💡 Interfacing 128x64 OLED (SSD1306) with Raspberry Pi Pico

Small displays can significantly enhance embedded and IoT projects. This guide walks through:
✔ Connecting SSD1306 OLED via I2C
✔ Writing MicroPython code for display output
✔ Rendering text and basic graphics

A practical resource for students, educators, and developers building interactive hardware projects.

🔗 Explore the full guide:
https://tech.arunkumarn.in/blogs/raspberry-pi-pico/interfacing-128x64-monochrome-oled-ssd1306-with-raspberry-pi-pico/

#EmbeddedSystems #IoT #MicroPython #RaspberryPi #Electronics #STEMEducation

Visualizing data is key to any successful embedded project. The SSD1306 OLED display is one of the most popular choices for the Arduino Nano due to its compact size and low power consumption.

I've published a comprehensive technical guide on "Interfacing a 128x64 Monochrome OLED with Arduino Nano."

Key Highlights:
🔹 Utilizing the I2C protocol for simple 4-wire connectivity.
🔹 Implementing the Adafruit GFX library for complex UI elements.
🔹 Step-by-step troubleshooting for common "Old Bootloader" upload errors.
🔹 Code snippets for real-time sensor dashboards and UI animations.

This is a foundational project for anyone looking to build professional-grade IoT prototypes or monitoring systems.

Read the full breakdown: https://tech.arunkumarn.in/blogs/arduino-nano/interfacing-128x64-monochrome-oled-ssd1306-with-arduino-nano/

#Arduino #EmbeddedSystems #IoT #ElectronicsEngineering #Makers #Prototyping

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Data visualization is a critical skill for any embedded systems developer. The SSD1306 OLED is a staple in the prototyping world, offering high contrast and easy integration via I2C.

I've just released a technical guide on "Interfacing a 128x64 Monochrome OLED with Arduino UNO."

Highlights of the tutorial:
🔹 Leveraging the Adafruit GFX and SSD1306 libraries for rapid development.
🔹 Understanding I2C pin mapping on the ATmega328P.
🔹 Dynamic buffer management for smooth UI rendering.
🔹 Troubleshooting common communication and power issues.

Perfect for students and professionals building monitoring systems, IoT nodes, or custom handheld tools.

Check out the technical breakdown: https://tech.arunkumarn.in/blogs/arduino-uno/interfacing-128x64-monochrome-oled-ssd1306-with-arduino-uno/

#EmbeddedSystems #ArduinoUNO #IoT #Prototyping #ElectronicsEngineering #TechGuide

💡 Controlling a Servo Motor with Raspberry Pi Pico using MicroPython

Servo motors are essential for precise motion control in embedded systems and robotics.

This guide covers:
✔ Interfacing a servo with Pico
✔ Using PWM for angle control
✔ Writing MicroPython code for real-time movement

A valuable resource for students, educators, and developers working on hardware projects.

🔗 Explore the full guide:
https://tech.arunkumarn.in/blogs/raspberry-pi-pico/how-to-control-a-servo-motor-with-raspberry-pi-pico-using-micropython-complete-guide/

#EmbeddedSystems #IoT #Robotics #MicroPython #RaspberryPi #STEMEducation

💡 Interfacing a Servo Motor with Arduino Nano

Servo motors are widely used in robotics and automation for precise angular control.

This guide walks through:
✔ Connecting servo (VCC, GND, Signal) to Nano
✔ Using PWM signals for accurate positioning
✔ Writing Arduino code using built-in Servo library

A practical resource for students, educators, and embedded developers.

🔗 Read the full guide:
https://tech.arunkumarn.in/blogs/arduino-nano/interfacing-servo-motor-with-arduino-nano-complete-guide-with-code/

#EmbeddedSystems #Arduino #Robotics #IoT #STEMEducation #Programming

🔧 New Guide: Servo Motor Control with Arduino Uno – Complete Tutorial

Just published a comprehensive resource for embedded developers, educators, and makers:

🔹 Servo fundamentals: PWM signals, pulse width timing & voltage specs
🔹 Hardware wiring: Arduino Uno ↔ Servo ↔ External power supply considerations
🔹 Library deep-dive: Arduino Servo library API (attach, write, writeMicroseconds)
🔹 Code examples: angle positioning, continuous sweep, potentiometer input, button trigger
🔹 Power management: avoiding brownouts, capacitor buffering, signal noise reduction
🔹 Troubleshooting guide: jitter fixes, signal integrity, common wiring mistakes

Ideal for robotic arms, pan-tilt mechanisms, automated prototypes, or teaching embedded control concepts.

👉 Read the full guide: https://tech.arunkumarn.in/blogs/arduino-uno/interfacing-servo-motor-with-arduino-uno-complete-guide-with-code/

#EmbeddedSystems #Arduino #ServoMotor #Robotics #FirmwareDevelopment #HardwareEngineering #STEM #Prototyping

💡 Interfacing a Joystick with Raspberry Pi Pico using MicroPython

Joysticks are powerful input devices for interactive embedded systems.

This guide covers:
✔ Connecting joystick (X, Y axes + button) to Pico
✔ Reading analog input via ADC
✔ Converting values into directional controls

Useful for building robotics, game controllers, and real-time IoT systems.

🔗 Read the full guide:
https://tech.arunkumarn.in/blogs/raspberry-pi-pico/how-to-connect-a-joystick-to-raspberry-pi-pico-using-micropython/

#EmbeddedSystems #IoT #MicroPython #RaspberryPi #Robotics #STEMEducation

🔧 New Tutorial: KY-023 Joystick Interfacing with Arduino Nano

Just published a beginner-focused guide for embedded developers and hardware prototypers:

🔹 KY-023 module overview: dual potentiometers + momentary switch
🔹 Hardware wiring: Nano analog pins (A0/A1) for axes, digital pin for button
🔹 Code implementation: analogRead(), value mapping, center calibration
🔹 Software debouncing techniques for reliable button detection
🔹 Practical examples: threshold triggers, 2D position logging, menu navigation
🔹 Troubleshooting tips for drift, noise & inconsistent readings

Ideal for building custom controllers, robotics teleoperation interfaces, interactive installations, or educational STEM projects.

👉 Read the full guide: https://tech.arunkumarn.in/blogs/arduino-nano/ky-023-joystick-%2B-arduino-nano-wiring-code-%26-calibration-for-beginners/

#EmbeddedSystems #Arduino #Joystick #KY023 #FirmwareDevelopment #HardwareEngineering #Prototyping #STEM

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💡 Interfacing KY-023 Joystick with Arduino Uno

Joysticks are essential input devices for interactive embedded systems and robotics.

This guide walks through:
✔ Wiring KY-023 joystick (X, Y axes + push button)
✔ Reading analog signals using Arduino ADC
✔ Implementing calibration for accurate control

A practical resource for students, educators, and developers building real-time control systems.

🔗 Read the full guide:
https://tech.arunkumarn.in/blogs/arduino-uno/ky-023-joystick-%2B-arduino-uno-wiring-code-%26-calibration-for-beginners/

#EmbeddedSystems #Arduino #IoT #Robotics #Programming #STEMEducation