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ESP8266 ESP-201 module - first impressions
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smarpldotcom
Sat, 02/28/2015 - 04:57
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Don't forget to connect CHIP
Don't forget to connect CHIP_EN to 3.3V (This is required for all ESP modules, not only for ESP-201). Even if your terminal set to wrong speed there will be some garbage output if the module is working.
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Don't forget to connect CHIP