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Arduino Nano technical notes

Arduino Nano Technical Specifications

MicrocontrollerATmega328P – 8 bit AVR family microcontroller
Operating Voltage5v
Recommended Input Voltage for Vin pin7-12v
Analog Input Pins 6 (A0 – A5)
Digital I/O Pins14 (Out of which 6 provide PWM output)
DC Current on I/O Pins40 mA
DC Current on 3.3v Pin50 mA
Flash Memory32KB (2 KB is used for Boot loader)
SRAM2 KB
EEPROM1 KB
Frequency (Clock Speed)16 Mhz
CommunicationIIC, SPI, USART
Arduino Nano Pin Out

Arduino Nano Pin Configuration

Pin CategoryPin NameDetails
PowerVin, 3.3V, 5V, GNDVin: Input voltage to Arduino when using an external power source (6-12V).

5V: Regulated power supply used to power microcontroller and other components on the board.

3.3V: 3.3V supply generated by on-board voltage regulator. Maximum current draw is 50mA.

GND: Ground pins.

ResetResetResets the microcontroller
Analog PinsA0 – A7Used to measure analog voltage in the range of 0-5V
Input/Output PinsDigital Pins D0 – D13Can be used as input or output pins. 0V (low) and 5V (high)
SerialRx, TxUsed to receive and transmit TTL serial data
External Interrupts2, 3To trigger an interrupt
PWM3, 5, 6, 9, 11Provides 8-bit PWM output
SPI10 (SS), 11 (MOSI), 12 (MISO) and 13 (SCK)Used for SPI communication
Inbuilt LED13To turn on the inbuilt LED
IICA4 (SDA), A5 (SCA)Used for TWI communication
AREFAREFTo provide reference voltage for input voltage
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Datasheet

NXP RF Manual 14th Edition

Application and design manual for High Perfomance RF products from low to high power signal conditioning & high speed data converters.



nxp_rf_manual_14th_edition

Download the PDF Document here



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Datasheet

National Semiconductor Voltage Regulator Handbook 1980

The National Semiconductor Voltage Regulator Handbook is an indispensable tool for power supply circuit design and trouble shooting tool. Reading the book will help you quickly trouble shoot power supply related problems as the designs are integrated on most power supplies circuit available on the market. Whether you are trouble shooting or designing a new project the handbook will quickly point you to the application circuit by searching for the regulator IC number used on the existing power supply for quick trouble shooting, or you can design your own by using the application circuit for reference. A must have for trouble shooters and Amateur Radio enthusiast.


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Download the PDF Document here

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Datasheet

Baofeng UV5R RF Finals (RQA0009SXAQS)

Another RF Finals for Baofeng UV5R (RQA0009SXAQS) this is the original RF finals appearing on schematics diagram of Baofeng radio’s. However on my UV5R (two units) the RF finals is (AFT05MS004NT1) both are N-Channel Mosfet, with almost similar specification.

Download here

Please leave a message to confirm that there are different RF Finals variant attached to Baofeng radio’s.

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Datasheet

QYT KT 8900 and Variants RF Finals (AFT05MS006NT1)

Datasheet for RF Finals for QYT KT8900 Juentai JT-6188 aka MP300, 8900mini
VHF / UHF Compact Mobile Frequency Range 136-174 / 400-480 MHz

Download here

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Datasheet

Baofeng UV5R RF Finals (AFT05MS004N) Datasheet

Datasheet for UV5R radio finals and variant.




AFT05MS004N

Download here
Download Baofeng UV5R Schematic Diagram here

Please leave a message to confirm that there are different RF Finals variant attached to Baofeng radio’s.




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