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: