![]() ![]() Because of the onboard regulator, the input voltage is converted to the suitable 3.3V for the microcontroller with ease. ![]() All the sensors and actuators connected to the board should be rated at 3.3V only. Please note that the operating voltage of the board is 3.3V. So there’s no way to get 5V out of the board in this case. When powered from the VIN pin(voltage can be anywhere between 6 V to 21 V), the VUSB pin doesn’t give 5V. Since there is no dedicated 5V pin, VUSB is the only option in this case. When powered using a USB-C cable(voltage can be anywhere between 4.8 V to 5.5 V), the VUSB pin gives 5V. There are two ways to power the board- Using the USB-C connector and VIN pin. Use any GPIO for Chip Select (CS) Power I/O Voltage 3.3 V Input voltage (nominal) 6-21 V Source Current per I/O Pin 40 mA Sink Current per I/O Pin 28 mA Clock speed Processor up to 240 MHz Memory ROM 384 kB SRAM 512 kB External Flash 128 Mbit (16 MB) Dimensions Width 18 mm Length 45 mm Arduino Nano ESP32 Specifications Given below are the specifications of Nano ESP32 in tabular form: Microcontroller u-blox NORA-W106 (ESP32-S3) WiFi + Bluetooth ESP32-S3(SOC) USB connector USB-C Pins Built-in LED Pin 13 Built-in RGB LED pins 14-16 Digital I/O Pins 14 Analog input pins 8(12-Bit) PWM pins 5(13-Bit) External interrupts All digital pins Communication UART 2x I2C 1x, A4 (SDA), A5 (SCL) SPI D11 (COPI), D12 (CIPO), D13 (SCK). ![]()
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