Arduino Nano RP2040 Connect Pinout: RP2040, Wi-Fi, BLE and IMU
Arduino Nano RP2040 Connect pinout guide: RP2040 GPIO, PIO, 12-bit ADC, NINA-W102 Wi-Fi/BLE, LSM6DSOX IMU, PDM microphone, SPI, I2C, UART, USB, RGB LED and analog-input quirks.
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Programming the ESP32-S3 on Arduino UNO R4 WiFi: WiFiS3, USB and Firmware
Understand and program the ESP32-S3 on Arduino UNO R4 WiFi: WiFiS3 architecture, USB bridge, ESP header, download mode, firmware updates, direct ESP32 flashing and recovery.
Arduino Nano 33 BLE Pinout: nRF52840, GPIO, ADC, PWM and BLE
Arduino Nano 33 BLE Rev2 pinout guide: nRF52840 GPIO, 12-bit ADC, flexible PWM, SPI, I2C, UART, native USB, Bluetooth LE, 9-axis IMU, NFC capability, power limits and 3.3 V wiring.
Arduino UNO R4 WiFi vs ESP32-C6: Wi-Fi 6, Matter, CAN and GPIO Compared
Arduino UNO R4 WiFi vs ESP32-C6 compared: 5 V RA4M1 vs 3.3 V RISC-V, Wi-Fi 4 vs Wi-Fi 6, Matter/Thread, Bluetooth, CAN/TWAI, ADC, DAC, RTC, USB, GPIO and which board fits your project.
Arduino Nano 33 IoT Pinout: SAMD21, Wi-Fi, BLE, ADC and I2C
Arduino Nano 33 IoT pinout guide: SAMD21 GPIO, 12-bit ADC, 10-bit DAC, PWM, SPI, I2C, UART, native USB, NINA-W102 Wi-Fi/BLE, IMU, crypto chip and 3.3 V power limits explained.
Arduino UNO R4 WiFi Qwiic and I2C Guide: Wire vs Wire1 Explained
Arduino UNO R4 WiFi I2C and Qwiic guide: understand Wire vs Wire1, 5 V vs 3.3 V buses, A4/A5, SDA/SCL, Qwiic wiring, device scanning, clock speed, library compatibility and troubleshooting.
Arduino Nano Matter Pinout: GPIO, Thread, Matter, BLE and USB-C
Arduino Nano Matter pinout guide for the Silicon Labs MGM240S: 3.3 V GPIO, 12-bit ADC/DAC, SPI, I2C, UART, PWM, Matter over Thread, BLE 5.3, Zigbee, USB-C debugging and power.
Arduino UNO R4 WiFi vs ESP32-S3 DevKitC: 5V Arduino or Native ESP32?
Arduino UNO R4 WiFi vs ESP32-S3 DevKitC-1 compared: RA4M1 vs native ESP32-S3, 5 V vs 3.3 V GPIO, CPU speed, RAM, Wi-Fi, Bluetooth, USB, ADC, DAC, CAN, PSRAM, pin count and which board fits your project.
Arduino UNO R4 WiFi LED Matrix Guide: Graphics, Animation and Memory
Complete Arduino UNO R4 WiFi LED matrix guide: draw 12x8 bitmaps, create animations, scroll text, understand frame encoding and memory use, and build practical status displays and mini games.
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.