US$ 29.50
Before Purchase:
This unit is rated for industrial environments
and battery quality
1x MAX485 RS-485 TTL Module
Range varies significantly with spreading factor selection: SF7 provides approximately 2-3 kilometers with faster data rates
ESP32 ESP-32 ESP-32S ESP 32 Development Board CP2102 WiFi Bluetooth Ultra-Low Power Consumption Dual Core (38 PIN) 4 pieces 7 X 4 Cm Gear Motor Robot Wheel & 4 pieces 200 RPM Gear Motor for Robotics Science Project Before Purchase:ESP32 ESP 32 ESP 32S ESP 32 Development Board CP2102 WiFi Bluetooth Ultra Low Power Consumption Dual Core (38 PIN)
US$ 29.50
US$ 49.00
US$ 21.99
US$ 21.99
US$ 50.99
US$ 22.50