CH9121 Network Module UART Serial port to Ethernet module serial server network module TCP/IP 51/STM32 3.3V 5V

$2.62

DT-06 Wireless WiFi Serial Port Transparent Transmission Module TTL to WiFi Compatible with Bluetooth HC-06 interface ESP-M2

$1.20

TZT PT2399 CD2399 Microphone Reverb Plate Reverberation Board No Preamplifier Function Module

$0.74

TZT XH-M452 LED Digital Thermostat Humidity Control Sensor High Precision Dual Output DC 12V 10A Automatic Constant Temperature

$2.00

STM32F103C8T6/RCT6 STM32F401RET6 CH340 Development Board Microcontroller Core Board ARM Architecture minimum system correx-M3

$1.78

TM-902C K Type Digital LCD Temperature Detector Thermometer Industrial Thermodetector Meter + Thermocouple Probe without battery

$1.69

3.5 inch LCD TFT Module ESP32 LVGL WIFI&Bluetooth Display Module 240*320 Smart Display screen with touch WROOM development Board

$8.69

DRV8837 DC H-Bridge Motor Driver Module 1 Channel and 2 Channels 1.8A Stepper Motor Driver Board

$0.58

830Pcs/Box DIY Project Starter Kit For Arduino UNO R3 Kit Electronic DIY Kit electronic component set with Tie-points breadboard

$4.50

TZT 4 OHMS 3W Mono bluetooth Power Amplifier Board Battery Charging Function 3.7V Lithium battery bluetooth module

$1.05

TZT ASR-PRO Voice Intelligent Speech Recognition Control Module AI Offline Recognition development board custom terms

$2.35

TZT MT6826S High Precision high speed Magnetic Encoder Magnetic Induction angle measurement Sensors Module For arduino

$2.54

TZT TL494 SG3525 PWM controller module adjustable 5V frequency 500-100kHz 250mA

$0.48

TZT USB To TTL Module FT232 CP2102 CH340 USB to UART serial Port Module With 2 Channel Signal isolation module

$2.35

TZT FT232RL Serial Port Module USB To TTL Serial Port Small Board 5V 3.3V 1.8V level download the burn Line

$1.08

SHT20 SHT30 Temperature and Humidity Sensors Module no waterproof probe RS485 RS 485 Modbus RTU Indoor Detection & Acquisition

$1.58

TZT DC 1.2V-3.3V Type-C USB blaster downloader For ALTERA CPLD/FPGA JTAG Altera programmer For arduino

$1.05

TZT XH-M164 NE5532 Stereo Pre-amp Preamplifier Tone Board Audio 4 Channels amplifier module 4CH Control circuit telephone preamp

$1.68

TZT LiPo Fuel Gauge Lithium battery detection module A/D conversion IIC MAX17043

$2.38

TZT 22.5W Power Bank Bidirectional Fast Charging Mobile Power Bank Module For Lithium battery charger board supports QC4+

$1.43