Esp32 Drum Monitor
ESP32 Drum Monitor — Snare & Kick sensor via ADS1015 Hall Sensor, Svelte 5 + Tailwind + Web Serial
ESP32 Drum Monitor
Monitor drum berbasis sensor Hall Effect dengan 8 channel, Web Serial API, dan beat sequencer 30 genre.
Perkakasan
| Komponen | Butiran |
|---|---|
| MCU | ESP32 |
| ADC 1 | ADS1015 @ 0x48 — Sensor S1–S4 (12-bit) |
| ADC 2 | ADS1115 @ 0x49 — Sensor S5–S8 (16-bit) |
| Sensor | 8× Hall Effect SS49E |
| Button | NAV (GPIO 26), SEL (GPIO 25) |
| I2C | SDA=21, SCL=22 |
Cara Jalankan (Web Monitor)
1. Clone dan install
git clone https://github.com/Askal151/esp32-drum-monitor.git
cd esp32-drum-monitor
npm install
2. Jalankan dev server
npm run dev
Buka browser: http://localhost:5173/esp32-drum-monitor/
Gunakan Chrome atau Edge — Web Serial API tidak disokong Firefox/Safari.
3. Sambung ESP32
- Flash firmware dari folder
firmware/drum_monitor/ - Klik butang ⚡ Sambung di UI
- Pilih port COM / ttyUSB ESP32
- Klik ⚠ Aktifkan Audio apabila diminta
Cara Jalankan (Production Build)
npm run build
npm run preview
Buka: http://localhost:5174/esp32-drum-monitor/
Flash Firmware ESP32
# Guna Arduino IDE atau PlatformIO
# Buka: firmware/drum_monitor/drum_monitor.ino
# Board: ESP32 Dev Module
# Baud upload: 115200
Ciri-ciri
- 8 sensor Hall Effect — baca secara serentak via ADS1015 + ADS1115
- Beat sequencer 16-step — 30 pola beat semua genre dengan dinamik velocity
- Assign beat per sensor — setiap sensor boleh main beat berbeza secara serentak
- Auto-calibration — baseline median 200 sample + auto-recal 30 saat
- Web Serial — sambung terus dari browser tanpa driver tambahan
- Waveform real-time — paparan ADC rolling 60fps
Genre Beat (30 pola)
| Genre | Beat |
|---|---|
| Techno | Basic, Industrial, Minimal |
| Electronic | House Classic, Glitch Beat |
| Breakbeat | Drum & Bass, Jungle Break, Amen Break |
| Hip Hop | Boom Bap, Trap 808 |
| Nusantara | Batak, Jawa, Melayu, Bedug, Sunda, Betawi, Batak-House |
| Latin | Conga, Samba, Bossa Nova |
| Rock/Pop/Funk | Rock Basic, Pop Dance, Funk Groove |
| World | Tribal, Afrobeat, Reggae/Ska |
| Fusion | Jazz Breakbeat, Tropical Fusion |
| Ambient | Sparse |
| WAV | Percusion 123 (custom) |
Struktur Projek
esp32-drum-monitor/
├── firmware/
│ └── drum_monitor/
│ └── drum_monitor.ino # Kod ESP32
├── src/
│ ├── App.svelte # UI utama + beat sequencer engine
│ └── lib/
│ ├── audio.js # Web Audio API — semua bunyi instrumen
│ ├── sampleStore.js # BEAT_DATA (30 pola) + state machine
│ ├── serial.js # Web Serial parser
│ ├── Waveform.svelte # Rolling waveform canvas
│ ├── SampleAssign.svelte
│ └── SamplePicker.svelte
├── public/
│ └── samples/
│ └── percusion123.wav # WAV custom
└── package.json
Serial Protocol
HALL8|adc1|dev1|led1|...|adc8|dev8|led8 (24 nilai, 50Hz)
[BTN]NAV — button NAV ditekan
[BTN]SEL — button SEL ditekan
Threshold Default
| Sensor | Level 1 | Level 2 | Level 3 | Level 4 |
|---|---|---|---|---|
| S1–S4 (ADS1015) | 10 | 25 | 60 | 120 |
| S5–S8 (ADS1115) | 80 | 200 | 600 | 1200 |
