Infa-Red Remote Control






المكونات


Part , Total Qty. ,Description


R115K 1/4W Resistor


R2, R3, R435K Pot


Q11NPN Phototransistor


Q212N3906 PNP Transistor


K11Low Current 12V SPST Relay


K21High Current 12V SPDT Relay


S11SPST Switch


B11Car Battery


MISC1Case, wire, board, knobs for pots









Schematic For Transmitter



Schematic For Receiver




المكونات





R1122K 1/4W Resistor


R211 Meg 1/4W Resistor


R311K 1/4W Resistor


R4, R52100K 1/4W Resistor


R6150K Pot


C1, C220.01uF 16V Ceramic Disk Capacitor


C31100pF 16V Ceramic Disk Capacitor


C410.047uF 16V Ceramic Disk Capacitor


C510.1uF 16V Ceramic Disk Capacitor


C613.3uF 16V Electrolytic Capacitor


C711.5uF 16V Electrolytic Capacitor


Q112N2222 NPN Silicon Transistor2N3904 Q212N2907 PNP Silicon Transistor


Q31NPN Phototransistor


D111N914 Silicon Diode


IC11LM308 Op Amp IC


IC21LM567 Tone Decoder


LED11Infa-Red LED


RELAY16 Volt Relay


S11SPST Push Button Switch


B113 Volt BatteryTwo 1.5V batteries in series MISC1Board, Sockets For ICs, Knob For R6, Battery Holder


RELAY16 Volt Relay



LASER Transmitter/Receiver





Schematic Of Transmitter







Schematic Of Receiver






المكونات

C1, C220.1uf Ceramic Disc Capacitor


C31100uf 25V Electrolytic Capacitor


R11100K Ohm 1/4W Resistor


R211M Ohm 1/4W Resistor


R3110K Pot


Q11NPN Phototransistor


U11741 Op Amp


U21LM386 Audio Amp


SPKR118 Ohm Speaker


T118 Ohm:2K Audio Transformer


MISC1Wire, Board, Knob For R3, LASER Tube and Power Supply






Light/Dark Detector






المكونات

R11100K Pot


Q1 2N3904 NPN Transist or 2N2222


Q2 NPN Phototransistor


RELAY19V Relay


MISC1Board, Wire, 9V Battery Snap (if battery used), Knob For R1



Segment LED Counter














المكونات


R1-R77470 Ohm 1/4 Watt Resistor


U1174LS90 TTL BCD Counter IC7490,74HC90 U2174LS47 TTL Seven Segment Display Driver IC7447,74HC47 DISP11Common Anode 7 Segment LED Display


MISC1Board, Sockets For ICs, Wire






AC Motor Speed Controller









المكونات


R1127K 1W Resistor


R2110K 1/4W Resistor


R31100K 1/4W Resistor


R4133K 1/4W Resistor


R512.2K 1/4W Resistor


R611K 1/4W Resistor


R7160K Ohm 1/4W Resistor


R813K Linear Taper Trim Pot


R915K Linear Taper Pot


R1014.7K Linear Taper Trim Pot


R1113.3K 1/4W Resistor


R121100 Ohm 1/4W Resistor


R13147 Ohm 1W Resistor (See Notes)


C1, C320.1uF Ceramic Disc Capacitor


C21100uF 50V Electrolytic Capacitor


D116V Zener Diode


Q112N2222 NPN Transistor2N3904 SCR11ECG5400


TR11TRIAC (See Notes)


U11DIAC Opto-Isolator (See Notes)


BR1, BR225A 50V Bridge Rectifier


T11Transformer (See Notes)


MISC1PC Board, Case, Line Cord, Socket For U1, Heatsinks




Pulse Width Modulation DC Motor Control








المكونات


R111 Meg 1/4W Resistor


R21100K Pot


C110.1uF 25V Ceramic Disc Capacitor


C210.01uF 25V Ceramic Disc Capacitor


Q11IRF511 MOSFETIRF620 U114011 CMOS NAND Gate


S11DPDT Switch


M11Motor (See Notes)


MISC1Case, Board, Heatsink, Knob For R2, Socket For U1






Rain Detector










المكونات


R111K 1/4 W Resistor


R21680 Ohm 1/4 W Resistor


D111N4001 Silicon Diode


BZ1112V Buzzer


S11SPST Switch


SCR11C106B1 SCR106CY SENSOR1See Notes


MISC1Board, Wire, Case, PC Board (For Sensor)







