Ganteng Permanen

test with #putty #rx #tx communication prototype breadbroad wiring max232epe maxim ic schematic +5v-powered, multichannel rs-232 drivers/receivers
diy Converter com serial port (10 pin IDC RS232 Motherboard header) old desktop pc RS232 interface to TTL Serial Module 3V ~ 5V Modul UART

common 9-pin connector:
1 DCD : Data Carrier Detect
2 RXD : Receive Data
3 TXD : Transmit Data
4 DTR : Data Terminal Ready
5 GND : System Ground
6 DSR : Data Set Ready
7 RTS : Request to Send
8 CTS : Clear to Send
9 RI : Ring Indicator

pcf8574 ic digital gpio expander i2c scl sda 2 wire interface protocol
PCF8574T + (Seven) 7 Segment common #cathode LED Display Simple one Second Counting Up Numbers & Letters with #arduino – Multi-Dimensional #arrays

Arduino project testing ic address and all available output pinout Single PCF8574/PCF8574T 8 Bit parallel digital GPIO Extender/#expansion/#expander IC using #i2c the two wire interface communication protocol Serial Data (SDA) and Serial Clock (SCL) with Arduino UNO

connect com serial port header pin 2 to pin 3 with jumper dupont cable connector

#scl #sda 2 wires #i2c scan mapping PCF8574T up to 8 possible combination addresses

Soldering and testing solder joint connections with a multimeter SMD PCF8574T A I2C Interface 8-bit IO Expansion GPIO (General Purpose Input Output) pin Expander extender to custom manual cutting SOP16 to DIP16 Adapter plate converter PCB breakout Board

sundut2 #pcf8574 asal nyambung 😉😑✌

Kecil gak muat buat naruh kaki ic, kurang lebar dikit
yowesss potong ajah jadi 2 🤨🙄

PART 1: https://youtu.be/Ua3bQathJjo (Free #IoT Data Server: Create #JSON REST API & PHP File for #ESP8266 Home Automation global network)
PART 2: https://youtu.be/99vEygd93YE (Internet of Things: #Deserialization Parsing JSON Data Values from Web #Server #Arduino ESP8266 Sketch)

MAIN MISSION:
How to operate (control digital input ouput esp8266) simple smart home Automation from anywhere via internet (global network access) with mobile devices (Android smartphone)

Misi Utama:
Kontrol esp8266 darimana saja dengan Henpon Android

PART 1: https://youtu.be/Ua3bQathJjo (Free #IoT Data Server: Create #JSON REST API & PHP File for #ESP8266 Home Automation global network)
PART 3: …

MAIN MISSION:
How to operate (control digital input ouput esp8266) simple smart home Automation from anywhere via internet (global network access) with mobile devices (Android smartphone)

Misi Utama:
Kontrol esp8266 darimana saja dengan Henpon Android

Control digital input ouput esp8266 wifi home automation from internet global network (anywhere)
PART 2:
PART 3: