Buying a HC-05 module solved the issue. https://www.devobox.com/el/bluetooth/738-hc-05-serial-bluetooth-module-for-arduino-gr.html?search_query=bluetooth+&results=33 HC-05 Serial Bluetooth module (for Arduino) Input voltage: 3.6-6V Working current: matching for 30 mA, matching the communication for 10 mA Output Power Class: Class 2 Size: 43mm x 15mm HC-05 is READ MORE
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Blynk Pricing
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Send message from Blynk app to ESP8266
Blynk and ESP8266 led control
After we have connected Arduino with Blynk, we have to add the following line at the setup method. pinMode(LED_BUILTIN, OUTPUT); And on the Blynk app we add a button and we can control the light.
Blynk and ESP8266 log temperature
Now lets log temperature to Blynk
HC-10 Bluetooth module failure
After connecting HC-10 to the Arduino or ESP8266 it seems that devices are not detecting the module so there are not able to connect to it. The module seems to be working. It detects surrounding Bluetooth devices when using in READ MORE
MPU9250 9-Axis Accelerometer Breakout
https://github.com/shadowmanpat/cinqlair-mpu9250 MPU-9250 The MPU-9250 is a multi-chip module (MCM) consisting of: 3-Axis accelerometer 3-Axis gyroscope 3-Axis magnetometer Wiring The following schematics shows how to connect the IMu to the Arduino Mega: # Source code Source code on GitHub. # Download Files can READ MORE
Arduino Uno Rev3
The Arduino Uno Rev3 is a microcontroller board based on the ATmega328 (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a READ MORE
HM-10 Serial Bluetooth 4.0 module (for Arduino)
NodeMCU 3V3 to HM-10 VCC NodeMCU GND to HM-10 GND NodeMCU D5 to HM-10 TX NodeMCU D6 to HM-10 RX Arduino Bluetooth Controller (HM-10 Module) https://play.google.com/store/apps/details?id=com.argonremote.bluetoothcontroller&hl=en https://www.instructables.com/id/ESP8266-HM-10-IBeacon-Proximity/ https://gist.github.com/karesztrk/a2e479d69985a7e9e4f8c6ba0f765ede
Kit 37 sensors for Arduino
https://www.devobox.com/en/kits/793-37-in-1-sensor-box-kit-for-arduino.html?search_query=Kit+37+%CE%91%CE%B9%CF%83%CE%B8%CE%B7%CF%84%CE%AE%CF%81%CF%89%CE%BD+&results=53