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PROJECT 7: IR REMOTE CONTROL TESTER

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Listen

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to your IR remote

PI

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5cm

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Summary of Contents for WSEDU02

Page 1: ...EN SOLAR ENERGY EXPERIMENT KIT WSEDU02 AGE 12 ASSEMBLY MANUAL whadda com ...

Page 2: ...2 ...

Page 3: ...D turns on when the batteries are charging pag 16 Solar Musical Instrument More light higher note pag 18 IR Remote Control Tester Listen to your IR remote pag 20 Solar Garden Light LED turns on at dusk and turns off at dawn fully automatic pag 22 Solar Motion Detector Beam Break Detector Announce wanted or unwanted guests pag 24 Solar Powered Alarm Armed LED Charges during the day scares burglars ...

Page 4: ...nto electricity which we will use in all projects More light means more electricity Point the black surface towards the sun Will hold all your experiments The white lines show how the holes are electrically connected with eachother Velleman part SDAD102 Velleman part YH 39X35 Breadboard ...

Page 5: ... resistor values are supplied They serve as current limiters or as voltage dividers Resistors do not have a polarity Resistors values are indicated by means of coloured rings The unit of resistance is called Ohm Flat side Shortest leg Just a piece of bare wire to connect two points in a circuit Wire jumper Ultrabright yellow red LED Resistors ...

Page 6: ... BAT85 Battery holder Holder for two AAA rechargeable batteries Mind the polarity Velleman part BH421A A special case Zener diodes Zener diodes allow the current to flow from to as regular diodes do If you invert the polarity they drop a certain voltage which can be found on the body of the zener diode e g 2V4 2 4V Velleman part ZA2V4 ...

Page 7: ...the sound of a cricket This device is has a polarity Watch the position of the notch Velleman part VKEDU02 Transistors E B C C B E A transistor is an amplification device By means of a small current a much larger current is controlled Transistors come in two flavours NPN and PNP types depending on the polarity With this kit you receive a BC557 PNP transistor A transistor has 3 pins Base Emitter an...

Page 8: ...8 PROJECT 1 SOLAR POWERED LED As long as the sun shines the led will light ...

Page 9: ...of the led and via the of the led back to the solar cell On a sunny day the solar cell will generate 3 4 volts The led only requires 2 volts to operate Resistor R1 converts the excess voltage into a little heat hereby protecting the led from damage Time to experiment What happens when you swap and of the led What happens when you replace the 100 ohm resistor with a 47000 ohm resistor yellow purple...

Page 10: ...10 PROJECT 2 SOLAR FLASHING LED Solar powered attention grabber µC Jumper wire ...

Page 11: ...ge is supplied by the solar panel The microcontroller is pre programmed with software that turns the output on and off in a loop The signal is output via pin 4 When the output is on current flows via the led and the resistor hereby causing the led to light µC SOLAR CELL VDD 2 VSS 7 GP3 MCLR VPP 8 GP2 T0CLKI FO SC4 3 GP1 ICSPCLK 4 GP0 ICSPDAT 5 IC1 PIC10F200 I PG LD1 R1 100 ...

Page 12: ...12 PROJECT 3 SOLAR POWERED CRICKET As long as the sun shines the circket will µC Jumper wire Jumper wire ...

Page 13: ...controller is pre programmed with software that generates a realistic cricket chirp The chirp signal is output via pin 4 The electrical signal is converted to sound via the piezo speaker µC SOLAR CELL VDD 2 VSS 7 GP3 MCLR VPP 8 GP2 T0CLKI FO SC4 3 GP1 ICSPCLK 4 GP0 ICSPDAT 5 IC1 PIC10F200 I PG BUZ1 PIEZO Hint Use this circuit as a wake up at dawn alarm It will wake you at sunrise ...

Page 14: ...14 PROJECT 4 SIMPLE SOLAR BATTERY CHARGER Free energy to keep your batteries in Not included Insert two AAA 1 2V rechargeable batteries ...

