⚠️ instructions below are provided as-is, without warranty of any kind. See license for more info.

WiFi remote-controlled car with a USB webcam built on Raspberry Pi and L293D chip for motor control. https://www.youtube.com/watch?v=lV2_LIXbDQA

1. Turn on the power, wait 50 seconds for the device to boot and start the web server
2. Connect to tranode WiFi, open your RPi IP address in the web browser e.g. http://10.42.0.1/
3. Drive around delivering drinks 🧉🍺🍼🏺🍾
4. When done, press Off button in the UI
5. After 20 seconds, turn off the power

Using a powerbank instead of batteries with a step-down converter would improve the safety of this project. Power banks support charging and have short-circuit / under-voltage protection but tend to limit the current which can be a problem since this project way exceeds the standard USB 500mA limit.

Another safety feature would be some physical protection of the ON switch preventing accidental power-ons.

• Install latest Raspbian on SD card, boot and create a user tranode with password tranode
• Use this guide to make your Raspberry Pi broadcast a tranode WiFi network
• Install NodeJS on your Raspberry
• Connect USB webcam

sudo apt-get install xz-utils gcc g++ cmake libjpeg9-dev
git clone https://github.com/jacksonliam/mjpg-streamer.git
cd mjpg-streamer/mjpg-streamer-experimental
make
sudo make install
sudo bash -c "echo 'LD_LIBRARY_PATH=/home/tranode/mjpg-streamer/mjpg-streamer-experimental' >> /etc/profile"
export LD_LIBRARY_PATH=/home/tranode/mjpg-streamer/mjpg-streamer-experimental

cd ~
git clone https://github.com/kachurovskiy/tranode.git
cd tranode
npm install
sudo npm install -g pm2
sudo pm2 start tranode.js
sudo pm2 save

See sudo pm2 log and sudo cat /var/log/syslog for signs of potential errors.