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Check out the TTGO T-Display example sketches from the TFT_eSPI and ESP32 Dev Board Arduino IDE libraries. See the colorful graphics capabilities. Then see a couple of simple web servers. You can master the TTGO T-Display.
Finished the temperature sensors which I now have around the house. Used a #protoshield for the #Wemos D1 mini with the #DS18B20 digital temperature sensor. Power is supplied via a #powerbank which has two 18650 Li-ion batteries recovered from an old laptop battery. With the Wemos in sleep mode most of the time and waking every 10 minutes to do the measurement and then going back to sleep, I get about 18 days battery life. I originally tried a Xiaomi powerbank, but because the current draw of the Wemos was so low when in sleep mode, the powerbank would think there was no load and turn off, therefore not allowing the Wemos to wake up! Ended up getting some battery holder/charger from eBay and they work a treat. Also needed to solder a resistor between D0 and the reset pin to enable the waking from sleep.
For the reporting/graphing, you can see the graph works for one channel, but I couldn't work out how to get multiple channels on one chart. Did some googling and came across a solution that uses HTML, JS and the Highstock charts, which after updating a couple of details to use my #thingspeak channels, it was running!
Many thanks to the following people for sharing their code to make this project possible for me.
Miika Pietila for the code for the Wemos: vaasa.hacklab.fi/2016/02/06/esp8266-on-nodemcu-board-ds18...
Jerome Bernard for the sleep code for the Wemos:
www.jerome-bernard.com/blog/2015/10/04/wifi-temperature-s...
turgo for the multiple channel charts:
forum.arduino.cc/index.php?topic=213058.0
#iot #esp8266 #electronics
A comment on one of my "TTGO T-Display" videos points to an online image converter that allows you to make your own custom images to display on your TTGO T-Display's 240x135 OLED display.
On the TTGO T-Display, mix example sketches in the Arduino IDE into a web server that changes content based on which button is pressed. The web client syncs with the web server. Both display the current state.
Configure the Arduino IDE for the TTGO T-Watch 2020. Install the libraries, add the board manager URL and check out the all possibilities on the examples menu.
Now that we have prepared the Arduino IDE for the TTGO T-Watch 2020, it is a simple matter to try out some of the example sketches. Some are pretty cool, some not so cool. But each of them gives us a new opportunity to learn more about programming the TTGO T Watch 2020.
TTGO T-Watch 2020 Prepare the Arduino IDE
TTGO T Display Convert Images for Your Own Custom Display
ShotokuTech TTGO ESP32 T-Display Playlist
www.youtube.com/playlist?list=PLVPBipeObwMOWB6awaSurVOjUm...
Now that we have prepared the Arduino IDE for the TTGO T-Watch 2020, it is a simple matter to try out some of the example sketches. Each provides an opportunity to learn more about the TTGO T Watch 2020.
If you have Arduino IDE, so kindly look this infographic. Now Arduino IDE 1.0.1 have new features, and this released by official The Arduino development teams. Here is you get the “Arduino IDE 1.0.1 – Highlight The New Features”. Must watch.
Are you looking for Arduino software development service? Then you are at the right place.
In this project, we are going to connect Node MCU ESP8266 and RFID- RC522 with MYSQL Database. So for that first we should connect our Node MCU ESP8266 Board with RFID Module. By using the RFID Module, scan RFID card and tag which are allow or not. And by using our ESP8266 we are going to send that data to our MYSQL Database which is connect through a php page.
goo.gl/JBUzBp