From 6fd5ee1fa7c006b11f77d9e11382f286c72338cb Mon Sep 17 00:00:00 2001
From: Roman Priesol <roman@priesol.net>
Date: Wed, 30 Sep 2026 20:07:57 +0200
Subject: [PATCH] Add ant-host: host ESPHome reading an ANT+ bridge over serial

---
 mcu-ant-host.yaml | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 mcu-ant-host.yaml

diff --git a/mcu-ant-host.yaml b/mcu-ant-host.yaml
new file mode 100644
index 0000000..3799743
--- /dev/null
+++ b/mcu-ant-host.yaml
@@ -0,0 +1,34 @@
+# Hardware: Linux host (ESPHome host platform)
+# Pinout:
+#   /dev/ttyACM3  nRF52840 DK running ant_bridge (J-Link VCOM, usb-SEGGER_J-Link_000683492497)
+substitutions:
+  device: ant-host
+  name: ANT+ Host
+  comment: ANT+ heart rate monitor via nRF52840 DK bridge
+
+esphome:
+  name: mcu-${device}
+  friendly_name: ${name}
+  comment: ${comment}
+
+host:
+
+packages:
+  api: !include common/api.yaml
+  logger: !include common/logger.yaml
+
+external_components:
+  - source: github://randybb/esphome-components
+    components: [ant_plus]
+
+uart:
+  # the host uart only takes /dev/<name>, not /dev/serial/by-id/...
+  port: /dev/ttyACM3
+  baud_rate: 115200
+
+ant_plus:
+  device_number: 655730
+  heart_rate:
+    name: Heart Rate
+    filters:
+      - throttle: 1s