US$ 26.44
No external resistors or driver circuits are needed - just connect to your digital or PWM-capable GPIO pins
UV LED 3W 380-385nm Ultraviolet PCB UVA Light
and NiMH batteries
3000-5000 RPM
55-inch AMOLED Display Resolution 454 x 454 pixels Band Material Silicone Dial Color Black Water Resistance 5 ATM (50 meters) Battery Life Up to 14 days typical use Processor Dual-core RAM 512 MB Operating System Zepp OS Sensors Heart rate
M5Stack RF UNIT 433MHz Receiver - SYN513R Raspberry Pi Clear Transparent Case for Raspberry Pi 2 and Raspberry Pi 3 No external resistors or driverM5Stack RF UNIT 433MHz Receiver SYN513R
US$ 26.44
US$ 26.14
US$ 25.00
US$ 25.00
US$ 105.99