Page 15: ...eaches the solar cell Max current with the supplied cell is 30mA A diode prevents discharge of the batteries trough the solar cell e g at nighttime as it only allows the current to pass in one direction SOLAR CELL BAT85 How long does it take to fully charge the batteries Check the capacity of your batteries You can find this info printed on the battery Usually it is expressed in mAh e g 300mAh Mul...

Page 16: ...16 A led turns on when the batteries are charging Insert two AAA 1 2V rechargeable batteries PROJECT 5 SOLAR BATTERY CHARGER WITH CHARGE INDICATOR Not included ...

Page 17: ... our batteries The fact that there is a current flowing between Emitter and Base causes the transistor to turn on and fully conduct as if it were a switch Hence a current can flow from the solar cell via the transistor Emitter Collector and resistor to the led and back to the solar cell This current causes the led to light solid line SOLAR CELL BC557 4K7 or ange led For advanced users The led turn...

Page 18: ...18 PROJECT 6 SOLAR MUSICAL INSTRUMENT More light higher note PIC µC 470 4K7 4K7 Jumper wire Wire ...

Page 19: ...is also divided by two by means of two equal resistors 4K7 and fed to the analog input of the PIC Even in bright sunlight the input receives no more than 4 5 2 2 25VDC The internal software measures the voltage at the input and translates it to a variable audio frequency note The piezo sounder converts the signal into sound When the amount of light received by the solar cell changes the voltage at...

Page 20: ...20 PROJECT 7 IR REMOTE CONTROL TESTER Listen to your IR remote PI 5cm ...

Page 21: ...re operated This beam of light is turned on and off very fast by the internal electronics of the remote control The pattern generated by the on off transitions is different for each button of the remote This allows the receiver to recognise each individual button In this circuit the on off transistions are translated into sound by the piezo sounder More fun Try listening to different light sources...

Page 22: ...22 PROJECT 8 SOLAR GARDEN LIGHT Led turns on at dusk and turns off at dawn fully automatic Insert two AAA 1 2V rechargeable batteries Not included 4K7 470 Jumper wire ...

Page 23: ...ischarging of the batteries trough the solar cell in low light conditions The base of the transistor is tied to ground by means of the 4K7 resistor This causes the transistor to turn on and allows a current to flow from the batteries trough the transistor the led and via 470 ohm resistor back to the batteries The led will turn on However note that the base of the transistor is also tied to the of ...

Page 24: ...24 PROJECT 9 SOLAR MOTION DETECTOR BEAM BREAK DETECTOR Announce wanted or unwanted guests µC 470 4K7 4K7 Wire Jumper wire ...

Page 25: ...alog input of the controller Even in bright sunlight the input receives no more than 4 5 2 2 25VDC The internal software measures the voltage at the input and compares it to the previous level When it detects a sudden change i e When the beam is interrupted or someone casts a shadow on the solar cell it generates a sound trough the piezo SOLAR CELL ZD1 2V4 BUZ1 PIEZO R1 4K7 R2 4K7 R3 470 VDD 2 VSS...

Page 26: ...26 PROJECT 10 SOLAR POWERED ALARM ARMED LED Charges during the day scares burglars at night PIC µC 4K7 Insert two AAA 1 2V rechargeable batteries 100 Not included Jumper wire Jumper wire ...

Page 27: ...rn on and supply power to the µcontroller The controller will behave identical to project 2 so the led will flash However note that the base of the transistor is also tied to the of the solar cell so as long as the sun shines the base of the transistor is kept high enough to prevent turn on of the transistor so the led remains off at daytime Required parts Solar cell microcontroller µC 4K7 resisto...

Page 28: ...Modifications and typographical errors reserved Velleman Group nv Legen Heirweg 33 9890 Gavere België WSEDU02 02082021 Whadda com ...

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