this latest entry to the long lineage of tech
buzzwords like "IoT," "LoRa," and "cloud" before it, but what is the edge and why does it matter? The
cloud is impressively powerful but all-the-time connection requires power and connectivity that may
not be available. Edge computing handles discrete tasks such as determining if someone said 'start
washer' and responds accordingly. The audio analysis is done at the edge rather than on the web.
This dramatically reduces costs and complexity while limiting potential data privacy leaks.
In collaboration with Google and Ambiq, SparkFun's Edge Development Board is based around the
newest edge technology and is perfect for getting your feet wet with voice and even gesture
recognition without relying on the distant services of other companies. The magic sauce is in the
utilization of Ambiq Micro's latest Apollo3 Blue microcontroller whose ultra efficient ARM Cortex-M4F
48MHz (with 96MHz burst mode) processor can run TensorFlow Lite using only 6uA/MHz. Apollo3
Blue sports all the cutting edge features expected of modern microcontrollers including six
configurable I2C/SPI masters, two UARTs, one I2C/SPI slave, a 15-channel 14-bit ADC, and a
dedicated Bluetooth processor that supports BLE5. On top of all that the Apollo3 Blue has 1MB of
flash and 384KB of SRAM memory - plenty for the vast majority of applications.
On the Edge you'll have built-in access to sensors, Bluetooth, I2C expansion, and GPIO
inputs/outputs. To support edge computing cases like voice recognition the Edge board features two
MEMS microphones, an ST LIS2DH12 3-axis accelerometer on its own I2C bus, and a connector to
interface to an OV7670 camera (sold separately). An onboard Bluetooth antenna gives the Edge
out-of-the-box connectivity. Also available on the board is a Qwiic connector to add I2C
sensors/devices, four LEDs, and four GPIO pins. To boast the low-power capabilities of the board
we've outfitted it with battery operation from the CR2032 coin cell holder. Programming the board is
taken care of with an external USB-serial adapter like the Serial Basic Breakout via a serial
bootloader, but for more advanced users we've also made available the JTAG programming and
debugger port.
As a brave explorer of this new technology you'll have to use some advanced concepts but don't
worry. Between Ambiq Micro's Software Development Kit and our SDK Setup Guide you'll have
access to plenty of examples to begin working with your hardware.
Now get out there and make something amazing with the latest machine learning technology at your
very own fingertips!
Important: The SparkFun Edge Development Board is available for pre-order and final board
appearance may change before the final release. Adding a pre-order product to an order may cause
a delay. Be sure to uncheck “ship complete order” in your cart to avoid delays in shipping in-stock
items. We expect to have physical stock ready to ship by the end of March.
FEATURES
Microcontroller
32-bit ARM Cortex-M4F processor with Direct Memory Access
48MHz CPU clock, 96MHz with TurboSPOT™
Extremely low-power usage: 6uA/MHz
1MB Flash
384KB SRAM
Dedicated Bluetooth processor with BLE 5
Onboard
ST LIS2DH12 3-axis accelerometer
2x MEMS microphones with operational amplifier
OV7670 camera connector
Qwiic connector
4 x GPIO connections
4 x user LEDs
1 x user button
FTDI-style serial header for programming
Bluetooth antenna
CR2032 coin cell holder for battery operation
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