Arduino Nano ESP32 Pinout: ESP32-S3 GPIOs, USB, ADC, SPI and I2C
Arduino Nano ESP32 pinout guide: ESP32-S3 GPIO mapping, Arduino vs raw GPIO numbering, USB-C, 12-bit ADC, SPI, I2C, UART, PWM, RGB LED, boot pins, 3.3 V logic, PSRAM and 16 MB Flash.
Arduino UNO R4 vs UNO R3: What Changed and Is It Worth Upgrading?
Arduino UNO R4 vs UNO R3 compared: 32-bit RA4M1 vs 8-bit ATmega328P, speed, memory, 5 V GPIO, ADC, DAC, CAN, RTC, USB-C, shield compatibility and whether upgrading makes sense.
Arduino UNO R4 RTC Guide: Clock, Alarms, Backup Power and Timekeeping
Arduino UNO R4 RTC guide for WiFi and Minima: set and read time, alarms, periodic callbacks, VRTC backup power, NTP synchronisation, daylight-saving handling and practical timekeeping accuracy.
Arduino UNO R4 WiFi vs UNO R4 Minima: Which R4 Should You Buy?
Arduino UNO R4 WiFi vs UNO R4 Minima compared: RA4M1 performance, Wi-Fi, Bluetooth, ESP32-S3, LED matrix, Qwiic, 5 V GPIO, DAC, CAN, RTC, HID and which R4 fits your project.
Arduino UNO R4 ADC and DAC Guide: 14-bit ADC, 12-bit DAC and Analog Accuracy
Arduino UNO R4 ADC and DAC guide covering 10/12/14-bit analogRead(), the 12-bit DAC on A0, 5 V and internal references, LSB size, calibration, source impedance, averaging, noise and real analog accuracy.
Arduino VENTUNO Q vs UNO Q: Which Edge-AI Board Should You Use?
Arduino VENTUNO Q vs UNO Q compared for edge AI, robotics, Linux, NPU performance, cameras, RAM, storage, networking, CAN-FD, power, expansion and real-time control.
Arduino VENTUNO Q Guide: Pinout, AI/Robotics Hardware and Expansion
Complete Arduino VENTUNO Q guide covering the Qualcomm Dragonwing IQ8, STM32H5F5, UNO headers, Qwiic, CAN-FD, MIPI cameras, HDMI, NVMe, JOMEGA/JMEDIA/JMISC, Raspberry Pi HAT expansion, power and edge-AI robotics hardware.
Arduino UNO R4 CAN Bus Guide: Transceivers, Wiring and ArduinoCAN
Use CAN bus on Arduino UNO R4 WiFi and Minima: correct CAN TX/RX pins, transceiver wiring, 120-ohm termination, Arduino_CAN examples, bit rates, IDs, troubleshooting and automotive/industrial tips.
Arduino UNO Q App Lab Guide: Linux, STM32 MCU and Arduino Bridge/RPC
Learn Arduino App Lab on UNO Q: how Debian Linux, Python, the STM32U585 Arduino sketch, Bricks and Bridge/RPC work together, with practical architecture and code examples.
Arduino UNO R4 WiFi vs Nano ESP32: RA4M1 + ESP32-S3 or Pure ESP32-S3?
Arduino UNO R4 WiFi vs Nano ESP32 compared: RA4M1 plus ESP32-S3 companion versus native ESP32-S3, 5 V vs 3.3 V GPIO, CPU, RAM, PSRAM, Wi-Fi, Bluetooth, USB, ADC, DAC, CAN, MicroPython and form factor.