Sensors · BME280In progress
BME280 Temp / Humidity / Pressure
I²C / SPI sensor with ±0.5 °C, ±3 %RH and ±1 hPa accuracy — plugs straight int
¥31.20¥39.0020% off for members
120 in stock
🔔5V Active Buzzer
Actuators
Active Buzzer Module
¥4.00¥5.0020% off for members
3.3–5 V active buzzer with a transistor driver — high level means sound. Hook it to page 40 outputs (GPIO 9 / 15) for alerts, or trigger it remotely over MCP.
Specifications
| Supply | 3.3–5 V |
|---|---|
| Drive | On-board transistor, active high |
| Current | About 30 mA |
| Firmware page | Page 40 · Output Control |
Discussion 0 comments
Owners talk about wiring, quirks and fixes here — ask anything.
No comments yet. Be the first.