# [observable_timer](https://github.com/AlexAegis/rx_bevy/tree/master/crates/rx_core_observable_timer)
[](https://crates.io/crates/rx_core_observable_timer)
[](https://github.com/AlexAegis/rx_bevy/actions/workflows/ci.yml)
[](https://app.codecov.io/github/AlexAegis/rx_bevy?components%5B0%5D=rx_core_observable_timer)
[](https://github.com/AlexAegis/rx_bevy?tab=MIT-1-ov-file)
Emits once after the timer elapses.
## See Also
- [IntervalObservable](https://github.com/AlexAegis/rx_bevy/tree/master/crates/rx_core_observable_interval) -
Emits a sequence of `usize` values on every interval tick.