500X25 HD Zoom Binoculars 5000m/50000M High-definition Portable Binocular Telescope Compact Focusing Knob

TENSTAR ESP32-S3-Zero ESP32-C3-Zero Mini Development Board WiFi Bluetooth Ultra-small Size ESP32 C3 S3 ESP 32 Supermini

48V to 24V high-power DC voltage regulator 60V72Vv to 24V10A20A30A power converter module

high quality One set UNO R3 Official Box ATMEGA16U2+MEGA328P Chip For Arduino UNO R3 Development board + USB CABLE

Voice Prompter MP3 Player 4M Audio module Custom Voice Playback Customized Access Control Lock Public Safety Voice Prompt Device

DD501【RP4】 Voice Recognition Module for 4 Channel Pulse Output Support Record Any Language Button Input

4 PCs DC Electric Motor DC 3-6V Dual Shaft Geared TT Magnetic Gearbox Engine with 65mm Plastic Car Tire Wheel Smart RC Car Robot

12V to 28V 13.8V 15V 19V DC power converter 12V to 24V 15A 20A 25A 30A booster DC-DC transformer module

ZoeRax SFP LC SingleMode Fiber to RJ45 Ethernet Media Converter Gigabit Fiber Optic Transceiver with 1.25Gbps SFP LC Module

35W DC 5.5-30V to 0.5-30V Digital LCD Display Automatic Step up down Buck Boost Converter Power Supply Module Adjustable Board

ESP32-DevKitC Development Board with 2.4G Extend Antenna Port USB Micro Type-C 38PIN ESP32 CP2102 ESP32-32U Wifi Module