Kids traffic light, with Raspberry Pi Zero W

Kids traffic light, with Raspberry Pi Zero W

As the weather is warming up here in Norway — my kids have gotten their bikes out. To make it more fun, both for them and me, I figured I’d build a series of traffic signals that they could play with.

I first started with a traffic light, simple — red, yellow and green. To control it I am using a Raspberry Pi Zero W, this will allow me to make it communicate on Wi-Fi and MQTT later.

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Kids alarm module, Raspberry Pi Zero, and MQTT

Kids alarm module, Raspberry Pi Zero, and MQTT
My twin boys are, like their dad, fascinated by switches and flashing lights. I needed an excuse to use the Raspberry Pi Zero in a project, so I built them a WiFi MQTT controlled alarm module. With a couple of switches, some panel indicators, a buzzer, and a blue LED strobe. Table of contents Raspberry Pi Zero The build Operation Home Assistant Node ID Software I/O Inputs Outputs Schematic drawing Parts Raspberry Pi Zero An advantage of using a Raspberry Pi, instead of e.
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