AT89c51 connections are not working

I need help i programmed at89c51 to blink all the pin0 my circuit is not working please help below are the circuit image (just see the connections and leave the LED part becuz i just connected only...
AT89c51 connections are not working

I need help i programmed at89c51 to blink all the pin0 my circuit is not working please help below are the circuit image (just see the connections and leave the LED part becuz i just connected only...
UART randomly not working !

Hi, I facing some problem on P89LPC936 UART portion. After some debugging, I realized the UART is randomly not working. Steps I did : 1. Using UART generated code from Code Architect (To narrow...
AT89C51ED2 UART not work?

I downloaded AT89C51ED2 UART source code from ATMEL web. when I connected from PC COM1 to AT89C51ED2 and sended a byte data, it sended a wrong byte data back. Have some solutions about this @@?
STM32 UART not working

HiGuys, I have been trying for days trying to get the UART on the STM32F030R8 to work, I have following the datasheet and the reference manual step by step but it just doesn't work. Using the STM32 CubeMX...