开发板 — Selection Guide
Start Here — Which Dev Board?
🟢 Just Learning? Start with Arduino Uno R4. Most tutorials, largest community, can not go wrong. Arduino Guide →
📶 Building IoT? Pick ESP32-S3. Built-in WiFi + BLE, deep sleep for battery, under $6. ESP32 Guide →
🤖 Doing AI? Go Jetson Orin Nano. CUDA + TensorRT, 40 TOPS, runs YOLO and LLMs. Jetson Guide →
Quick Comparison
| Board | MCU/SOC | Clock | RAM | Wireless | Best For |
|---|---|---|---|---|---|
| Arduino Uno R4 | RA4M1 (ARM M4) | 48 MHz | 32 KB | WiFi (Minima) | Learning, sensors |
| ESP32-WROOM | Xtensa LX6 | 240 MHz | 520 KB | WiFi+BLE | IoT, LoRa nodes |
| Raspberry Pi 5 | BCM2712 (ARM A76) | 2.4 GHz | 4/8 GB | WiFi+BLE | Edge compute, AI |
| Jetson Orin Nano | ARM A78 + Ampere GPU | 1.5 GHz | 4/8 GB | — | Edge AI, CV |
| M5Stack CoreS3 | ESP32-S3 | 240 MHz | 512 KB | WiFi+BLE | Prototyping |
| STM32F4 Black | ARM M4F | 168 MHz | 192 KB | — | Industrial RT |
How to Choose
- Simple sensors → Arduino — most tutorials, largest community
- WiFi/BLE IoT → ESP32 — built-in wireless, sub-$5
- Linux / AI → Raspberry Pi 5 — full OS, GPIO, USB 3
- Edge AI → Jetson Orin — CUDA, TensorRT
- Fast MVP → M5Stack — modular, UiFlow drag-and-drop
- Industrial RT → STM32 — deterministic timing
Platform Quickstarts
- Arduino · Raspberry Pi · ESP32 · Jetson · M5Stack