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Figure 3.5. Picture of the front view of the 6 channel RF Wireless smart receiver controller Description:

Figure 3 5. Picture of the front view of the 6 channel RF Wireless smart receiver controller Description:

Related Figures (48)

Figure 2.1. : Types of inverters’ wave forms [9] 2.3. Square Wave Inverters
Figure 2.1. : Types of inverters’ wave forms [9] 2.3. Square Wave Inverters
utput on an oscilloscope, you would see continuous square or rectangular waveforms. The
utput on an oscilloscope, you would see continuous square or rectangular waveforms. The
Figure 2.3. : Astable multi-vibrator (Q1 saturated) [14] eason, either of the transistors may be assumed to conduct for circuit analysis purposes. Essentially, all the current in the circuit flows through Q1; Q1 offers almost no resistance to because the circuit is symmetrical; that is, Rl =R4, R2 =R3, C1 =C2, and Q1 =Q2. It
Figure 2.3. : Astable multi-vibrator (Q1 saturated) [14] eason, either of the transistors may be assumed to conduct for circuit analysis purposes. Essentially, all the current in the circuit flows through Q1; Q1 offers almost no resistance to because the circuit is symmetrical; that is, Rl =R4, R2 =R3, C1 =C2, and Q1 =Q2. It
The next state is shown in figure 2.4. The negative voltage accumulated on the right side on almost instantaneously. Q2 starts conducting and quickly saturates, and the voltage at output
The next state is shown in figure 2.4. The negative voltage accumulated on the right side on almost instantaneously. Q2 starts conducting and quickly saturates, and the voltage at output
Figure 2.7. Astable Multivibrator using 555 Timer Circuit Diagram [17] which is active low and is connected to Vcc to avoid accidental resets. 5th pin is the Control
Figure 2.7. Astable Multivibrator using 555 Timer Circuit Diagram [17] which is active low and is connected to Vcc to avoid accidental resets. 5th pin is the Control
Figure 2.8. Astable Multivibrator using 555 Timer Working [18]
Figure 2.8. Astable Multivibrator using 555 Timer Working [18]
Figure 2.9. : Sine-wave voltage and conventional square wave voltage with both 230 Volt square wave voltage can be transformed to a value of 230 Volts or even higher (radi wave inverter, due to its simplicity. With the help of a transformer the generated modified the sine-wave voltage is 325 Volts, i.e. factor V2 more than rms. For electric lamps this is
Figure 2.9. : Sine-wave voltage and conventional square wave voltage with both 230 Volt square wave voltage can be transformed to a value of 230 Volts or even higher (radi wave inverter, due to its simplicity. With the help of a transformer the generated modified the sine-wave voltage is 325 Volts, i.e. factor V2 more than rms. For electric lamps this is
Figure 2.10. : Voltage with duty cycle 25% for 230 Volts r.m.s ("Modified sine") [20] according to this principle in former times. square waves. The industry nevertheless manufactured modified square wave inverters electric consumers. The trick is, to switch the output power only for one half of every
Figure 2.10. : Voltage with duty cycle 25% for 230 Volts r.m.s ("Modified sine") [20] according to this principle in former times. square waves. The industry nevertheless manufactured modified square wave inverters electric consumers. The trick is, to switch the output power only for one half of every
Figure 2.12. RF Based Wireless Remote Control System receiver module [21] header bits via an RF transmission medium upon receipt of a trigger signal. Solder bridges f the two logic states. The programmed addresses/data are transmitted together with the
Figure 2.12. RF Based Wireless Remote Control System receiver module [21] header bits via an RF transmission medium upon receipt of a trigger signal. Solder bridges f the two logic states. The programmed addresses/data are transmitted together with the
The current consumption with a supply voltage of near 5.4V is about 10 mA. Since the
The current consumption with a supply voltage of near 5.4V is about 10 mA. Since the
This integrated RF receiver module has been tuned to a frequency of 433.92M Hz,exactly
This integrated RF receiver module has been tuned to a frequency of 433.92M Hz,exactly
Figure 2.15. Pin Assignment of the 434MHz Receiver module [21] ‘can use in OOK /HCS / PWM modulation signal and demodulate to digital signal. [21]
Figure 2.15. Pin Assignment of the 434MHz Receiver module [21] ‘can use in OOK /HCS / PWM modulation signal and demodulate to digital signal. [21]
Figure 2.16. RF Receiver Schematic Diagram [21]
Figure 2.16. RF Receiver Schematic Diagram [21]
Figure 3.1. Simulation of the astable multivibrator The above figure shows the 555 timer connected as an astable multivibrator. Initially when
Figure 3.1. Simulation of the astable multivibrator The above figure shows the 555 timer connected as an astable multivibrator. Initially when
Figure 3.2. DC to AC Modified Sine Wave Inverter sine wave. This is made up of the oscillator, decoding, the regulator and the signal amplifier. Figure 3.1 shows the schematic circuit of the Oscillation and Signal Amplification Schematic
Figure 3.2. DC to AC Modified Sine Wave Inverter sine wave. This is made up of the oscillator, decoding, the regulator and the signal amplifier. Figure 3.1 shows the schematic circuit of the Oscillation and Signal Amplification Schematic
