Arduino modules: Wifi esp8266

 

[1] code and scheme https://github.com/imjeffparedes/iot-esp8266-arduino-interface/tree/master

Circuit simulation online tools

 

[1] https://app.tinkered.ai

 

Arduino Sensors - Gas

 

 

References:

[1] gas sensors MQx https://naylampmechatronics.com/blog/42_tutorial-sensores-de-gas-mq2-mq3-mq7-y-mq135.html

[2] gas sensor MQ135 https://www.tecneu.com/blogs/tutoriales-de-electronica/mq135

[3] gas sensor MQ137 (Ammonia) https://circuitdigest.com/microcontroller-projects/arduino-mq137-ammonia-sensor 

Resources(wifi):

[1] https://mecatronica.saisac.pe/producto/modulo-esp-01-esp8266-wifi/

[2] https://www.electromania.pe/?s=ESP8266&post_type=product

[3] https://www.teslaelectronic.com.pe/producto/modulo-esp8266-serial-wifi/?srsltid=AfmBOoq-9awBhXa6sHpJDswF0XyhD_mICthqr3IEZgQzeOaCFI0GygXP

Setup Arduino IDE

 

avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied

$ ls -l /dev/ttyACM* 

crw-rw-r-- 1 root dialout ... /dev/ttyACM0

Fix:

sudo chmod a+rw /dev/ttyACM0 

Resources:

[1] https://www.arduino.cc/en/software/

[2] Simulator https://www.tinkercad.com/ 

Arduino Accesories

 [1] https://sawers.com.pe/modulo-lector-micro-sd-para-arduino-? 

[2] https://www.electromania.pe/productos/raspberry/placas/page/3 

Starting with Arduino

https://www.tinkercad.com/things/8YYy0sQM6cC
Multiple led https://www.tinkercad.com/things/ihxNGBzfmHo

References:

[1] Beginning C for Arduino http://it-ebooks.info/book/1581/
[2] Alternative IDE fritzing http://fritzing.org