7.1 MM Walkie Talkie Earpiece Microphone, Portable Two-Way Radio Headset for Bowman Elite II HD03

UNO+WiFi R3 ATmega328P+ESP8266 CH340 (32Mb memory) 6V-9V USB-TTL CH340G For Arduino NodeMCU WeMos One Development board

1-10pcs ESP8266 serial port wifi module NodeMCU Lua V3 Internet of Things development board TYPE-C interface CH340

Industrial USB To RS485 232 Converter Module CH340 Drive IC Two-way Half-duplex Serial Line Converter USB To RS232 485

10pcs/lot CH340E MSOP CH340 340E MSOP-10 chip New spot

Type-C to RS232 TTL Serial Adapter Cable, CH340 FT232 Chip 5V OTG Compatible for Android Mac OS Devices

5-100PCS ISO7241CDWR ISO7241C A316J A316 STP55NF06 P55NF06 LM2576T-5.0 LM2576T NRF52832-QFAA-R N52832 CH340N CH340

CH340 Optical Isolation Serial Port Module USB to TTL Serial Port Module 5V 3.3V 2.5V 1.8V Four Level

15-50PCS MOC3042 3042 CH340N CH340 74LVC1G32GW VG LM317DR LM317 P6KE30CA TDA7854 7854

For Wemos D1 ESP32 ESP-32 WiFi Bluetooth 4MB Flash For U-N-O D1 R32 Board Module CH340 CH340G Development Board For Arduino

ESP32 Industrial Controller Edge Computing Ethernet WiFi BT 4G CAT.1 RS485 RS232 2DI 2DO Relay CH340 Type-C/DC8-36V Power Supply