Quantity   Component name
1 × Mini NodeMCU Lua hardware, for example WeMos D1 Mini Mini NodeMCU 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP-12F. To match my pinout, the WeMos D1 Mini is required. Other like boards will have different pinout, so a different carrier would be needed.
1 × 0.96'' OLED Display 0.96'' I2C IIC 128X64 Pixel OLED Display
1 × Line following robot kit Smart Car Intelligent Robot Tracking Car D2-5 Soldering DIY Kit
2 × LEDs with 3V3 current limiting resistor Any LEDs you have on hand with the correct resistors. If you have red LEDs, 150 ohm resistors will be fine.
1 × USB Micro B cable USB 2.0 A-Male to Micro B Cable to attach NoteMCU to computer for programming
1 × 400 point or larger breadboard 400 Point Solderless Prototype PCB Board Kit with a few wires
6 × male header pins 0.1" aka 2.54mm PCB uses two three-pin headers for OLED polarity selection.
2 × male header pins 0.1" aka 2.54mm with 90 degree bend Used to select changing SSID for multiple cars, added under WeMos on PCB