Monday, January 16, 2017

Circuit Diagram Remote Control using VHF Modules, NE555 and 4017 IC

Robotronicdiagram. - This is circuit diagram of Remote Control using VHF Modules, NE555 and 4017 IC like in Figure 1 below. The main component in this circuit diagram are VHF modules, NE555 and 4017 IC. 

In here we will show you also the component parts used and the simple description of this circuit diagram and the last we will give you link to read more about this circuit from original source. 

Circuit Diagram 

Component Part
  1. VHF Modules
  2. NE555 IC
  3. 4017 IC
  4. Resistors
  5. Capacitors
  6. Transistors
  7. Relays
  8. Diodes
  9. Zener Diodes
  10. Switch

Circuit diagram like in figure 1 above is Circuit Diagram Remote Control using VHF Modules, NE555 and 4017 IC. According ElectronicZone site describe that A few designs for remote control switches, using VG40T and VG40R remote control pair, are shown here.

The miniature transmitter module shown in Fig. 1, which just measures 34 mm x 29 mm x 10 mm, can be used to operate all remote control receiver-cum-switch combinations described in this project. A compact 9-volt PP3 battery can be used with the transmitter. It can transmit signals up to 15 metres without any aerial. The operating frequency of the transmitter is 300 MHz. The following circuits, using VG40R remote control receiver module measuring 45 mm x 21 mm x 13 mm, can be used to:
(a) activate a relay momentarily,
(b) activate a relay for a preset period,
(c) switch on and switch off a load.

To activate a relay momentarily (see Fig. 2), the switch on the transmitter unit is pressed, and so a positive voltage is obtained at output pin of VG40R module. This voltage is given to bias the relay driver transistor. The relay gets activated by just pressing push-to-on micro switch on the transmitter unit. The relay remains energised as long as the switch remains pressed. When the switch is released, the relay gets deactivated. Any electrical/electronic load can be connected via N/O contacts of the relay.

To activate a relay for a preset period (refer Fig. 3), the switch on the transmitter unit is pressed momentarily. The transistor gets base bias from VG40R module. As a result the transistor conducts and applies a trigger pulse to IC 555, which is wired as a monostable multivibrator. The relay remains activated till the preset time is over. Time delay can be varied from a few seconds to a few minutes by adjusting timing components.

Please read more this article from original source about circuit diagram of Remote Control using VHF Modules, NE555 and 4017 IC using link Here.

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