The opensource arduino software ide makes it easy to write code and upload it to the board. The arduinohts221 library allows you to use the hts221 sensor available on the arduino nano 33 ble sense to read the temperature and. Hit ctrlr or hex 12 to switch back to the top display. These sketches are written in the text editor and are saved with the file. Also applying 5v to pin 5 will put the device in test mode and you can see the firmware version and text on both. The softwareserial library has been developed to allow serial communication on other digital pins of the arduino, using software to replicate. Programs written using arduino software ide are called sketches. Now design a small circuit in proteus, you will need arduino library for proteus to use arduino in proteus, as shown in below figure. I adapted peter fleurys i2c software library that is written in avr assembler. Now get our arduino hex file and upload it in your proteus. The arduino software ide allows you to write programs and upload them to your board. Now our softserial object is ready so next thing we have done is softserial.
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