ESP8266_RC_car

Hardware:

• ESP8266 NodeMCU
• L298n Motor Driver
• Jumper Wires F-to-F (x8)
• motors (with gearboxes)
• wire
• 9V battery clip
• 9V battery
• Micro USB cable

Assembly instructions:

1. Remove the jumpers on ENA and ENB on the L298n motor controller
2. Connect up components as shown in the diagram below (red wires: jumper wires, black wires: misc, circles: soldering required)
3. Download and install the Arduino IDE: https://www.arduino.cc/en/Main/Software
4. Open Arduino IDE and go to File > Preferrences and copy and paste: https://arduino.esp8266.com/stable/package_esp8266com_index.json into the Additional Board Manager URLs
5. Go to Tools > Board > Board Manager
6. Search for and Install esp8266 (IMPORTANT: INSTALL VERSION 2.7.4)
7. Download the lastest build file
8. Open src.ino in the Arduino IDE
9. Go to Tools > Board > ESP8266 Boards > NodeMCU 1.0
10. Connect esp8266 to computer using Micro USB cable
11. Go to Tools > Port and select the port the ESP8266 is connected to.
12. Upload the code (may take few minutes)
13. Connect to the WiFi
14. Go to the web portal

Notes

• default wifi
  • SSID: RC Car
  • Password: 12345678
• default portal: 192.168.1.1 (type this into your browser)

Aditional Settings

For slightly better performance try:

• setting the CPU Frequency to 160 MHz
• setting the IwIP variant: v2 Higher Bandwidth