Check the listing for details. ESP-01S Programmer USB to ESP8266 Adapter Wireless WiFi Module UART PROG. Condition: New. Listed at 6.99 USD. Description: USB to ESP-01 adapter module has CH340G USB to TTL driver IC onboard, so you can easily use your computer to do ESP-01 functional debugging. ESP-01 serial wifi module can be directly plugged into the yellow pin header without any connection wires. Features: Working voltage: 4.5V - 5.5V (On-board 3.3v LDO Regulator) Working current: 300mA(LDO regulator can supply) Selectable working mode: On-board toggle switch. UART side for serial TTL debugging by AT commands, PROG for firmware programming USB to serial TTL chip: CH340G Logic level: 3.3V Applications: Home automation, sensor networks, industrial wireless control Package Included: 1 X USB to ESP8266 ESP-01 Wireless Wifi Adapter Module ESP-01S Programmer USB to ESP8266 Adapter Wireless WiFi Module UART PROGDescription: USB to ESP-01 adapter module has CH340G USB to TTL driver IC onboard, so you can easily use your computer to do ESP-01 functional debugging. ESP-01 serial wifi module can be directly plugged into the yellow pin header without any connection wires. Features: Working voltage: 4.5V - 5.5V (On-board 3.3v LDO Regulator) Working current: 300mA(LDO regulator can supply) Selectable working mode: On-board toggle switch. UART side for serial TTL debugging by AT commands, PROG for firmware programming USB to serial TTL chip: CH340G Logic level: 3.3V Applications: Home automation, sensor networks, industrial wireless control Package Included: 1 X USB to ESP8266 ESP-01 Wireless Wifi Adapter Module PaymentShippingDelivery timeReturn PolicyContact usPaymentPlease kindly make payment asap, so that we can arrange your order promtly. If you have any problem with payment, please feel free to contact us. ShippingWe provide tracking number for ALL orders. You can track your parcels. Delivery timeNormally it arrives in 10-15 business days to US and European countries. DHL /Fedex/UPS arrives in 7-8 business days. Return Policy1.All products are eligible for 30-days money back guarantee. 2.All returns should be guided by us. Please contact us for details before you return anything. Contact usPlease don't hasitate to contact us BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.We accept dropshipping, bulk orders and customized products. We are selling forArduino module, sensors, Nextion display and other oled or lcd screens. lidar range finder sensors, servo motors, various electronic components and for legoled, ect. BrandUnbrandedMPNDoes not applyCountry/Region of ManufactureChinaTypeUSB to ESP8266 ESP-01 Module