From e2c5b7400fd11c35a4c5626b446c2f048111f462 Mon Sep 17 00:00:00 2001
From: Sebastian Hugentobler <sebastian@vanwa.ch>
Date: Fri, 28 Jun 2024 18:22:01 +0200
Subject: [PATCH] add notice about lcd source code

---
 display/src/lcd.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/display/src/lcd.rs b/display/src/lcd.rs
index 00af244..5256c61 100644
--- a/display/src/lcd.rs
+++ b/display/src/lcd.rs
@@ -1,3 +1,8 @@
+//! Write to a 16x2 LCD.
+//!
+//! Code mostly translated from here (an excellent project):
+//! https://github.com/Pi4J/pi4j-example-components/blob/main/src/main/java/com/pi4j/catalog/components/LcdDisplay.java
+
 use embassy_nrf::interrupt::Priority;
 use embassy_nrf::interrupt::{self, InterruptExt};
 use embassy_nrf::peripherals::{P0_03, P0_04, TWISPI0};