Microboards
| Omschrijving | Nano V3 | RF-Nano V3 NRF24L01 |
Due | Metro M4 Grand Central |
Rasberry PI | ESP8266 NodeMcu V3 Lua | MEGA 2560 |
Arduino® Nano 33 BLE | Wemos D1 mini V3 |
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| Microcontroller | ATmega328 | ATmega328P | AT91SAM3X8E | Cortex M4 core (SAMD51) | Broadcom BCM2837B0 quad-core A53 (ARMv8) 64-bit @ 1.4GHz | Tensilica 32-bit RISC CPU Xtensa LX106 | AVR ATmega 2560 (8bit) | nRF52840 | ESP-8266EX |
| ARM CORTEX-M3 | 32 bit Cortex M4 core running at 120 MHz | 80 MHz, 32-bit processor; | 16 MHz (Factory set to 1Mhz) | nRF52840 64MHz | 80MHz/160MHz | ||||
| Operating Voltage (logic level) | 5 V | 5 V | 3,3 V | 3,3 V | 3,3 V | 5 V | 3,3 V | 3,3 V | |
| Input Voltage (Recommended) | 7-12 V | 7-12 V | 7-12 V | 6 – 12 V | 7 – 12 V | 7-12V | 3,3 V | ||
| Input Voltage (limits) | 6-20 V | 6-20 V | 6-20 V | 6-12V polarity protected DC | 16 DIO 4 PWM outputs | 6-20V | 21 V | 3,3 V | |
| Digital I/O Pins | 14 (of which 6 provide PWM Output) | 14 (of which 6 provide PWM Output) | 54 (of which 12 provide PWM output) | 70 GPIO pins in total 22 x PWM outputs | 40-pin GPIO header, populated | 1 (ADC) | 54 (of which 14 provide PWM output) | 114 (of which 5 provide PWM Output) | Digital I/O Pins: 11 |
| Analog Input Pins | 8 | 8 | 12 | 15 (ADC) | 16 | 8 | 1x (Max input: 3.2V) | ||
| Analog Outputs Pins | 2 (DAC) | 2 (DAC) A0 en A1 | |||||||
| Total DC Output Current on all I/O lines | 130 mA | ||||||||
| DC Current per I/O Pin | 40 mA | 40 mA | 40 mA | 14 mA | |||||
| DC Current for 5V Pin | 800 mA | ||||||||
| DC Current for 3.3V Pin | 800 mA | 50 mA | |||||||
| Flash Memory | 32 KB (ATmega328) of which 2 KB used by bootloader | 32 KB (ATmega328P) of which 2 KB used by bootloader | 512 KB all available for the user applications | 1 MB / 8 MB QSPI Flash | 4 MB | 256 KB of which 8 KB used by bootloader | 256 KB SRAM, 1MB flash | 4 MB | |
| SRAM / RAM | 2 KB (ATmega328) | 2 KB (ATmega328P) | 96 KB (two banks: 64KB and 32KB) | 256 kB | 1GB LPDDR2 SDRAM | 64 k | 8 KB |
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| EEPROM | 1 KB (ATmega328) | 1 KB (ATmega328P) | 4 KB | ||||||
| Clock Speed | 16 MHz | 16 MHz | 84 MHz | 120 MHz | 16 MHz | 80 MHz | |||
| Measurements | 18,5 x 43,2 mm | 48,0 x 18, 0 mm |
101.52 x 53,3 mm | 101.6 x 53.3 x 15.3mm | 82 x 56 x 19.5mm | 34.2 x 25.6 mm | |||
| Opmerking | 32-bit core, that allows operations on 4 bytes wide data within a single CPU clock. Built in crypto engines with AES (256 bit), true RNG, Pubkey controller |
Floating point support with Cortex M4 DSP instructions | |||||||
| Hardware UART (SerCom) | 1 | 1 | 3 | 8 x hardware SERCOM (can be I2C, SPI or UART) | 1 | 1 | 1 | ||
| SPI Interface(MOSI, MISO, SCK ,RESET) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| TWI (SDA SCL 2 wire) | 1 | 1 | 2 | 1 | 1 | ||||
| CAN interface | CANRX en CANTX | ||||||||
| Stereo I2S | Stereo I2S input/output with MCK pin | ||||||||
| Video out | HDMI | ||||||||
| Video port | 12-bit Parallel capture controller (for camera/video in) | Camera | |||||||
| Micro SD Card slot | 1 | 1 | |||||||
| GPU | Broadcom Videocore-IV | ||||||||
| Networking | Gigabit Ethernet (via USB channel), 2.4GHz and 5GHz 802.11b/g/n/ac Wi-Fi | ||||||||
| Buetooth | Bluetooth 4.2, Bluetooth Low Energy (BLE) | 4.0 | |||||||
| Audio | 3.5mm analogue audio-video jack | ||||||||
| USB | 1x | 1x | USB 2.0 4x | 1x | |||||
| Wifi | Dual-band 2.4GHz and 5GHz wireless LAN | IEEE 802.11 b/g/n | IEEE 802.11 b/g/n | ||||||
| Serial Interface (CSI) | Ja | ||||||||
| Display Serial Interface (DSI) | Ja |