Time Delay Relay








المكونات


R111 Meg Pot


R2110 K 1/4 Watt Resistor


C1110uf 25V Electrolytic Capacitor


C210.01uf Ceramic Disc Capacitor


D1,D221N914 Diodes


U11555 Timer IC


RELAY19V Relay


S111A 120V SPST Switch


MISC1Board, Wire, Socket For U1









Time Delay Relay II









المكونات


C11See Notes


R11See Notes


D111N914 Diode


U114011 CMOS NAND Gate IC


K116V Relay


S11Normally Open Push Button Switch


MISC1Board, Wire, Socket For U1









Phone Busy Indicator













المكونات


R113.3K 1/4 W Resistor


R2133K 1/4 W Resistor


R3156K 1/4 W Resistor


R4122K 1/4 W Resistor


R514.7K 1/4 W Resistor


Q1, Q222N3392 NPN Transistor


BR111.5 Amp 250 PIV Bridge Rectifier


LED11Red LED


LED21Green LED


MISC1Wire, Case, Phone Cord








Digital Keypad Combination Lock









المكونات



C111uF 25V Electrolytic Capacitor


C21220uF 25V Electrolytic Capacitor


R112.2K 1/4W Resistor


Q112N3904 NPN Transistor2N2222 D111N4148 Rectifier Diode1N4001-1N4007 K1112V SPDT RelayAny appropriate relay with 12V coil U11LS7220 Digital Lock IC


S1-S1212SPST Momentary PushbuttonKeypad (see notes) HD1112 Position Header










Simple Polarity Tester










المكونات



R111K 1/4W Resistor


D11Green LED


D21Red LED


D4, D5, D6, D741N4001 Silicon Diode1N4004, 1N4005, 1N4007 MISC1Board, Wire, Case, Probes








Simple Servo Controller







المكونات





R11820 Ohm 1/4W Resistor


R2168K 1/4W Resistor


R3110K 1/4W Resistor


R411K 1/4W Resistor


R511K Linear Taper Pot


C111uF 16V Electrolytic Capacitor


Q112N3904 NPN Transistor2N2222, Most Small Signal Transistors U11555 Timer IC


MISC1Board, Wire, Knob For R1, 8 Pin Socket For U1








Stepper Motor Controller











المكونات



R1, R2 ,R3, R441K 1/4W Resistor


D1, D2, D3, D441N4002 Silicon Diode


Q1, Q2, Q3, Q44TIP31 NPN Transistor (See Notes)TIP41, 2N3055 U114070 CMOS XOR Integrated Circuit


U214027 CMOS Flip-Flop


S11SPDT Switch


MISC1Case, Board, Wire, Stepper Motor









Touch Switch









المكونات



C1110uF 16V Electrolytic Capacitor


R1, R22100K 1/4 Watt Resistor


R3110 Meg 1/4 Watt Resistor


U114011 CMOS NAND Gate IC


MISC1Board, Wire, Socket For U1


Water Detector With Sump/Bilge Pump Controller









المكونات



R11470 Ohm 1/4 W Resistor


R2, R4110K 1/4 W Resistor


R316.8K 1/4 W Resistor


R511 Meg Linear Taper Pot


R6151K 1/4 W Resistor


C11470uF 35V Electrolytic Capacitor


C210.001uF Ceramic Disc Capacitor


C310.05 uF Ceramic Disc Capacitor


C4120uF 35V Electrolytic Capacitor


C516.8uF 35V Electrolytic Capacitor


C6, C820.01uF Ceramic Disc Capacitor


C71100uF 35V Electrolytic Capacitor


U11LM1830 Fluid Detection IC


U21555 Timer


Q112N5305 NPN Power Transistor


D1, D221N4148 Signal Diode


D311N4002 Rectifier Diode


K11Relay With 12V Coil (See Notes)


S11SPST Switch


PROBES1Stainless Steel Probes (See Notes)


MISC1Case, Knob, Board, Wire, Sockets For U1 and U2








Power Supply



variable 1.2-30 volts at 5 amps







المكونات



C1114000uF or 10000uf 40 VDC Electrolytic Capacitor


C21100uF 50Vdc Electrolytic Capacitor


C310.1uF Disc Capacitor


C410.01uF Disc Capacitor


R115K Pot


R21240 Ohm 1/4 W Resistor


U11LM338K 1.2 to 30 Volt 5 Amp Regulator


BR1110 Amp 50 PIV Bridge Rectifier


T1124 V 5 Amp Transformer


S11SPST Toggle Switch


MISC1Wire, Line Cord, Case, Binding Posts (for output)




Car Battery Charger








المكونات



R11500 Ohm 1/4 W Resistor


R213K 1/4 W Resistor


R311K 1/4 W Resistor


R4115 Ohm 1/4 W Resistor


R51230 Ohm 1/4 W Resistor


R6115K 1/4 W Resistor


R710.2 Ohm 10 W Resistor


C110.1uF 25V Ceramic Capacitor


C211uF 25V Electrolytic Capacitor


C311000pF 25V Ceramic Capacitor


D111N457 Diode


Q112N2905 PNP Transistor


U11LM350 Regulator


U21LM301A Op Amp


S11Normally Open Push Button Switch


MISC1Wire, Board, Heatsink For U1, Case, Binding Posts or Alligator Clips For Output