AVR → EEPROM in microcontrollers AVR Atmega

EEPROM, Atmega

Microcontrollers AVR Atmega48 / 88/168/328 contain the EEPROM memory of 256/512/512 / 1K bytes , respectively. EEPROM in AVR microcontrollers can support up to 100,000 write cycles. Access to non-volatile memory is carried out through three types of registers:

• EEARH, …

Fiber Optic Transmission Lines → FOTL - Tutorial 009. Passive Components FOL

волс, fiber, компоненты

Passive Components Fiber-optic communication lines are divided into the following types:

• optic connectors and splitters;
• optical converters;
• optical isolators;
• optical switches.

Splitters

The most important passive components are FOL optic connectors and splitters, which are used for consolidation or separation …

Fiber Optic Transmission Lines → FOTL - Tutorial 008. Installation of optical couplers

fiber, волс, монтаж

Installation of couplings

Mounting of couplings shall be in accordance with installation instructions for the particular type of coupling of the manufacturer (supplier) couplings. Connection of optical fiber mounting couplings should be carried out under the control of the welding …

Fiber Optic Transmission Lines → FOTL - Tutorial 007. Structure and classification of optical couplers

волс, конструкция, fiber

Introduction

Currently, the Russian market is widely featured products, both domestic and foreign manufacturers of optical couplings for installation of cables. Widely known and used clutch of such manufacturers as: Raychem (Belgium), Reichle & DeMassari (Switzerland), RXS / Simens (Germany), …

Android → The file on the Android OS. Read and write operations

write, file, Android, read

Read and write operations to file are standard functionality of any applications that are logging the events, work with files, up to the transfer of data over the network. In this article, we consider methods of recording information in the …

Data Transmission Technologies → Circuit switching and packet data transmission networks

коммутация каналов, составной канал, коммутация пакетов, дейтаграммная передача, виртуальный канал, элементарный канал

Circuit switching and packet - it's methods for solving the generalized problem of switching data in any network technology. Complex technical solutions of the generalized switching tasks in its entirety consists of the particular problems of data transmission networks.

By …

Fiber Optic Transmission Lines → FOTL - Tutorial 006. Installation of fiber-optic communication lines

fiber, волс, монтаж

Basic concepts and definitions

The most responsible operation in the process of construction of fiber-optic, predetermining the quality and range is the installation of optical fibers. Such a combination of fibers and installation cables are produced in the manufacturing process …

Fiber Optic Transmission Lines → FOTL - Tutorial 005. Fiber-optic cables. Classification

ВОК, волс, fiber

Classification of fiber optic cables

Fiber-optic cables (FOC) - a cable products, containing a number of optical fibers and the reinforcing member enclosed in a common envelope, on top of which, depending on the operating conditions of the protective cover …

Data Transmission Technologies → Сampus network

Кампусные сети, корпоративная сеть, сеть отдела, сеть предприятия, сеть рабочей группы

Introduction

Corporate Network - a network whose primary purpose is to maintain the operation of a particular enterprise that owns this network. Corporate network users are the only employees of the company.

In contrast to the prodier networks, enterprise networks, …

Data Transmission Technologies → Standardize Data Transfer Technology

Стандартизация, ЛВС, ШПД

Standardization and sources of standards

Universal argument about the benefits of standardization, which is valid for all industries, computer networks is of particular importance. The essence of the network - the connection of various equipment, and therefore there is a …