Docciel

Docciel Learn to Design, Code & Build Smart Electronics
🚀Embedded Systems ⚙️ | Arduino🔌 | IoT 💡
⚡ Building Smart Devices from Scratch⚡
• Learn • Create • Innovate •

25/10/2025

💻 Understanding the “for loop” in Arduino — Scrolling Text on LCD
In this short tutorial, I demonstrate how the for loop controls text movement across a 16x2 LCD display.
You’ll see how each iteration shifts characters step by step — making your display come alive! ⚙️
🔹 Learn. 🔹 create. 🔹 Innovate.
With Docciél Technologies — where code meets creativity.

19/10/2025

💻 Interfacing Arduino with LCD — Understanding pinouts, control pins, and data bits.
In this short tutorial, I explain the basics of how the Arduino communicates with a 16x2 LCD using 4-bit mode.
Part1:
“Interfacing Arduino with LCD 💡”
“Understanding pinouts and control pins ⚙️”
“Why we use 4-bit mode instead of 8-bit 🧠”
“Data pins, Enable, and RS explained 💻”
“ — Learn. Create. Innovate

Digital Alarm Clock ⏰ Built from scratch using AT89C52 microcontroller!Programmed in Embedded C, using 7-segment display...
18/10/2025

Digital Alarm Clock ⏰
Built from scratch using AT89C52 microcontroller!
Programmed in Embedded C, using 7-segment displays, buttons, and an alarm feature. AT89C51 Microcontroller”
“Programmed in Embedded C 💻”
“Featuring 7-segment display, buttons & alarm"


18/10/2025

Digital Alarm Clock ⏰
Built from scratch using AT89C52 microcontroller!
Programmed in Embedded C, using 7-segment displays, buttons, and an alarm feature. AT89C51 Microcontroller”
“Programmed in Embedded C 💻”
“Featuring 7-segment display, buttons & alarm"


18/10/2025

🚀 Welcome to Docciél Technologies — where ideas turn into real electronics! 💡
We design, code & build smart devices — from microcontrollers, Arduino, IoT systems.

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Century Mall Alaba Int'l Market
Okpuno Awka

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