Civilian alert. OBZhD

BASICS OF SAFE LIFE
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Civilian alert. Basics of safe life

Fundamentals of Safe Life Activities (OBZhD)

RџSЂRё accident and the threat of chemical or radioactive contamination of the environment the population is notified via wired broadcasting networks, through outdoor and apartment loudspeakers, local radio and television broadcasting stations.

Sirens, intermittent beeps of enterprises, as well as signals from special vehicles - this is the civil defense signal "Attention everyone!" Hearing it, you must immediately turn on the radio broadcast network speaker, radio, TV, tuning them to the main local broadcast program, and listen to emergency messages from local authorities or the civil defense headquarters. All further actions are determined by their instructions.

Actions on civil defense warning signals:

on the signal "Air raid!": quickly leave the premises and take cover in the nearest shelter, anti-radiation or other shelter; act calmly, without panic.
on the signal "All-clear air raid alarm": with the permission of the commandant, leave the shelter (shelter); return to work.
at the signal "Radiation danger!": put on a gas mask, cotton-gauze bandage or anti-dust fabric mask; take a supply of food, documents, essentials and take shelter in a shelter or radiation shelter.
on the signal "Chemical alarm!": quickly put on a gas mask and protective clothing, take cover in a shelter.

Authors: Aizman R.I., Krivoshchekov S.G.

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Microchip dsPIC16CK33MC 64-bit microcontrollers 05.04.2021

Microchip has expanded its line of high-performance 16-bit MCUs with cost-optimized devices in compact packages. The dsPIC33CK64MC series consists of six devices with either 32 kB or 64 kB program memory in 28, 36, or 48 pin packages.

The devices have an extended operating temperature range of -40...150˚C and are designed to perform the following tasks:

1. Motor control - brushless, synchronous, asynchronous and stepper. It is realized thanks to the presence of high-resolution PWM modules and an encoder connection interface.

2. Pairing various sensors with a higher-level controller via the SENT interface thanks to rich analog peripherals - a high-speed 12-bit ADC, operational amplifiers and, in fact, the SENT interface.

The dsPIC33CK64MC microcontrollers are a price-optimized version of the dsPIC33CK64MP series. The amount of memory and the body remained unchanged, and the quantitative composition of the periphery was cut.

Characteristics of microcontrollers dsPIC33CK64MC:

clock frequency up to 100 MHz;
32 or 64 KB ECC Flash, 8 KB SRAM;
high-speed 12-bit ADC, 3.5 MSPS;
one 12-bit DAC, one comparator;
two or three operational amplifiers;
four dual-channel high-resolution PWM modules;
encoder connection interface (QEI);
serial interfaces: 3xUART, 2xSPI, 2xI2C, SENT interface;
cases:
28 pins (SSOP, UQFN);
36 pins (UQFN);
48 pins (TQFP, UQFN).
supply voltage range 3,0...3,6 V;
operating temperature range -40...150°C.

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