Ganteng Permanen

ODP = Over Discharge Protection led nyala biru & merah kelap kelip = gak ada beban gak konek kemana mana led nyala #biru = full #charge led nyala #merah = otw charging

Create a html file to control common cathode 7-Segment LED Display with ESP8266 ESP-01 wifi module and PCF8574 I2C interface serial clock (SCL), serial data (SDA) GPIO Expander via browser on #local #network #wifi

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 🤨🙄