From 5bd53d1451fdafaf596279dd707f35266d4d0830 Mon Sep 17 00:00:00 2001 From: Tyler Perkins Date: Thu, 4 Nov 2021 22:00:01 -0400 Subject: [PATCH] Update for 04-11-21 22:00 --- tech/DHT11.wiki | 21 +++++++++++++++++++++ tech/embedded.wiki | 4 ++++ 2 files changed, 25 insertions(+) create mode 100644 tech/DHT11.wiki diff --git a/tech/DHT11.wiki b/tech/DHT11.wiki new file mode 100644 index 0000000..c51eb69 --- /dev/null +++ b/tech/DHT11.wiki @@ -0,0 +1,21 @@ += DHT11 = + +The DHT11 is a very cheap humidity/temp sensor, made by ASAIR. + +== Pinout == + +Then the module is facing you, + +For three pins the pinout is + +| GND | VCC | DAT | + +This is because on the breakout boards, a 10K pullup resistor is on Pin 2 of +the sensor module. + +== Data == + +Data is sent using a single bus line. This bus line sends info in the following +manner. + +| Humidity int (8b) | Humidity decimal (8b) | Temp int (8b) | Temp decimal (8b) | Parity | diff --git a/tech/embedded.wiki b/tech/embedded.wiki index b30c664..e00c61e 100644 --- a/tech/embedded.wiki +++ b/tech/embedded.wiki @@ -23,6 +23,10 @@ user, sometimes so that they don't even know there is a computer * [[raspberry_pi|Raspberry Pi]] * [[rapsberry_pi_pico|Raspberry Pi Pico]] +=== Components === + +* [[DHT11]] + === Programming === * [[../lang/C|C]]