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Questions tagged [max232]

Anything related to the MAX232 integrated circuit. The MAX232 IC is used to convert serial communication signals using TTL levels, such as those produced by UARTs ICs, from and to standard RS-232 line signals.

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Why all the other ultrasonic sensors are getting triggered when only one so actually triggered?

I have an ultrasonic sensor, HC SR04, connected to the atmega 8 controller along with an LED for the indication purpose. Let me discribe about my project with some anology. Say I have 20 rooms( ...
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Error reading characters over serial on ATmega8 using CVAVR (USART)

I am trying to program ATmega8 for testing purposes using CVAVR as cross compiler and avrdude GUI as burner. Though I am able to burn the program, I think I am missing something in the coding part. It ...
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Connect unused inputs/outputs on RS232 line driver/receiver Chip

What is the safest (and reliable) way to deal with unused input/output pins of serial comm. chips like MAX232, ST3232, etc.. So far i'm familiar with these three options: Input and Output Not ...
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Sending Data with HC05 Bluetooth module

I have set of data that i want to send them via h-05 Bluetooth module.But data has variable baud rate and i don't know the baud rates.How can i do it?Is there any Bluetooth module that don't care to ...