ESP8266 ESP-12F Serial Port Module

Flashing the ESP8266

ESP8266 programmer

Flasher tool

1. Download the NodeMCU PyFlasher [1]
2. Download the ESPlorer [2]
3. Download latest greatest NodeMCU build [3]

Software

<syntaxhighlight lang="cpp">

1. include <Homie.h>

HomieNode lightNode("light", "Light", "switch");

bool globalInputHandler(const HomieNode& node, const HomieRange& range, const String& property, const String& value) {

 Homie.getLogger() << "Received on node " << node.getId() << ": " << property << " = " << value << endl;
 return true;

}

void setup() {

 Serial.begin(115200);
 Serial << endl << endl;
 Homie_setFirmware("global-input-handler", "1.0.1");
 Homie.setGlobalInputHandler(globalInputHandler);

 lightNode.advertise("on").setName("On").setDatatype("boolean").settable();

 // set the name of the device family
 Homie_setBrand("T19SMWV01");
 // stup homie
 Homie.setup();

}

void loop() {

 Homie.loop();

} </syntaxhighlight>

Documentation Arduino ESP8266

• Arduino ESP8266 documentation
• Beginners guide to ESP8266

Pinout overview

ESP8266-12 Pinout

Esp minimal connection

ESP8266-12 Minimal connection

Esp minimal connection mechanical

Design image	Implementation result	Thingiverse link
Esp minimal mounting jig 3D printing	Esp minimal mounting jig 3D printing	https://www.thingiverse.com/thing:3562829
To edit table: File:Esp minimal mechanical jig.tng

Pinout

Mapping	ADC	Serial	Pin	ESP8266-12	Pin	Serial	Mapping
			RESET		D1	TX0
	ADC		ADC		D3	RX0
			CHPD		D5	SCL
			D16		D4	SDA
		SCK	D14		D0
		MISO	D12		D2	TX1
		RX0* / MOSI	D13		D15	SS /TX0*
3V3			VCC		GND		GND
To edit table: File:ESP8266-12.tgn