ESP8266 Programmer
thingiverse
To enter programming mode on the ESP8266, simply hold the GPIO0 input low during a reset or power-up cycle. The NodeMcu module handles this automatically, so you don't need to press any buttons - just program from within the Arduino IDE. The NodeMcu module takes care of lowering GPIO0 and briefly holding the reset low, then the IDE programs the chip. If uploads are slow, try increasing the Arduino IDE's upload speed; 230400 baud works well and saves time. Parts: NodeMcu board - http://www.ebay.com/itm/161833537754 5mm Green LED BC184L NPN transistor (or any signal transistor) 10K resistor 2K2 resistor 330R resistor 6 pin 90 degree header Prototyping board, cut to size. 6mm Tact switch with 7mm or large button For more details, see YouTube at https://www.youtube.com/watch?v=P2UC_UFZNS8
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