diff --git a/examples/stm32f1/Cargo.toml b/examples/stm32f1/Cargo.toml
index 638f1eff..6e77497a 100644
--- a/examples/stm32f1/Cargo.toml
+++ b/examples/stm32f1/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 [dependencies]
 embassy-util = { version = "0.1.0", path = "../../embassy-util", features = ["defmt"] }
 embassy-executor = { version = "0.1.0", path = "../../embassy-executor", features = ["defmt", "defmt-timestamp-uptime", "time-tick-32768hz"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f103rc", "unstable-pac", "memory-x", "time-driver-any"]  }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any"]  }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-usb-serial = { version = "0.1.0", path = "../../embassy-usb-serial", features = ["defmt"] }
 
diff --git a/examples/stm32f1/src/bin/dac.rs b/examples/stm32f1/src/bin/dac.rs
deleted file mode 100644
index 392f5bf4..00000000
--- a/examples/stm32f1/src/bin/dac.rs
+++ /dev/null
@@ -1,37 +0,0 @@
-#![no_std]
-#![no_main]
-#![feature(type_alias_impl_trait)]
-
-use defmt::*;
-use embassy_executor::executor::Spawner;
-use embassy_stm32::dac::{Channel, Dac, Value};
-use embassy_stm32::Peripherals;
-use {defmt_rtt as _, panic_probe as _};
-
-#[embassy_executor::main]
-async fn main(_spawner: Spawner, p: Peripherals) -> ! {
-    info!("Hello World, dude!");
-
-    let mut dac = Dac::new_1ch(p.DAC, p.PA4);
-
-    loop {
-        for v in 0..=255 {
-            unwrap!(dac.set(Channel::Ch1, Value::Bit8(to_sine_wave(v))));
-            unwrap!(dac.trigger(Channel::Ch1));
-        }
-    }
-}
-
-use micromath::F32Ext;
-
-fn to_sine_wave(v: u8) -> u8 {
-    if v >= 128 {
-        // top half
-        let r = 3.14 * ((v - 128) as f32 / 128.0);
-        (r.sin() * 128.0 + 127.0) as u8
-    } else {
-        // bottom half
-        let r = 3.14 + 3.14 * (v as f32 / 128.0);
-        (r.sin() * 128.0 + 127.0) as u8
-    }
-}