# Arduino Nano Every

> 5 V Nano-format board with Microchip ATmega4809 (AVR 20 MHz, 48 KB flash, 6 KB SRAM, 4 USART), SAMD11 USB-serial bridge (UPDI programming), MPM3610 buck (VIN up to 21 V), AP2112K 3.3 V LDO; drop-in 5 V replacement for the classic Nano.

- Manufacturer: Arduino SA
- Part number: ABX00028
- Category: Development boards
- Canonical page: https://www.xirkit.io/products/arduino-nano-every-ff46
- Pinout: https://www.xirkit.io/products/arduino-nano-every-ff46/pinout
- Structured JSON: https://www.xirkit.io/products/arduino-nano-every-ff46/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Main chip | ATmega4809-AU |
| Chips on board | ATmega4809-AU |
| Exposed GPIO | 22 |
| Documented board pins | 35 |
| I/O voltage | 5 V |
| Supply voltage | 4.8–21 V |
| Flash | 48 KB |
| SRAM | 6 KB |
| Interfaces | gpio, spi, led, adc, pwm, event, analog, comparator, ccl, i2c, uart, timer, control, clock, debug, usb |
| Frameworks | Arduino IDE, Arduino Cloud |
| Dimensions | 43.18 × 17.78 mm |
| Operating temperature | -40 to 85 °C |
| Certifications | CE (RED 2014/53/EU), RoHS 2/3, FCC Part 15 |

## Pinout (35 pins, 25 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| D13 | JP1 · 1 | gpio | PE2 | D13, PE2, SPI SCK, LED_BUILTIN, AIN10, SCK (alternate), TCA0 0-WO2 (alternate), EVOUTE | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| +3V3 | JP1 · 2 | power out | — | power_out | — | — | — | — | — | — | — |
| AREF | JP1 · 3 | gpio | PD7 | AREF / VREFA, PD7, VREFA, AIN7, N2, EVOUTD (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| A0 | JP1 · 4 | gpio | PD3 | A0, PD3, AIN3, N0, TCA0 0-WO3 (alternate), LUT2-OUT | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| A1 | JP1 · 5 | gpio | PD2 | A1, PD2, AIN2, P0, TCA0 0-WO2 (alternate), EVOUTD, LUT2-IN2 | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| A2 | JP1 · 6 | gpio | PD1 | A2, PD1, AIN1, P3, TCA0 0-WO1 (alternate), LUT2-IN1 | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| A3 | JP1 · 7 | gpio | PD0 | A3, PD0, AIN0, TCA0 0-WO0 (alternate), LUT2-IN0 | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| A4 | JP1 · 8 | gpio | PA2 | A4, PA2, I2C SDA, TWI, USART0 XCK, SDA(MS), TCA0 0-WO2, TCB0-WO, EVOUTA, LUT0-IN2 | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| A5 | JP1 · 9 | gpio | PA3 | A5, PA3, I2C SCL, TWI, USART0 XDIR, SCL(MS), TCA0 0-WO3, TCB1-WO, LUT0-OUT | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| A6 | JP1 · 10 | gpio | PD4 | A6, PD4, AIN4, P1, TCA0 0-WO4 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| A7 | JP1 · 11 | gpio | PD5 | A7, PD5, AIN5, N1, TCA0 0-WO5 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| +5V | JP1 · 12 | power out | — | power_out | — | — | — | — | — | — | — |
| RST | JP1 · 13 | control | PF6 | RESET (active low), PF6, RESET, USART2 XCK (alternate), LUT3-OUT (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| GND | JP1 · 14 | ground | — | ground | — | — | — | — | — | — | — |
| VIN | JP1 · 15 | power in | — | power_in | — | — | — | — | — | — | — |
| TX | JP2 · 16 | gpio | PC4 | TX, PC4, Serial1 TX (USART1), USART1 TxD (alternate), TCA0 0-WO4 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| RX | JP2 · 17 | gpio | PC5 | RX, PC5, Serial1 RX (USART1), USART1 RxD (alternate), TCA0 0-WO5 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| RST | JP2 · 18 | control | PF6 | RESET (active low), PF6, RESET, USART2 XCK (alternate), LUT3-OUT (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| GND | JP2 · 19 | ground | — | ground | — | — | — | — | — | — | — |
| D2 | JP2 · 20 | gpio | PA0 | D2, PA0, EXTCLK, USART0 TxD, TCA0 0-WO0, LUT0-IN0 | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D3 | JP2 · 21 | gpio | PF5 | D3, PF5, PWM, AIN15, USART2 RxD (alternate), TCA0 0-WO5 (alternate), TCB1-WO (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D4 | JP2 · 22 | gpio | PC6 | D4, PC6, USART1 XCK (alternate), LUT1-OUT (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D5 | JP2 · 23 | gpio | PB2 | D5, PB2, PWM, USART3 XCK, TCA0 0-WO2 (alternate), EVOUTB | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D6 | JP2 · 24 | gpio | PF4 | D6, PF4, PWM, AIN14, USART2 TxD (alternate), TCA0 0-WO4 (alternate), TCB0-WO (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D7 | JP2 · 25 | gpio | PA1 | D7, PA1, USART0 RxD, TCA0 0-WO1, LUT0-IN1 | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D8 | JP2 · 26 | gpio | PE3 | D8, PE3, AIN11, SS (alternate), TCA0 0-WO3 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D9 | JP2 · 27 | gpio | PB0 | D9, PB0, PWM, USART3 TxD, TCA0 0-WO0 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D10 | JP2 · 28 | gpio | PB1 | D10, PB1, PWM, USART3 RxD, TCA0 0-WO1 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D11 | JP2 · 29 | gpio | PE0 | D11, PE0, SPI MOSI, AIN8, MOSI (alternate), TCA0 0-WO0 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| D12 | JP2 · 30 | gpio | PE1 | D12, PE1, SPI MISO, AIN9, MISO (alternate), TCA0 0-WO1 (alternate) | 3.5–5.2 V | -0.2–1.5 V | ≥ 4 V | ≤ 1 V | ≤ 40 mA | ≤ 40 mA | yes |
| +3V3 | debug pads (3x2, bottom) · 1 | power out | — | power_out | — | — | — | — | — | — | — |
| SWD | debug pads (3x2, bottom) · 2 | debug | — | SAMD11 SWD | — | — | — | — | — | — | — |
| SWCLK | debug pads (3x2, bottom) · 3 | debug | — | SAMD11 SWCLK | — | — | — | — | — | — | — |
| GND | debug pads (3x2, bottom) · 5 | ground | — | ground | — | — | — | — | — | — | — |
| RST | debug pads (3x2, bottom) · 6 | control | — | SAMD11 RST | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| Arduino Store (USA) | 12.9 USD | in_stock | 2026-09-24 | https://store-usa.arduino.cc/products/arduino-nano-every |

