ESP8266 Community Forum

- Fri Nov 27, 2015 6:52 am #35134 Hello is there a pullup resistor in the esp8266-01 circuit board
If I pull gpio0 pin down I get some noise on the voltage.


Thanks in advance
Gino

- Fri Nov 27, 2015 7:03 am #35135 Hi, about 100k internal. Best to put a 10k external pullup on GPIO 0, 2 and pull down on15 (not all boards break 15 out).