https://padlet.com/janessathng/discussion Post your questions here. en-us 2020-03-31 11:13:44 UTC 2021-12-03 02:31:32 UTC hello@padlet.com queck_cham_kiong https://padlet.com/janessathng/discussion/wish/1926446422 2021-12-03 01:58:24 UTC https://padlet.com/janessathng/discussion/wish/1926446422 wicusphangyc https://padlet.com/janessathng/discussion/wish/1926453405 Is the Trigger Pin of the Ultrasonic Sensor a Digital input or an digital output and is the Echo Pin an analog input or an analog output?]]> 2021-12-03 02:02:42 UTC https://padlet.com/janessathng/discussion/wish/1926453405 queck_cham_kiong https://padlet.com/janessathng/discussion/wish/1926454604 Would anyone like to answer Wicus' question?]]> 2021-12-03 02:03:28 UTC https://padlet.com/janessathng/discussion/wish/1926454604 200085092 https://padlet.com/janessathng/discussion/wish/1926457290 Trigger pin is a digital output while Echo pin is an analog input i think. ]]> 2021-12-03 02:05:02 UTC https://padlet.com/janessathng/discussion/wish/1926457290 queck_cham_kiong https://padlet.com/janessathng/discussion/wish/1926467771 Trigger pin is a digital output (CORRECT) but Echo pin is an analog input (INCORRECT). 
First of all, can share why do you think echo pin is to be connected to analog input?

]]> 2021-12-03 02:11:23 UTC https://padlet.com/janessathng/discussion/wish/1926467771 200085092 https://padlet.com/janessathng/discussion/wish/1926484429 since in worksheet part 2, the code ask us to set echoPin as an input therefore I thought that it was an analog input.

]]> 2021-12-03 02:21:54 UTC https://padlet.com/janessathng/discussion/wish/1926484429 queck_cham_kiong https://padlet.com/janessathng/discussion/wish/1926499096 there are 2 type of inputs, one is digital and the other analog. For echo pin, you should use digital input, not analog input]]> 2021-12-03 02:31:32 UTC https://padlet.com/janessathng/discussion/wish/1926499096