Protopixel Technical Task Firmware Engineer

1. Add Led state
2. Add button interrupt that toggles the led
3. Add a solution for the button bouncing
4. Add a WiFi connection
5. Add a MQTT connection
6. Add a MQTT/LED state synchronization

• VSCode
• PlatformIO
• Docker
• MQTT Broker

• Connect to a WiFi network
• Execute the MQTT broker using docker

docker run -d --name emqx -p 1883:1883 -p 8083:8083 -p 8084:8084 -p 8883:8883 -p 18083:18083 emqx/emqx:5.2.0

• Found the IP address of the MQTT broker

• In the src/config.h file, change the following values:

Define the type of board, choose between LAMP or CONTROLLER

#define WIFI_SSID "YOUR_WIFI_SSID"
#define WIFI_PASS "YOUR_WIFI_PASSWORD"
#define MQTT_BROKER_IP "YOUR_MQTT_BROKER_IP"

In the file demo.mp4 you can find a video of the demonstration of the task.