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Master Microcontrollers,
IoT & Embedded Systems.

No drivers, no setup. Code, flash, and verify real hardware across Arduino, ESP32, and RP2040 instantly.

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arduino
Arduino Supported
Raspberry Pi Pico Ready

Arduino

If this is your first experience tinkering with electronics, Arduino is the best platform you can start playing with.

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ESP32

Building a sensor network? ESP32 is your one-stop solution for many IoT apps.

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ESP8266

The easiest point of entry to IoT. Great for beginners and advanced users.

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Raspberry Pi Pico

Great for embedded projects and MicroPython/C SDK based builds.

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Basic Electronics

New to the world of electronics? Start here with beginner-friendly tutorials.

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Latest Projects

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JustFlashcreate-simple-esp32-web-server

create-simple-esp32-web-server

Simple blink LED using delay.

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

Arduino Projects

View All
View All
JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.

JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.

JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.

JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.

ESP32 Projects

View All
View All
JustFlashcreate-simple-esp32-web-server

create-simple-esp32-web-server

Simple blink LED using delay.

JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.

JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.

JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.

JustFlashLED Blink – Starter

LED Blink – Starter

First steps: make an LED blink with digitalWrite.

JustFlashLED Fade – PWM Intro

LED Fade – PWM Intro

Control LED brightness using analogWrite (PWM).

JustFlashInterfacing LDR Light Sensor with Arduino

Interfacing LDR Light Sensor with Arduino

Measure ambient light intensity using an LDR and Arduino.