meta data for this page
  •  

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Next revision		Previous revision
micro:start [2026/07/07 18:42] – created vamsanmicro:start [2026/07/07 19:53] (current) – vamsan
Line 2: Line 2:
  
  
-[[arduino:index|Arduino]] \\ +♦ [[arduino:index|Arduino]] \\ 
-[[esp:index|ESP32/ESP8266]] \\ +♦ [[esp:index|ESP32/ESP8266]] \\ 
-[[raspberry:index|Raspberrys]] \\+♦ [[raspberry:index|Raspberrys]] \\ 
 + 
 +The ideal microcontroller depends on whether your project requires high processing power, low-cost wireless connectivity, or high hardware durability. 
 + 
 +A direct comparison of classic Arduino (e.g., Uno R3), ESP32/ESP8266, and the Raspberry Pi RP2040 (often called the Raspberry Pi Pico / Nano form factors). 
 + 
 +^Feature^[[arduino:index|Classic Arduino (Uno R3)]]^[[esp:index|ESP8266 / ESP32]]^[[raspberry:index|Raspberry Pi RP2040 (Pico)]]| 
 +^Processor Type|8-bit AVR (Atmega328P)|32-bit Tensilica Single/Dual-Core|32-bit ARM Cortex-M0+ Dual-Core| 
 +^Clock Speed|16 MHz|80 MHz (ESP8266) / 240 MHz (ESP32)|133 MHz (Overclockable)| 
 +^SRAM (Memory)|2 KB|160 KB (ESP8266) / 520 KB (ESP32)|264 KB| 
 +^Flash Storage|32 KB|1 MB to 16 MB|2 MB to 16 MB (External)| 
 +^Operating Voltage|5V (Highly durable)|3.3V (Sensitive to 5V)|3.3V (Sensitive to 5V)| 
 +^Native Wireless|None|Built-in Wi-Fi & Bluetooth (ESP32)|None (Requires Pico W variant)| 
 +^Special Feature|Massive shield ecosystem|Hardware cryptographic acceleration|PIO (Programmable I/O) State Machines| 
 +^Best Used For|Beginners & 5V legacy sensors|Smart Home & IoT cloud projects|High-speed processing & custom protocols| 
 +^Primary Language|Arduino C++|Arduino C++, ESP-IDF (C)|MicroPython / CircuitPython, C/C++| 
 +^Flashing Method|Serial (UART) via Bootloader|Serial (UART) with Auto-Reset|USB Mass Storage (UF2 Drag & Drop)| 
 +^Recovery Mode|Hardware programmer (ISP)|Boot Pin (GPIO 0) to Ground|BOOTSEL Button on power-up| 
 +^Interpreter Support|No (Compiled binary only)|Limited (Basic MicroPython)|Native / Built-in (Excellent for Python)| 
 +^Execution Mode|Single-threaded (Sequential)|FreeRTOS (Multi-threaded)|Hardware Dual-Core (Symmetric)| 
 +^OTA Updates|No (Requires special shields)|Native Wi-Fi OTA Flashing|No (Requires custom implementation)| 
 +