Timeline for DHT11 humidity and temperature sensor
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 5, 2021 at 18:39 | comment | added | StarCat | If you draw a proper schematic, you will see that, in the first drawing, the resistor is between Vcc and Out (also called "data"). It "pulls up" the data/Out pin to a high logic level when there’s no internal or external signal driving it. | |
| Jul 5, 2021 at 15:00 | history | tweeted | twitter.com/StackArduino/status/1412063736412704774 | ||
| Jul 4, 2021 at 9:07 | history | became hot network question | |||
| Jul 3, 2021 at 11:07 | answer | added | Majenko | timeline score: 8 | |
| Jul 3, 2021 at 10:56 | comment | added | Maciaz99 | @Dave Newton but it seems to me, that when the resistor is connected as shown in the first image, it's in parallel to Vcc-OUT in sensor therefore resistance between 5V and OUT is 0. | |
| Jul 3, 2021 at 10:33 | comment | added | Dave Newton | Then it wouldn't be a pull-up resistor; Vcc already is 5V. Signals are what need to be pulled high or kow. | |
| Jul 3, 2021 at 10:32 | comment | added | Lefteris E | I don't know why but the datasheet says dataline must be connected to 4.7K pullup robocraft.ru/files/datasheet/DHT11.pdf | |
| Jul 3, 2021 at 10:11 | history | asked | Maciaz99 | CC BY-SA 4.0 |