Home security: access control with ESP8266, RFID and Telegram

https://www.techrm.com/home-security-access-control-with-esp8266-rfid-and-telegram/

#breadboard,#dictionary,#digital,#Dupontcables,#esp8266,#internetofthings,#iot,#led,#LEDdiode,#library,#NodeMCU,#platformio,#redLED,#relay,#resistor,#RESTAPI,#rfid,#RTC,#SDcard,#SDcardmodule,#SDcardreader,#sensor,#sensors,#telegram,#tutorial

ESP8266 data logger: temperature and humidity measurements, SD card storage and remote access with REST API

https://www.techrm.com/esp8266-data-logger-temperature-and-humidity-measurements-sd-card-storage-and-remote-access-with-rest-api/

#breadboard, #datalogger, #DHT22, #DS3231, #Dupontcables, #esp8266, #internetofthings, #iot, #library, #platformio, #realtimeclock, #RTC, #SDcard, #SDcardmodule, #SDcardreader, #sensor, #sensors, #tutorial

Take control of gas monitoring: DIY gas sensor with SD card logging using MQ-135 sensor and DS3231 RTC

https://www.techrm.com/take-control-of-gas-monitoring-diy-gas-sensor-with-sd-card-logging-using-mq-135-sensor-and-ds3231-rtc/

#breadboard,#datalogger,#digital,#digitalelectronics,#DS3231,#Dupontcables,#esp8266,#Gassensor,#internetofthings,#iot,#library,#NodeMCU,#platformio,#realtimeclock,#RTC,#SDcard,#SDcardmodule,#SDcardreader,#sensor,#sensors,#tutorial,#MQ-135