![]() If you visit the LiquidCrystal reference page on the Arduino website, you will see that it is based on Hitachi HD44780(or a compatible) chipset. But there are some serial implementations such as here. The main drawback about an LCD is that it occupies too many pins on your Arduino board. Using an LCD is one of the ways to output information in Arduino projects. It is possible to have multiple software serial ports with speeds up to 115200 bps. The SoftwareSerial library has been developed to allow serial communication on other digital pins of the Arduino, using software to replicate the functionality (hence the name 'SoftwareSerial ').You can configure which timer AltSoftSerial uses by editing 'config/knownboards.h' within the library. Some boards, like Teensy, Teensy and Arduino Mega, have more than 1 timer which is suitable for AltSoftSerial. Any other library which needs the same timer, and the PWM pins which depend upon that timer, will not work.In the receive interrupt, instead of blocking for whole bytes at a time - voiding any near-realtime behavior of the CPU - only level change and timestamp are recorded. This fork implements interrupt service routine best practice. EspSoftwareSerial Implementation of the Arduino software serial library for the ESP8266 / ESP32.This means that if you have 1.0 or later, you should not download this library. News: NewSoftSerial is in the core! Starting with Arduino 1.0 (December, 2011), NewSoftSerial has replaced the old SoftwareSerial library as the officially supported software serial library. A New Software Serial Library for Arduino. That's a tiny amount of extra overhead, but of course far more efficient than bit bashing serial. ![]() Internally, it just calls the hardware serial functions. ![]() It only works if you configure for two pins which are one of the real hardware serial ports.
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