Robot control with esp8266 receiver

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Despite successful attempts toggling pins with web server library, telnet protocol was way more reliable and faster. DHT temperature module is still included in code but optional, as well as the display. Status updates can still be received live over serial monitor. Parts needed: Wemos D1 Mini: www.ebay.de/WeMos-D1-mini  6€ Roboter kit: http://www.ebay.de/itm/Arduino-Roboter 11€ Motor-Dual-Bridge: www.ebay.de/itm/DE-Ship-L298N-Driver-Stepper-Motor-H-Dual-Bridge […]

Display weather data and chat with multiple android clients

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Needed: LCD with i2c interface: www.ebay.de/itm/LCD-1602-Blau-  5.50€ Wemos D1 Mini: www.ebay.de/WeMos-D1-mini  6.20€ DHT11: www.ebay.de/DHT11  3.30€ sum: 15€ Board circuit: Arduino source code: #include <ESP8266WiFi.h> #include <LiquidCrystal_I2C.h> #include “DHT.h” LiquidCrystal_I2C lcd(0x3F, 16, 2); //how many clients should be able to telnet to this ESP8266 #define MAX_SRV_CLIENTS 3 #define DHTTYPE DHT11 // DHT 11 // TO BE CHANGED […]