From 05fc2280ecbda16245b6a41010c8e2b47e4344c3 Mon Sep 17 00:00:00 2001 From: ElVit <54866762+ElVit@users.noreply.github.com> Date: Thu, 22 May 2025 22:44:25 +0200 Subject: [PATCH] Update README.md --- components/panasonic_heatpump/README.md | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/components/panasonic_heatpump/README.md b/components/panasonic_heatpump/README.md index 3581b93..90b2afe 100644 --- a/components/panasonic_heatpump/README.md +++ b/components/panasonic_heatpump/README.md @@ -5,15 +5,13 @@ ### What you need * ESPHome compatible microcontroller (e.g. ESP8266, ESP32, ESP32-S2, ESP32-C3, ...) -* Bi-Directional Logic Level Converter (to convert 5V UART signal from the heatpump to 3.3V UART signal of the ESP controller) +* ADUM1201 Dual Channel Digital Magnetic Isolator + (to convert 5V UART signal from the heatpump to 3.3V UART signal of the ESP controller) * CN-CNT cable to Heatpump/CZ-TAW1 (see [Heishamon](https://github.com/Egyras/HeishaMon) github site for more information) ### Wiring -![wiring.jpeg](../../prototypes/panasonic_heatpump/wiring.jpeg) - -You may also connect the +5V pin of the heatpump to the +5V pin of the ESP board. -But for me the current (mA) provided by the heatpump was quite unstable so I powered my ESP board through an USB cable. +wiring_adum1201.png ### CN-CNT Pinout (from top to bottom)