Little spy fm transmitter
thingiverse
Listen up, amateur spies! Assemble this tiny DIY surveillance device in no time with a budget-friendly FM transmitter module and 3 LR44 batteries. This compact contraption lets you intercept secret conversations within a 30-meter radius using any standard FM radio receiver. Just remember, I'm not liable for your clandestine escapades - you're on your own! Get the FM transmitter module from Aliexpress here: http://s.click.aliexpress.com/e/7QFMBMj Add a miniature slide switch to control the device from Aliexpress here: http://s.click.aliexpress.com/e/M766eea Stock up on LR44 batteries for your spy gear from Aliexpress here: http://s.click.aliexpress.com/e/IUzjIqF
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