A base flow for polling a slow local API without piling up requests. The delay node drops overlapping triggers, the function records response time, an

Flow #38↑ 0 · ◉ 16

Simple health endpoint for a Node-RED instance

Adds a lightweight /health endpoint for a reverse proxy or uptime monitor. It returns status, Node-RED uptime and a timestamp without exposing flow co

Flow #37↑ 0 · ◉ 12

Plant watering guard (no midnight surprises)

A safety layer for an automatic watering project. It only passes a request when soil moisture is below 32%, blocks repeat watering for six hours and l

Flow #36↑ 0 · ◉ 14

Electricity price traffic light

A stripped-down version of my electricity price indicator. Feed the current cents/kWh into msg.payload. The flow labels it green, amber or red and kee

Flow #35↑ 0 · ◉ 10

Morning lights with a weekend offset

This is the simple schedule behind our hallway lights. Weekdays start at 06:30 and weekends at 08:00. The final MQTT topic is intentionally generic—

Flow #34↑ 0 · ◉ 13

Tiny webhook receiver and JSON reply

A small webhook endpoint I keep around for testing integrations. POST JSON to /hooks/device; the function normalises the fields and replies with a req

Flow #33↑ 0 · ◉ 20

Garage temperature alert with MQTT

I use this to watch a cheap temperature sensor in an unheated garage. It ignores tiny changes, warns below -5 °C and sends everything else to a norma