32-bit AT91SAM3X8E 512KB flash, 96KB RAM 50+
16
— — — 7V–12V 3.3V
—
8-bit ATmega2560
256KB flash, 8KB RAM,
4KB EEPROM
50+
7–12
— — — 6V–20V 5V
—
32-bit Nordic nRF52840 Cortex-M4F
32-bit ATSAMD21G18 Cortex-M0
32-bit Nordic nRF52840 Cortex-M4F
32-bit ATSAMD51 Cortex-M4
32-bit Nordic nRF52840
Cortex-M4F
32-bit STM32F405 Cortex-M4
8-bit ATmega32u4
32-bit ESP32 Tensilica LX6
32-bit ATSAMD21 Cortex-M0+
32-bit ATSAMD51J19 Cortex-M4
32-bit ATSAMD51J20 Cortex-M4
32-bit ATSAMD21E18 Cortex-M0+
32-bit SAMD21 Cortex-M0+
32-bit SAMD21 Cortex-M0+
1MB flash, 256KB RAM,
2MB QSPI flash
256KB flash, 32KB RAM,
2MB SPI flash
1MB flash, 256KB RAM
512KB flash, 192KB RAM,
2MB SPI flash
1MB flash, 256KB RAM,
2MB QSPI flash
1MB flash, 192KB RAM total,
2MB SPI flash
32KB flash
520KB RAM, 4MB flash
256KB flash, 32KB RAM,
2MB flash
512KB flash, 192KB RAM,
2MB QSPI flash
256KB RAM, 1MB flash,
8MB QSPI flash
256KB flash, 32KB RAM
256KB flash, 32KB RAM
256KB flash, 32KB RAM
8
8
18
15
15
14
1–10
6
13
19
4
5
8–15
8–15
8
8
6
6
6
6
4–6
8
11 (1 DAC)
8 (2 DAC)
12–30
3 (1 DAC)
7
7
Bluetooth
—
Bluetooth
—
Bluetooth
—
—
Wi-Fi, Bluetooth
—
—
Wi-Fi
—
LoRa
Wi-Fi, Bluetooth
—
—
1.3" 240×240
color IPS TFT
LCD display
—
—
—
—
—
—
—
320×200
touchscreen
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3.7V–5V
5V
3V–6V
3.3V
3.3V
3.3V–5V
3.5V–16V
3.3V–5V
3.3V–5V
7V–9V
5V
3.3V/5V
5V
3.7V–5V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V—
32-bit
ATSAMD51P20 Cortex-M4
1MB flash, 256KB RAM,
8MB QSPI flash
46
16
— — — 6V 3.3V—
3.3V—
—
3.3V—
—
P
3.3V
3.3V
3.3V
3.3V
Processor Memory
Digital Pins
Analog Pins Radio Video
Ethernet
on Board
Input Voltage
Operating
Voltage
Battery
Connection
P
P
P
P
P
P
P
32-bit ATSAMD21 Cortex-M0+ 256KB flash, 32KB RAM 3
3 (1 DAC)
— — — 3V–6V 3.3V
P
P
Adafruit Clue
The Clue is a stand-alone powerhouse, able to complete
many projects without expansion. On board, you’ll find
a 1.3" color LCD screen, Bluetooth, accelerometer,
gyroscope, magnetometer, barometric pressure sensor,
humidity sensor, proximity light and gesture sensor,
buzzer, and two buttons. Like most of Adafruit’s boards,
this comes with built-in battery management for mobile
applications. An expansion plug for STEMMA accessories
allows for easy additions if needed. And it has that
useful BBC micro:bit form factor. Mix in the ease of
CircuitPython and you have a pretty great platform for
learning, experimenting, and tinkering.
ONES TO WATCH
3makezine.com/boards
GUIDE TO BOARDS 2020
Use the app to view this page in AR
Scan the QR code
to get the Boards
Guide app and see
the guide come
to life in dynamic
AUGMENTED
REALITY!
M74_Outsert01-12_BoardGuide2020_F1.indd 3M74_Outsert01-12_BoardGuide2020_F1.indd 3 7/21/20 1:14 PM7/21/20 1:14 PM
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