An ESP32 camera (cam) can take pictures at 2MB per second rate and transmit them up to 200 metres using a small antenna on 2.4GHz. But when it teams up with an internet-enabled network it can do ...
The Raindrops module consists of two boards, namely Rain Board and Control Board. The Rain control module which is shown below consists of 4 pins to connect the Arduino namely VCC, GND, D0, A0 and two ...
Analogue long range infrared beam break detector using an 38 kHz IR receiver module easily reaches distances of 7 meters and only uses NE555 chips. When i was designing the cat repeller, i first ...
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