Sound activated RF remote relay
2021-06-29
I am to build a circuit that operates off some kind of sound input into a sound activated circuit, preferably some kind of voice operated relay circuit. This relay isRead More
NE612 – Balanced mixer with Local Oscillator
2020-01-13
I am designing a circuit that implements an AM radio circuit that ultilises the IC Double mixer and Oscillator NE612. I was just wondering whether there is any standard symbolRead More
2.5 GHz Frequency counter
2019-05-23
“Imagine you have a radio receiver and you wish to display the receiving frequency. As you know the oscillator in a radio receiver works 455 kHz or 10.7 MHz aboveRead More
Build RFID transmitter and receiver
2017-08-12
Guide on how to build my own RFID transmitter and receiver?Read More
