diff --git a/src/bin/ccs811.rs b/src/bin/ccs811.rs
index bf3d1d3..050c948 100644
--- a/src/bin/ccs811.rs
+++ b/src/bin/ccs811.rs
@@ -4,25 +4,25 @@ use linux_embedded_hal::I2cdev;
 
 const CCS811_ADDR: u8 = 0x5A; // or 0x5B
 
-const CCS811_STATUS: u8 = 0x00;
-const CCS811_MEAS_MODE: u8 = 0x01;
-const CCS811_ALG_RESULT_DATA: u8 = 0x02;
-const CCS811_RAW_DATA: u8 = 0x03;
-const CCS811_ENV_DATA: u8 = 0x05;
-const CCS811_NTC: u8 = 0x06;
-const CCS811_THRESHOLDS: u8 = 0x10;
-const CCS811_BASELINE: u8 = 0x11;
-const CCS811_HW_ID: u8 = 0x20;
-const CCS811_HW_VERSION: u8 = 0x21;
-const CCS811_FW_BOOT_VERSION: u8 = 0x23;
-const CCS811_FW_APP_VERSION: u8 = 0x24;
-const CCS811_ERROR_ID: u8 = 0xE0;
-const CCS811_APP_START: u8 = 0xF4;
-const CCS811_SW_RESET: u8 = 0xFF;
+pub const CCS811_STATUS: u8 = 0x00;
+pub const CCS811_MEAS_MODE: u8 = 0x01;
+pub const CCS811_ALG_RESULT_DATA: u8 = 0x02;
+pub const CCS811_RAW_DATA: u8 = 0x03;
+pub const CCS811_ENV_DATA: u8 = 0x05;
+pub const CCS811_NTC: u8 = 0x06;
+pub const CCS811_THRESHOLDS: u8 = 0x10;
+pub const CCS811_BASELINE: u8 = 0x11;
+pub const CCS811_HW_ID: u8 = 0x20;
+pub const CCS811_HW_VERSION: u8 = 0x21;
+pub const CCS811_FW_BOOT_VERSION: u8 = 0x23;
+pub const CCS811_FW_APP_VERSION: u8 = 0x24;
+pub const CCS811_ERROR_ID: u8 = 0xE0;
+pub const CCS811_APP_START: u8 = 0xF4;
+pub const CCS811_SW_RESET: u8 = 0xFF;
 
-struct CCS811 {
+pub struct CCS811 {
 	i2c: I2cdev,
-	addr: u8,
+	pub addr: u8,
 }
 
 impl CCS811 {
@@ -79,7 +79,7 @@ impl CCS811 {
 	}
 }
 
-enum CCS811DriveMode {
+pub enum CCS811DriveMode {
 	Idle = 0,
 	EverySecond = 1,
 	Every10Seconds = 2,
diff --git a/src/bin/draw/measurements.rs b/src/bin/draw/measurements.rs
index 624df93..aef86a3 100644
--- a/src/bin/draw/measurements.rs
+++ b/src/bin/draw/measurements.rs
@@ -3,7 +3,7 @@ use std::{any::Any, fs, ops::Sub, sync::atomic::AtomicBool, time::Duration};
 use embedded_graphics::{
 	image::ImageRaw,
 	mono_font::{
-		ascii::{FONT_10X20, FONT_4X6, FONT_5X8, FONT_6X9, FONT_9X15},
+		ascii::{FONT_4X6, FONT_5X8, FONT_6X9, FONT_9X15},
 		mapping::StrGlyphMapping,
 		DecorationDimensions, MonoFont, MonoTextStyleBuilder,
 	},
@@ -85,7 +85,7 @@ impl<D: DrawTarget<Color = Rgb565>> Screensaver<D> for Measurements {
 }
 
 impl<D: DrawTarget<Color = Rgb565>> Draw<D> for Measurements {
-	fn draw_with_ctx(&self, ctx: &ContextDefault<D>, disp: &mut D, rng: &mut crate::Rng) -> Result<bool, D::Error> {
+	fn draw_with_ctx(&self, ctx: &ContextDefault<D>, disp: &mut D, _rng: &mut crate::Rng) -> Result<bool, D::Error> {
 		if self.drawn.load(std::sync::atomic::Ordering::Relaxed) {
 			return Ok(false);
 		}
@@ -416,7 +416,7 @@ impl<D: DrawTarget<Color = Rgb565>> Draw<D> for Measurements {
 		Ok(true)
 	}
 
-	fn draw(&self, disp: &mut D, rng: &mut crate::Rng) -> Result<bool, <D as DrawTarget>::Error> {
+	fn draw(&self, _disp: &mut D, _rng: &mut crate::Rng) -> Result<bool, <D as DrawTarget>::Error> {
 		panic!("draw without ctx");
 	}
 
diff --git a/src/bin/draw/totp.rs b/src/bin/draw/totp.rs
index 9011738..f41d8fd 100644
--- a/src/bin/draw/totp.rs
+++ b/src/bin/draw/totp.rs
@@ -13,7 +13,7 @@ use embedded_graphics::{
 };
 use totp_rs::TOTP;
 
-use crate::{screensaver::Screensaver, Context, ContextDefault, Draw, BLACK};
+use crate::{screensaver::Screensaver, Draw, BLACK};
 
 #[derive(Debug, Clone)]
 pub struct Totp {
@@ -33,6 +33,9 @@ impl Totp {
 
 	pub fn next_page(&mut self) {
 		self.page += 1;
+        if self.secrets.len() < self.page * 6 {
+            self.page = 0;
+        }
 	}
 }
 
diff --git a/src/bin/main_loop.rs b/src/bin/main_loop.rs
index c388f00..59397a5 100644
--- a/src/bin/main_loop.rs
+++ b/src/bin/main_loop.rs
@@ -405,7 +405,11 @@ fn main_loop(mut disp: Oled, mut ctx: ContextDefault<Oled>) {
 					}
 					pop_last = true;
 				},
-				[3, 2] => {
+				[3, 2, 1] => {
+					enable_pwm().unwrap();
+					pop_last = true;
+				},
+				[3, 2, 3] => {
 					disable_pwm().unwrap();
 					pop_last = true;
 				},