Trafficlight: Difference between revisions
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{{outdated|type=member project|moretext=The traffic light is using a [[Multiswitch]] and LEDs were retrofit.}} | |||
{{project | {{project | ||
|name= Internet of Trafficlights (IoT) | |name= Internet of Trafficlights (IoT) | ||
Revision as of 12:03, 10 September 2022
You are visiting an old member project. The information found on "Trafficlight" might be out of date. The traffic light is using a Multiswitch and LEDs were retrofit.| Internet of Trafficlights (IoT) Release status: beta [box doku] | |
|---|---|
| Description | A trafficlight connected to the internet |
| Author(s) | tiefpunkt |
| Download | GitHub Repository |
We have a traffic light in the space that can be controlled via the internet.
Hardware
- Trafficlight
- 3 12V motorcycle lamps (2x25W)
- 8-channel relais board
- nodeMCU (ESP-12) WiFi microcontroller
- PC powersupply
- A PC fan to put some load on the PSU even if all lights are off (otherwise it would just shut off)
- Circuit: WiFi_Ampel_MuMaLab.pdf
Software
- Written with Arduino for ESP
- Connects to MuMaBus via MQTT
- On Github: https://github.com/munichmakerlab/trafficlight
MQTT Topics
All lights can be switched via a 1 or a 0 to the following topics:
- mumalab/room/trafficlight/red
- mumalab/room/trafficlight/yellow
- mumalab/room/trafficlight/green
