A collection of node-red nodes useful for controlling homebrewing processes.

Makes sure a 0/1 input has a stable value for a minimum amount of time before passing the message through. Useful as a compressor delay for a refrigerator.

Monitors that messages are coming at least every X seconds. Outputs 1 if input is stale, 0 otherwise.

Repeats input message at a configurable rate.

Simple temperature control with a deadband. Has two outputs, one for heater and one for cooler. When input temperature is > set temp + deadband, then cooler is activated. When input temperature is < set temp - deadband, then heater is activated. Set point can also be set via message, using topic "setpoint".

Node for reading input from tilt-hydrometer. Outputs separate outputs for temperature and specific gravity. Configurable what colors it should output messages for. You should only create one connection object (see node settings) for all your tilt-hydrometer nodes.

The tilt-hydrometer node requires some dependencies to be installed. On debian based systems: sudo apt-get -y install git bluetooth bluez libbluetooth-dev libudev-dev