Licky's Column

Wi-Fi Controlled Robot using NodeMCU

by Licky Li

Wi-Fi Controlled Robot using NodeMCU

Components Required NodeMCU (ESP-12e) L293D or L298 motor driver IC 2 x DC motors Ultrasonic Sensors (HC-SR04) 12v Battery 5v Power supply (option...

Difference Between Microcontroller and Microprocessor

by Licky Li

Difference Between Microcontroller and Microprocessor

What is the Microcontroller? The Microcontroller is one kind of simple computer on a single integrated circuit (IC). It includes RAM, ROM, proce...

Design a Battery Powered STM32 Board With USB

by Licky Li

Design a Battery Powered STM32 Board With USB

STMicroelectronics STM32F030C8Tx MCU Silicon Labs CP2102 USB-to-UART Microchip MCP73831 battery management circuit Microchip ATC24C128 EEPROM Texa...

How to Design a Minimal System for a Microcontroller?

by Licky Li

How to Design a Minimal System for a Microcontroller?

Power Supply The STM32 microcontroller has the following types of power supply: Main Power Supply (VDD / VSS) The main power supply refers to the p...

STM32 PCB layout : Best practices for optimal performance

by Licky Li

STM32 PCB layout : Best practices for optimal performance

STM32 microcontrollers are widely used in various electronic applications due to their high performance and low power consumption. The PCB layout o...

ESP8266-01 IoT Smart Relay for Home Automation

by Licky Li

ESP8266-01 IoT Smart Relay for Home Automation

Hardware Required S.No Component Value Qty 1) ESP8266 ESP01 – 1 2) Voltage Regulator AMS1117 3.3V 1 3) SMD Resistors 10K, 1K 1,1 4) P...

555 Timer Stepper Motor Controller Circuit

by Licky Li

555 Timer Stepper Motor Controller Circuit

Hardware Components The following components are required to make Stepper Motor Controller Circuit S.no Component Value Qty 1. IC NE555 Tim...

How to Design Your Own PCB – From Basic Layout Tips

by Licky Li

How to Design Your Own PCB – From Basic Layout Tips

Step 1 - Prepare the Circuit Schematic The PCB layout is based on the circuit schematic diagram which shows the electrical connectivity. Use...

Servo Motor Controller or Servo Motor Driver

by Licky Li

Servo Motor Controller or Servo Motor Driver

Servo motor driver may be used to control a single servo or even a group of servo motors. In many projects where servo motor controlling is the mai...

Smart Home Project – Home automation with Raspberry Pi and Arduino

by Licky Li

Smart Home Project – Home automation with Raspberry Pi and Arduino

Devices Required Let’s start collecting the hardware materials you need to create an automated home: Arduino UNO Raspberry Pi 2 Model B or latest ...

What Are The Components OF Solar Inverter PCB?

by Licky Li

What Are The Components OF Solar Inverter PCB?

Solar inverter PCBs have several electrical components, each performing a unique functionality. Besides, these parts ensure the PCB operates effici...

How Does Solar Inverter PCB Compare To Normal PCB?

by Licky Li

How Does Solar Inverter PCB Compare To Normal PCB?

When purchasing inverters for your application, you may try to consider the difference between solar inverter PCBs and normal inverter PCBs. There ...