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Esp32.co.uk
  • Arduino

Arduino UNO R3 Pinout: GPIO, PWM, ADC, SPI, I2C and Interrupts

Arduino UNO R3 pinout guide: ATmega328P GPIO, PWM, ADC, UART, I2C, SPI, interrupts, power pins, current limits and safe wiring explained.

  • panakos
  • 27 September 2026
  • 2 Comments
  • Sensors & Components

MAX6675 vs ££: K-Type Thermocouples with ESP32

Compare MAX6675 vs MAX31855 for ESP32 K-type thermocouples. Temperature range, accuracy, fault detection, SPI wiring, ESPHome setup and best use cases.

  • panakos
  • 26 September 2026
  • Raspberry Pi Guides

Raspberry Pi Pico 2 / RP2350 Pinout + Safe GPIOs & Interfaces (2026)

Complete Raspberry Pi Pico 2 / RP2350 pinout guide for 2026: safe GPIOs, ADC, I2C, SPI, UART, PWM, PIO, USB, power pins, BOOTSEL, SWD and MicroPython/Arduino setup.

  • panakos
  • 4 September 2026
  • 5 Comments
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