Top Single Board Computers for IoT & DIY Projects – Robocraze

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Single Board Computers (SBCs)

Single Board Computers (SBCs) like Rock SBCs, ESP32 development boards, ATTINY85 modules, and other compact computing platforms offer powerful performance in a small form factor. These boards are perfect for DIY electronics, IoT development, robotics, automation, home servers, and embedded learning projects. Whether you’re a beginner experimenting with microcontrollers or an advanced developer building edge-computing solutions, this collection brings together versatile SBCs designed for real-world applications.

SBC Comparison Table

Compare specifications of popular single-board computers (SBCs) to choose the right one for your project.

Board	Processor	RAM	Storage	Connectivity	Best Use
Rock SBC (Rockchip Series)	Quad/Hexa-core ARM (RK3328 / RK3399)	2GB – 8GB	microSD / eMMC	USB 3.0, HDMI, WiFi, Ethernet	AI, media centers, Linux desktops
ATTINY85 Dev Board	8-bit AVR microcontroller	512B SRAM	On-chip flash (8KB)	USB (via programmer)	Small automation, IoT nodes, DIY
ESP32 SBC Variants	Dual-core Xtensa	520KB SRAM	Flash (2–16MB)	WiFi + Bluetooth	IoT devices, robotics, automation
Banana Pi / Orange Pi	Quad-core ARM	1GB – 4GB	microSD	HDMI, WiFi, Ethernet	Home servers, NAS, Linux projects

Setup Guides for Rock SBC, ATTINY85 & Others

Rock SBC Initial Setup

Download the recommended OS image (Debian/Ubuntu/Android).
Flash the OS using Balena Etcher.
Insert microSD and power on.
Connect HDMI, keyboard, and mouse for first boot.
Update system packages and drivers.

ATTINY85 Setup (Using Arduino IDE)

Install ATTINY board support from “Additional Board URLs”.
Connect via USB ISP programmer.
Select ATTINY85 (Internal 8 MHz) from board selection.
Upload simple blink or sensor code.

ESP32 / Other SBC Setup

Install ESP32 / SBC board packages in Arduino IDE or PlatformIO.
Connect via USB cable.
Select board → choose port → upload code.
Install required libraries (WiFi, MQTT, sensors).

IoT Use Cases with SBCs

Smart home automation (lights, sensors, switches).
Weather stations & environmental monitoring.
Data logging with WiFi or cloud dashboards.
Robotics controllers & motor automation.
Mini servers for AI, ML models, and edge computing.
Industrial control, relay automation, and gateways.

GPIO Pinout Diagrams & Code Examples

ATTINY85 Pinout

       _______
  PB5 |•     | VCC
  PB3 |      | PB2
  PB4 |      | PB1
 GND  |______| PB0

ATTINY85 Blink Example


void setup() {
  pinMode(0, OUTPUT); // PB0
}
void loop() {
  digitalWrite(0, HIGH);
  delay(500);
  digitalWrite(0, LOW);
  delay(500);
}

ESP32 WiFi Example


#include < wifi.h >

const char* ssid = "YourWiFi";
const char* pass = "Password";

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(200);
  }
  Serial.println("Connected!");
}

void loop() {}

Rock SBC GPIO Example (Python)


import RPi.GPIO as GPIO
import time

GPIO.setmode(GPIO.BCM)
GPIO.setup(18, GPIO.OUT)

while True:
    GPIO.output(18, 1)
    time.sleep(0.5)
    GPIO.output(18, 0)
    time.sleep(0.5)

1. What are single board computers used for?

Single board computers (SBCs) are incredibly versatile mini-computers perfect for a huge range of projects. They are popularly used to create home media centers, retro gaming consoles, and smart home automation hubs. Their small size and efficiency also make them ideal for robotics, Internet of Things (IoT) devices, and even as a basic desktop computer for learning to code or browsing the web.

2. How do SBCs differ from Arduino microcontrollers?

The key difference is that an SBC is a complete computer, whereas an Arduino is a microcontroller. An SBC runs a full operating system like Linux, has a powerful processor, and features RAM to handle complex tasks like web browsing. An Arduino, on the other hand, is designed to run a single, specific program repeatedly, making it perfect for simple electronic control tasks like reading sensors.

3. Can SBCs be used for AI or machine learning?

Yes, absolutely! Modern SBCs are powerful enough for many AI and machine learning (ML) projects, especially for ""Edge AI"" where processing happens on the device. Some advanced boards even include dedicated hardware like TPUs to accelerate ML tasks. This makes them great for building projects involving object recognition, voice commands, and other smart applications without relying on the cloud.

4. Are these compatible with Raspberry Pi accessories?

Compatibility with Raspberry Pi accessories depends on the specific SBC model. Many boards use the same 40-pin GPIO layout and physical form factor, allowing them to work with Pi HATs and cases. However, software and driver support can vary. It's always best to check the product description and community forums to confirm compatibility for specific peripherals like cameras or displays.

5. Which SBC is best for beginner-level IoT projects?

For beginners diving into IoT projects, the Raspberry Pi series is an excellent starting point. It boasts a massive user community, extensive documentation, and thousands of online tutorials. Its built-in Wi-Fi and Bluetooth simplify connectivity, and the vast ecosystem of compatible sensors and accessories makes it easy to get your first smart device project up and running smoothly.