Latching ON/OFF Wireless Transmitter for UNDER $10!
electronicsNmore
Make your own latching ON/OFF wireless control unit from an inexpensive wireless doorbell! The range without adding an external antenna is between 100 and 200 feet. Considering the low cost of the unit, the quality is certainly worth the money. The unit is very reliable, and only a minimal amount of parts are required to perform the conversion. The uses for this circuit are endless. The current handling ability is determined by the rating of the relay contacts or logic level mosfet being used. Standby current is extremely low.
To make the wireless doorbell unit yourself (which cost more money that buying the unit ready made), please refer to the link below:
http://www.talkingelectronics.com/projects/27MHz%20Transmitters/27MHzLinks-3.html
For my video on the latching circuit, refer to this link:
https://www.youtube.com/watch?v=o9yV-katMdg
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