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Hardware Explorer

Microcontroller Boards

Explore complete interactive pinouts, electrical ratings, safe voltage limits, and 3D interactive views for all supported boards in Robotry Labs.

5 V Logic

Arduino Uno R3

ATmega328P

The classic beginner board: a 5 V, 16 MHz ATmega328P with 14 digital pins (6 with PWM), 6 analog inputs, USB programming and a huge community. Ideal for learning digital and analog electronics.

Microcontroller
ATmega328P, 8-bit AVR
Clock speed
16 MHz
Flash memory
32 KB (0.5 KB used by the bootloader)
SRAM
2 KB
  • 32 total header pins with multiplexed functions
  • Interactive 2D pinout and 3D rotatable model
3.3 V Logic

ESP32 DevKit V1

ESP32-D0WD (dual-core Xtensa LX6)

A 3.3 V dual-core board with Wi-Fi and Bluetooth (Classic + BLE). Many GPIOs, 12-bit ADC, touch sensing and two DAC outputs — but watch out for input-only and boot-strapping pins.

Module
ESP32-WROOM-32 (ESP32-D0WD)
CPU
Dual-core Xtensa LX6, up to 240 MHz
SRAM
520 KB
Flash
4 MB (on the module)
  • 30 total header pins with multiplexed functions
  • Interactive 2D pinout and 3D rotatable model
3.3 V Logic

ESP32-C3-DevKitM-1

ESP32-C3 (single-core 32-bit RISC-V)

A small, low-cost RISC-V board with Wi-Fi and Bluetooth LE 5. Fewer GPIOs than the classic ESP32, no touch, no DAC and no Classic Bluetooth.

Module
ESP32-C3-MINI-1
CPU
Single-core 32-bit RISC-V, up to 160 MHz
SRAM
400 KB
Flash
4 MB (in the module)
  • 30 total header pins with multiplexed functions
  • Interactive 2D pinout and 3D rotatable model
3.3 V Logic

ESP32-S3-DevKitC-1

ESP32-S3 (dual-core Xtensa LX7)

A powerful dual-core board with Wi-Fi, Bluetooth LE 5, native USB OTG, 14 touch pins and AI vector instructions. No DAC and no Classic Bluetooth.

Module
ESP32-S3-WROOM-1 / -1U (flash and PSRAM depend on the variant, e.g. N8R2, N16R8)
CPU
Dual-core Xtensa LX7, up to 240 MHz
SRAM
512 KB (+ optional PSRAM in the module)
Wireless
Wi-Fi 802.11 b/g/n (2.4 GHz), Bluetooth LE 5 (no Classic Bluetooth)
  • 44 total header pins with multiplexed functions
  • Interactive 2D pinout and 3D rotatable model