1. L

    Accessing Data through web saved on microcontroller SD card

    I'm using a microcontroller (Arduino) to collect sensor data and saving it in .txt format in the interfaced SD card. I would like to access this data remotely through web (WAN). Please advise on how to do this and what kind of setup will be needed? Please share links of similar projects or...
  2. G

    What sensors do these 'air' drumsticks use?

    So there are many electronic 'air' drumsticks in the market, such as Aeroband, Freedrum, Senstroke, Aerodrums, etc. I wanted to know what sensors do these use or might have used to do what they do. For example, the Aeroband Pocketdrum have a pair of drumsticks with sensors, and a pair of foot...
  3. S

    IoT flood detection and avoidance project

    Aim The first aim of this project is the design and implementation of a system that detects rain, automatically triggers an alarm or buzzer and switches on an electrical socket which turns on a water pump. The second aim is the design and implementation of a system that eliminates or lessens the...
  4. MrNams

    Can we make onboard antenna external?

    Hello, Sorry 1) if this is wrong place 2) Dumb question. I am working on smart irrigation project, I have Arduino connected with 4 sensors and 1 actuator, Arduino collect data and send to ESP32 using Reyax RYLR896 Lora Module connected to it. I keep all PCBs in one waterproof box, but this...
  5. Shafty

    How Difficult would it for an IOT Expert to create his Own Remote for an Amazon Echo Plus in Today's World?

    Just 3 Buttons: Previous Next Mute/Unmute Oh. Sorry I forgot! In the Cheapest Possible way ;)
  6. mva007

    Help with two-way long-range wireless communication between two ESP32s

    My current setup involves sending-receiving few variable values, implemented using a struct variable, wirelessly between two ESP32s which are both physically present in the same room, using ESPNow. Each data is sent/rx at an interval of 15ms. This setup is working flawlessly for me. I'm also...
  7. U

    Implementing IoT RS485 to LoraWAN converter to a digital electric voltage/current/power meter

    Hello, I am a student at Escuela de Ingeniería de Gipuzkoa, and I am currently working on a project. The main goal is to estimate the electric consumption of a double-flux mechanical ventilation system (its motor), to do so, we are using an electric curent meter (SDM120M) and a RS485 to LoraWAN...
  8. Ethical23

    What devices/sensors do i need to monitor energy consumption on an app using an SBC???

    Should i use the Energy Meter or can i use a breaker?? I'm thinking about: Raspberry Pi B 4 AzureIoT (Cloud Platform) NodeMCU 8266 (Wifi module) I Know that in this case i need to used an AC to DC converter. Can you help me with this???
  9. I

    TTGO V1 no GPS signal

    Hey Folks, I am encountering the following problem. I have a TTGo board V1 and i tried compiling this code on it #include <TinyGPS++.h> #include <axp20x.h> TinyGPSPlus gps; HardwareSerial GPS(1); AXP20X_Class axp; void setup() { Serial.begin(115200); Wire.begin(21, 22)...
  10. P

    13.6 V to 3.7v/5v DC-DC Step Down to run ESP8266

    I have a garage door wall button which has 13.6v across. This is the typical wall button most of us have in the our homes to open and close the garage from inside the house. I want to replace the wall button and connect a ESP8266 IoT chip to control from smart phone and this chip only need...
  11. M

    Battery for ESP8266 ESP-12S A9G GSM (IoT Node v1.0 module)

    I`ve bought this board: link to shop (Elecrow ESP8266 ESP-12S A9G GSM GPRS+GPS IOT Node V1.0 Module) Here I`ve read about it: wiki page I would like to use that board with 1inch screen and send data with GSM. I would like to buy LiPoly rechargeable battery for it. I have quite basic electronic...
  12. G

    How can you design a PCB for climate control as well as to turn on lights via relay?

    I’m pretty much a noob when it comes to hardware and for awhile I have been trying to figure out how to design a PCB layout. The Problem I have is trying to figure out the values for capacitors and resistors how to connect them with the other parts (like pull up resistor, bypass capacitor etc...
  13. A

    Python for programming ESP8266/ESP32

    For all with interest in application of the ESP8266 and ESP32 family microcontrollers from Espressif, I would like to reccommend the following project we are working on. Based on Micropython, we havebuilt a basic framework for IoT projects with ESP chips. The framework has out of the box and...