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Copper wire:0.5mm/1mm Copper wire:0.1-0.4mm Motor Arduino esp8266 12E 5v relay module Alkaline battery:5v-9v AA battery:3v Android phone Blynk application No worry about this circuit because this is 100% working and tested. The basic consept of this circuit is below This circuit is possible because mini copper wire get more heat than the bigger wire. Codeing method First you install arduino ide on your pc Then copy and paste this code in your arduino #define BLYNK_PRINT Serial    // Comment this out to disable prints and save space #include <ESP8266WiFi.h> #include <BlynkSimpleEsp8266.h> // You should get Auth Token in the Blynk App. // Go to the Project Settings (nut icon). char auth[] = "YourAuthToken"; // Your WiFi credentials. // Set password to "" for open networks. char ssid[] = "YourNetworkName"; char pass[] = "YourPassword"; void setup() {   Serial.begi...

Pocket radio diagram Needed BF 494 transistor  T1, T2. Variable resistor. Variable capacitor. Inductor coil. Lm 386 IC Follow this diagram and do it, Then follow the instruction :Initially connect the circuit as shown in the figure. :Connect the power supply to the circuit. :Now press the switch. :Now adjust the frequency of the circuit by varying the trim pot (variable capacitor) of the tank circuit. :Thus the circuit starts tuning to the nearest frequency. :When the frequency of incoming signal is matched sound can be heard through the headphone or speaker. :Now tune the circuit to the  another frequency using tank circuit. :You can listen another sound incoming at that particular frequency. :Adjust the variable resistor to increase or decrease the volume. Try and enjoy it

windows 7 password hacking step by step Now you can  bypass your Windows 7 logon screen free with command prompt  in safe mode. In Windows 7 computer, there are 3 different types of safe modes to choose, Safe Mode, Safe Mode with Networking and Safe Mode with Command Prompt. In order to make full use of command prompt to bypass Windows login password, we just could select the third one. Step 1: Restart your Windows 7 computer and hold on pressing F8 to enter Advanced Boot Options. Step 2: Choose Safe Mode with Command Prompt in the coming screen and press Enter. Step 3: In pop up command prompt window, type net user and hit Enter. Then all Windows 7 user accounts would be listed in the window. Just find the login user which ever appeared again and again on Windows 7 logon screen. Step 4: Remove the Windows 7 login user password with net user command. For example, if...