diff --git a/fan-controller/README.md b/fan-controller/README.md
index 07b1b24..b934d8c 100644
--- a/fan-controller/README.md
+++ b/fan-controller/README.md
@@ -7,6 +7,13 @@ install [probe.rs](https://probe.rs) `cargo run`
 - [ ] Read fan speed on boot in case fans were already running
 - [x] Debounce button tap
 - [ ] Retry if there was an error writing to one or two fans
+- [ ] When retrying fails after a certain while, try reset the other fan to not create an underpressure or overpressure in the house.
 - [ ] Confirm fan speed is set on homeassistant and retry otherwise (there might be network interference). Can implement MQTT QoS for that
-- [ ] Flash LEDs for one second after boot to indicate if they work
+- [x] Flash LEDs for one second after boot to indicate if they work
 - [ ] Make Button press pick up state that was changed through Homeassistant and not keep its own fan state
+- [ ] Read temperature sensors
+- [ ] Switch to only using refactored send for modbus
+
+## Aspirational TODOs
+
+- [ ] Make fan configurable through a web interface if it is not configured and set up with WiFi yet