When grid power is on, the transformer T1 is energized which triggers all the switches to as electromagnetic switches to control the operation of the inverter tum on and off “ON” mode. At this mode the loads automatically connects to the grid power and DC supply
When grid power is on, the transformer T1 is energized which triggers all the switches to as electromagnetic switches to control the operation of the inverter tum on and off “ON” mode. At this mode the loads automatically connects to the grid power and DC supply
Table 3.1. Technical Specifications
Table 3.1. Technical Specifications
different remote control codes.
different remote control codes.
3.1.6. System Design Circuit Figure 3.7 schematic circuits for the entire project
3.1.6. System Design Circuit Figure 3.7 schematic circuits for the entire project
Low voltage soldering irons are available, but their extra safety is undermined if one have a transistors and 60 to 100watts for thick cables and joints.
Low voltage soldering irons are available, but their extra safety is undermined if one have a transistors and 60 to 100watts for thick cables and joints.
nits are too fragile to use reliably in a hand drill. [26]
nits are too fragile to use reliably in a hand drill. [26]
The Basic Oscilloscope C ontrols
The Basic Oscilloscope C ontrols
direction, this is called breakdown. [29] Figure 3.25. Anode and cathode of diode [29] or more) and if this is exceeded the diode will fail and pass a large current in the reverse Diodes must be connected the correct way round, the diagram may be labelled A or + for in the forward direction. However, all diodes have a maximum reverse voltage (usually 50V
direction, this is called breakdown. [29] Figure 3.25. Anode and cathode of diode [29] or more) and if this is exceeded the diode will fail and pass a large current in the reverse Diodes must be connected the correct way round, the diagram may be labelled A or + for in the forward direction. However, all diodes have a maximum reverse voltage (usually 50V
Figure 3.26.Plastic and metal cap transistor [29] transistor is being used to amplify voltage. circuits a resistor is used to convert the changing current to a changing voltage, so the A transistor may be used as a switch (either fully on with maximum current, or fully off with
Figure 3.26.Plastic and metal cap transistor [29] transistor is being used to amplify voltage. circuits a resistor is used to convert the changing current to a changing voltage, so the A transistor may be used as a switch (either fully on with maximum current, or fully off with
are new to electronics it is best to start by learning how to use NPN transistors. The leads are labeled base (B), collector (C) and emitter (E). understanding how a transistor is used, so just treat them as labels!
are new to electronics it is best to start by learning how to use NPN transistors. The leads are labeled base (B), collector (C) and emitter (E). understanding how a transistor is used, so just treat them as labels!
with this because a wrongly connected transistor may be damaged instantly when one switch
with this because a wrongly connected transistor may be damaged instantly when one switch
The drawings on the right show the leads for some of the most common case styles. !!° (e) Power Transformers A transformer is a device that transfers electrical energy from one circuit to another through
The drawings on the right show the leads for some of the most common case styles. !!° (e) Power Transformers A transformer is a device that transfers electrical energy from one circuit to another through
Ns less than Np. By appropriate selection of the ratio of turns, a transformer thus allows an alternating current such a way that, when triggered, they will shunt the current created by the high voltage away
Ns less than Np. By appropriate selection of the ratio of turns, a transformer thus allows an alternating current such a way that, when triggered, they will shunt the current created by the high voltage away
Only non-ohmic variable resistors are usually called varistors. Other, ohmic types of variable (h) Integrated Circuits (NE555N) The 8-pin 555 timer must be one of the most useful ICs ever made and it is used in many
Only non-ohmic variable resistors are usually called varistors. Other, ohmic types of variable (h) Integrated Circuits (NE555N) The 8-pin 555 timer must be one of the most useful ICs ever made and it is used in many
give a true reflection of R.M.S value. theoretical rating. The filament bulb were the preferred load used for testing because they The power consumption of the system was invariably reasonable as compared to DC to AC based on the amount of load it could operate freely without over heating within the
give a true reflection of R.M.S value. theoretical rating. The filament bulb were the preferred load used for testing because they The power consumption of the system was invariably reasonable as compared to DC to AC based on the amount of load it could operate freely without over heating within the
Figure 4.2. Back view of the prototype transfers, the computer did not restart the wireless remote controlled the switching of loads
Figure 4.2. Back view of the prototype transfers, the computer did not restart the wireless remote controlled the switching of loads
MICHAEL KOFI ADU. BEng. ( Hons.) Regent-Ghane
MICHAEL KOFI ADU. BEng. ( Hons.) Regent-Ghane
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Instrumentation Engineering
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