CP2102 USB 2.0 To UART TTL 5PIN Connector Module Serial Converter STC Replace FT232 CH340 PL2303 CP2102 MICRO USB for Aduino

CS1237 24-bit ADC Module Onboard TL431 External Reference Chip Single-channel Weighing Sensing 24bit CS1238 Dual Channel

Double USB Port 640V Step Down 5V Voltage Stabilized Power Module 3A for Phone Tablet

CH340E Mini USB To TTL Converter UART Module Serial Converter Adapter Module Instead of PL2303

AD7705 Dual 16 Bit ADC Data Acquisition Module Input Gain Programmable SPI Interface TM7705

1pc HM-10 Transparent Serial Port Bluetooth 4.0 Module with Logic Level Translator

ESP8266 ESP-01 ESP-01S 5V WiFi Relay Module Things Smart Home Remote Control Switch Phone APP Wireless WIFI Module For ARDUINO

JDY-40 2.4G Wireless Serial Port Transmission Transceiver and Remote Communication Module BK2461 Super NRF24L01

7812+UPC1237 Speaker Protection Relay Module Board 12‑24V

5V 1A Boost Step Up Power Module Lithium LiPo Battery Charging Protection Board USB for DIY Charger Program

50Pin TTL 40Pin LVDS LCD Screen Driver Board LCD Display Assembly Unit 1024X600 Combination Driver Controller Board

S2 Mini V1.0.0 ESP32-S2 WiFi Dev Board 4MB Flash 2MB PSRAM

Esp32 Expansion Board Esp32 30Pin Devkit V1 Power Board Module Esp32S Shield Development Board Expansion Board

10PCS BD243C BD243 Transistor NPN 100V 6A TO-220 Integrated Circuit IC TO220

Mini DCDC Boost Converter Board Voltage Step Up Module 12V

Audio Module 3.3v-6v Amplifier Board DC Power Supply

DC?DC Boost Step Up Converter 4?35V To 5V?45V Power Supply Module 5A

PC817 3.3V-30V 2 Way 4 Channel Optocoupler Isolation Board Voltage Converter Adapter Module Driver Photoelectric Isolated Module

1/2PCS Double Sided Pcb Board 12*18CM Green DIY Prototyp Pcb Universal Board Circuit Boards Diy Kit

Low Voltage AC‑ Power Supply Module ‑ Adjustable Regulated LM2596HV Power Supply Module

5V Relay 1 2 4 8 Channel For OMRON SSR High Low Level Solid State Relay Module 250V 2A For Arduino