Most visited posts this week
-
Figure 1: Photograph of the transmitter. Figure 2: Photograph of the receiver. A number of readers, after completing the 4-cha...
-
With a PWM controller, this board allows very fine adjustment of the energy supplied (and thus the speed of rotation of the axis) to an...
-
Here we use again a hybrid module Aurel to produce, with very few components around, a ray of radio on-off dual channel capable of work...
-
This micro-transmitter UHF feasible in version 10 or 400 mW, can transmit the sounds it picks up within several hundred meters. Powered by 2... -
This device is a generator based on the voice audio chip from Holtek HT8950, when talking into the microphone, the voice from the loudspeake...
-
This receiver can operate in combination with 9-bit encoders or 12 bits. It can read and memorize the codes automatically, through a pr...
-
Figure 1: Diagram of the detector of magnetic material. If you approach an object's magnetic core of Ferroxcube choke L1, the LED li...
-
diagram of the transmitter 1Circuit UM3750 UM86409 MM53200N 1Transistor ZTX321 ou MPSH10 2N2369A ou BSX20 ou BF494 ou BF254 7 Dio... -
Figure 1: Diagram of the circuit flash LED and components list. I had a high brightness LEDs, such as the one you use in assembling EN...
-
Here is a wideband receiver, very sensitive, can detect the radio radiation at gigahertz megahertz. While it is interesting to locate t...
