How to build a “budget” remote control/autonomous wandering 4WD robot. 🙂

PARTS:

RPI 3 – https://amzn.to/2VA9pQY

RPI 3 Camera – https://amzn.to/2VF3UjL

4 Amp Power Adapter – https://amzn.to/2CTptWu

16GB micro SD – https://amzn.to/2SFMwd3

120 pcs jumper cable: https://ebay.to/2VAb9cY

HC-SR04 Sensors – https://amzn.to/2Ryw0hH

Resistor Assortment – https://amzn.to/2CV8vHa

HC-SR04 Brackets – https://amzn.to/2C6iwzY

16-Channel Servo Controller: https://amzn.to/2CasoIK

5.5×2.1mm Male+Female DC Power Socket: https://amzn.to/2VA5ZNW

Breadboards – https://amzn.to/2CZfCyF

9g Servos: https://amzn.to/2VAvcrF

L298N – 5 Pcs: https://amzn.to/2VycIIm

Buck Converters – https://amzn.to/2RzFEka

4WD Robotics Kit – https://amzn.to/2CXI4Ri (chassis in tutorial out of stock)

12V Lithium Ion Battery Bank – https://amzn.to/2ADQVWG

Misc. items needed:

-small zip ties

-mounting tape

-hot glue gun

-rigid plastic for servo base/camera

SCHEMATIC:

REFERENCE LINKS:

Raspberry Pi Camera Setup – https://www.linux-projects.org/uv4l/installation/

Motor Controller Setup – https://www.piddlerintheroot.com/l298n-dual-h-bridge/

Servo Controller Setup – https://www.piddlerintheroot.com/16-channel-servo-controller/

Ultrasonic Sensor Setup – https://www.piddlerintheroot.com/hc-sr04/

CODE:

https://github.com/dapiddler/NOMAD