ESP01 Programmer Adapter UART GPIO0 ESP-01 Adaptater ESP8266 CH340G USB To ESP8266 Serial Wireless Wifi Developent Board Module-ESP-01S

This moduel is an USB adpater/programmer for ESP8266 moduels of type ESP-01; It is conveniently fitted with a 2X4; 2.54mm female header to plug the ESP01; (according to illustration picture 2) and configure or run it right away; A large 1000μf cap will help getting a steady 5.0V VCC from the USB bus and and jumper (on the right of the 2x4P header)(we don't offer any jumper!!!!) will help configuring the GPIO0 line according needs. The module is based on the USB-UART bridget CH340 from WCH which is compatible with all platforms. Note: for an usage with Arduino ESP8266 platform and for Arduino IDE it is neceary to switch manually the GPlO0 state for working mode, in order to get a fully automatic upload it is most likely poible, for a very limited effort, to aign an unused control line from CH340 to driver the GPIO0 line; (probably at the cost of a neceary logic inversion), refer to the CH340 datasheet and most ant to the NodeMCU V0.9 which use the CH340 and already implementsthis solution, the schematic is open source and easily available.

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