Re: Problem sending a long data type from esp-01 to mysql
Posted: Sat Aug 19, 2017 8:06 pmQuickFix wrote:This is how I connect I2C devices to an ESP-01:The resistors R1 and R3 on SDA and SCL are highly recommended: if you leave them out, chances are your board won't always start (because GPIO0 might get pulled low unintentionally.
Thanks Quickfix, I'll try it