Author - Ligo George

Zero Drop Solar Priority Charger Inverter

Zero Drop Solar Priority Charger – Technology Transfer

Zero Drop Solar Priority Charger & Inverter This is a professionally designed intelligent solar priority charge controller. This device automatically cuts AC mains and run in the inverter mode when there is solar power. So the load will run by the power generated by solar panel array. It will automatically switch to AC mains when the battery voltage drops to 30% or solar power vanishes. It is very userfriendly and can work with LCD and/or LED indications. It can work with both...

April 2, 2014By Technology Transfer, , Comments OffRead more...
PIC16F877A

Configuration Bits in Mid-Range PIC Microcontrollers

Device Configuration Bits allows the programmer to adjust certain condition that determines the operation modes of the microcontroller. That is the state of Configuration Bits determines the mode in which device operates when it is powered. These configuration bits are mapped in the program memory location 2007h. This location can't be accessed during normal operation and can be accessed only at the time of programming. Their placement is automatically taken care by the device programmer or ICSP programmer. Hence selection...

February 13, 2014By PIC Microcontroller, Tutorials, , , 1 CommentRead more...
PL2303 USB to UART Converter

Getting Started with PL2303 USB to UART Converter

USB to UART Converter is a very useful tool for Embedded Systems. If you haven't one, please try to buy it. It will definitely boost development speed of projects which uses UART modules like interfacing GSM, GPS, Bluetooth, Wi-Fi ...  By using it we can easily study these modules by sending data directly from your PC and analyzing the received data in your computer display without programming a microcontroller. Here we will use PL2303, one of the most popular USB...

November 21, 2013By Tutorials, , 30 CommentsRead more...
Pulse Width Modulation

Generating PWM with PIC Microcontroller using Hi-Tech C

PWM (Pulse Width Modulation) is a powerful technique used to generate analog voltage using digital signals. It has a wide variety of applications such as controlling average power delivered to a load, generating analog voltage level, sine wave generation and DC Motor speed control. PWM signals are ON-OFF signals (hence the name Pulse) whose ON duration are changed (hence Width Modulation) according to our requirements. The fraction of time period for which the signal is ON to total time period is...

October 23, 2013By Hi-Tech C, PIC Microcontroller, Tutorials, , , , , 35 CommentsRead more...
Condenser Mic

Condenser Microphone

Condenser Mic You might know that Condenser means Capacitor, the electronic component which stores electrical energy in the form of electrostatic field. As the name indicates the condenser microphone uses a capacitor to convert sound (pressure variations) to electrical signals. Hence it is also called Electrostatic Microphone. We all know that a capacitance will be created when two parallel plate conductors are separated by a distance. The created capacitance will be directly proportional to the area of the plates and inversely...

September 15, 2013By Electronics, Sensors, , 4 CommentsRead more...
UART Communication

Using UART of PIC Microcontroller – Hi Tech C

UART stands for Universal Asynchronous Receiver / Transmitter. It is a serial communication interface which uses two lines for sending (TX) and receiving (RX) data. As its name indicates it is an asynchronous communication interface, which means it doesn't need to send clock along with it as in synchronous communications. UART is the communication standard of our old computer's RS-232 serial port. Most of the Microchip's PIC Microcontrollers have built in USART Module. USART stands for Universal Synchronous Asynchronous Receiver...

August 8, 2013By Hi-Tech C, PIC Microcontroller, Tutorials, , , , , , 46 CommentsRead more...
16x2 Character LCD

Interfacing LCD with PIC Microcontroller – Hi Tech C

16x2 Character LCD is a very basic LCD module which is commonly used in electronics projects and products. It contains 2 rows that can display 16 characters. Each character is displayed using 5x8 or 5x10 dot matrix. It can be easily interfaced with a microcontroller. In this tutorial we will see how to write data to an LCD with PIC Microcontroller using Hi-Tech C Compiler. Hi-Tech C has no built in LCD libraries so we require the hardware knowledge of...

July 22, 2013By Hi-Tech C, PIC Microcontroller, Tutorials, , , , , 94 CommentsRead more...
ADC_Symbol

Using ADC Module of PIC Microcontroller – Hi Tech C

Analog to Digital Converter (ADC) is a device that converts an analog quantity (continuous voltage) to discrete digital values. This is very useful when we want to do some processing on physical quantities, which are normally analog in nature. Most of the PIC Microcontrollers have built in ADC Module. Here we are using PIC 16F877A for demonstrating the working. ADC_Symbol ADC of PIC Microcontrollers have 5 inputs for 28 pin devices and 8 inputs for 40/44 pin devices. It is a 10-bit...

July 10, 2013By Hi-Tech C, PIC Microcontroller, Tutorials, , , , , 113 CommentsRead more...
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