## FAQ

**What microcontroller does the Arduino Nano Every use?**

The Arduino Nano Every is built around the ATmega4809-AU, alongside ATSAMD11D14A, MPM3610AGQV-P, AP2112K-3.3TRG1.

**How many GPIO pins does the Arduino Nano Every have?**

22 GPIO pins are exposed. Xirkit documents 35 board pins, 25 of them with pin-level electrical limits.

**Are the Arduino Nano Every I/O pins 5 V tolerant?**

Yes, the documented I/O pins are 5 V tolerant. Input-high threshold: 3.5–5.2 V.

**How much current can a Arduino Nano Every GPIO pin source?**

Documented output-high current per pin: ≤ 40 mA. Values are traced to the chip datasheet; see the pinout table for per-pin limits and conditions.

**What voltage powers the Arduino Nano Every?**

Supply range 4.8–21 V. Power inputs: VIN (?–21 V).

**How much does the Arduino Nano Every cost?**

From $12.9 at Arduino Store (USA). Prices are observed unit prices before tax and shipping.

**What are the Arduino Nano Every dimensions?**

43.18 × 17.78 mm. A STEP model is available for enclosure fit checks.

**Which interfaces does the Arduino Nano Every support?**

gpio, spi, led, adc, pwm, event, analog, comparator, ccl, i2c, uart, timer, control, clock, debug, usb.

**How do I program the Arduino Nano Every?**

Supported frameworks: Arduino IDE, Arduino Cloud.

**Where does this Arduino Nano Every data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [Arduino Nano Every datasheet](https://docs.arduino.cc/resources/datasheets/ABX00028-datasheet.pdf)
- [Arduino Store (USA) listing](https://store-usa.arduino.cc/products/arduino-nano-every)

## Part graph

### Built from

- [ATmega4809-AU](https://www.xirkit.io/products/category/dev-boards/atmega4809-au) — main processor on the Arduino Nano Every
- ATSAMD11D14A — usb uart bridge on the Arduino Nano Every
- MPM3610AGQV-P — buck converter on the Arduino Nano Every
- AP2112K-3.3TRG1 — ldo regulator on the Arduino Nano Every

### Alternatives (by use case)

- [Arduino UNO R4 Minima](https://www.xirkit.io/products/arduino-uno-r4-minima-4540) — Both serve 5 v sensors — check the trade-offs; $12.9 vs $20

### Pin-compatible

- [Arduino Nano](https://www.xirkit.io/products/arduino-nano-b854) — Same form factor and header layout as the Arduino Nano — pin-compatible, different main chip