| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $18.37 | $17.99 | $17.43 | $16.68 | Contact US |
M5Stack Paper S3 E-Paper Display Touchable Low Power Consumption 4.7-inch E-ink Display Development Kit ESP32S3
$87.42
LILYGO Grey Shell Version T-Display-S3 1.9-inch LCD Display Development Board WiFi Bluetooth5.0 Wireless Module for Arduino
$32.47
Sketchboard Mechanical Arm Plotter Robot Arm Students Programming Learning DIY Kit for Arduino
$44.05
TTL Serial Port 4-Channel Relay Module Control Board for Arduino ARM PIC AVR DSP
Features:
- 5V to 3.3V conversion circuit.
- Over current protection
- 4 channel 250V 10A relays with LED indicator.
- Support cascade ( one module for 4 channel, two module connected together into 8 channel, and so on, up to 24 channel ).
- 3.3V voltage output.
- Bluetooth wireless serial or RF wireless serial ( optional ).
