WiFi-controlled RC car using ESP8266. Features a 5-speed transmission, steering servo, realistic braking, sound system, and dynamic lighting.
| Component | Role | Pin |
|---|---|---|
| SG90 Servo | Steering | D1 (GPIO5) |
| Mini L298 | Motor driver | D2/D6 |
| JQ24-25H440 | DC Motor | L298 output |
| Buzzer | Horn | D5 (GPIO15) |
| 2x White LEDs | Headlights | D4 (GPIO2) |
| 4x Yellow LEDs | Turn indicators | D0/D3 |
| 2x Red LEDs | Brake/reverse | D7 (GPIO13) |
| RGB LED | Aux lighting | D8/RX/TX |
Commands are plain text, newline-terminated:
servo <angle> Steering (45-135)
gas <level> Throttle (0-5, auto gear shift)
brake on/off Brake (hold 1.2s for reverse)
beep on/off Horn
head on/off Headlights
ind left/right/off Turn indicators
led <mode> LED animations
sound <mode> Engine/siren/alarm
gear <-1/0-5> Manual gear selection
settings <key> <val> Configure car behavior
Telemetry: TELEM:battery%,gear,gas,dir,brake,conn
- AP: SSID "BMini4", password "26032009"
- IP: 192.168.4.1:80
- Single client TCP server
- Servo threshold: 8 deg minimum change
- Brake pulse: 200ms reverse burst
- Brake long: 1200ms to enter reverse
- Telemetry interval: 8000ms
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