docs: add full example

Author: zeldan

README.md

@@ -30,7 +30,7 @@ Here are some general tutorials that provide brief introductions to embedded pro
 To include the `dht11` feature:
 
 ```rust
-cargo add embedded-dht-rs
+cargo add embedded-dht-rs --features "dht11"
 ```
 
 To include all features (`dht11`, `dht20`, and `dht22`):
@@ -41,6 +41,7 @@ cargo add embedded-dht-rs --features "dht11,dht20,dht22"
 
 ### Example - ESP32
 
+You can find the full example in the [examples](./examples) folder.
 
 ```rust
 #![no_std]
@@ -71,8 +72,7 @@ fn main() -> ! {
         io.pins.gpio21,
         io.pins.gpio22, 
         HertzU32::kHz(400),
-        &clocks, 
-        None,
+        &clocks
     );
 
     let mut dht11 = Dht11::new(od_for_dht11, delay);

examples/.cargo/config.toml

@@ -0,0 +1,16 @@
+[target.xtensa-esp32-none-elf]
+runner = "espflash flash --monitor"
+
+
+[env]
+ESP_LOGLEVEL="INFO"
+
+[build]
+rustflags = [
+  "-C", "link-arg=-nostartfiles",
+]
+
+target = "xtensa-esp32-none-elf"
+
+[unstable]
+build-std = ["core"]

examples/.gitignore

@@ -0,0 +1,10 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb

examples/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "rust-analyzer.check.allTargets": false,
+}