DIY microphone jammer !

Protect your privacy ! Everyone can build this microphone jammer for less than 50$ : https://github.com/mcore1976/antispy-...

Before you start asking questions see the details of this jammer :

the connections diagram : https://github.com/mcore1976/antispy-...

the Arduino Digispark code : https://raw.githubusercontent.com/mco...

To make this device you need :
- Digispark board with ATTINY85 chip you can buy it f.ex. here https://www.aliexpress.com/item/20403... ,
- signal generator module AD9833 which you can buy here : https://www.aliexpress.com/item/10050... ,
- mono TPA3116D2 module ( XH-M543 ) which you can buy here : https://www.aliexpress.com/item/10050... ,
- set of AT LEAST 10 ultrasonic transducers/transmitters/sensors for 25kHz which you can buy here : https://www.aliexpress.com/item/32770...
- 12V-24V at least 1A power source
- colour cable to interconnect all of these devices.
- The capacitors on the diagram are optional (use it only when the audio amplifier does not work )

You have to follow my design and use TPA3116D2 board as an amplifer because some others like f.ex. TPA3110, TPA3118 seem not to work with ultrasonic transducers (TPA3110 gives only clicking sound instead of ultrasounds) and TPA 3118 gives too low signal (also do not use it ). Also the ultrasonic transducers/transmitters/sensors MUST be for 25kHz. These for 40kHZ simply will NOT work.

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