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     1  ~ 2013 dec 18digital voltimeter project3 digits Digital volt meter - CoolCircuitAs we know the most of PIC microcontroller has 8-bit/10-bit on-chip Analog to Digital converter module. In this project I use PIC16F676 which have ADC 10-bits   ...
     3  +5 2014 feb 26rf remote control pic3 channel RF remote control with TLP434A and RLP434A projectThis is a 3 channel RF remote control project.The transmitter powered by 3V battery(coin size) range about 10 m. Transmitter This remote control I use  ...
     3  ~ 2014 jan 10voltage doubling circuitVoltage Doubler ,Voltage Tripler,Voltage Quadrupler circuitVoltage Doubler ,Voltage Tripler,Voltage Quadrupler circuits .
     3  -1 2014 jan 07voltage doubler circuitVoltage Doubler , Voltage Tripler ,Voltage Quadrupler circuitVoltage Doubler , Voltage Tripler ,Voltage Quadrupler circuits .
     5  +2 2014 jan 10voltage multiplier schematicThe above circuit is cascade type voltage doubler circuit . Note : both type of the above voltage doubler circuit must have rated voltage of capacitor and diode  ...
     7  -1 2014 jan 30atmel isp programmerATMEL ISP Programmer Module - CoolCircuitATMEL Microcontroller can programming with ISP ( In-System Programming ) which easy to developt your applications without insert/remove microcontroller.
     9  ~ 2014 feb 25electronic circuitsElectronic CircuitsFree Electronic Circuits ,Electronic projects, diagram,schematic, software for all Hobbyist.
     10  +19 2014 feb 19inductance calculatorMulti-layer coil inductance calculator - CoolCircuitMulti-layer coil inductance calculator . Inductance (L): uH, mH, H. Coil Inner Diameter (d): inches, mm, cm. Coil Length (l): inches, mm, cm. Wire Gauge(AWG) :.
     10  -2 2013 dec 21solenoid inductance calculator
     10  +4 2013 dec 18burglar alarm circuitAlarm circuits - Burglar Alarm - CoolCircuitFree electronics circuit website Alarm circuits - Burglar Alarm .
     11  +10 2014 mar 06free electronic circuits
     11  ~ 2014 jan 22rf remote control circuit3 channel RF remote control with TLP434A and ... - CoolCircuitbuild a simple 3 channel RF remote control with TLP434A and RLP434A.
     11  +2 2013 dec 17nicd charger circuitNi-cd charger project - CoolCircuitThis is a NiCd /Ni-MH charger that can charge with constant current and automatic charge termination when the total voltage for all cells reach the setting voltage.
     13  +13 2014 feb 12555 timer calculatorAstable 555 Square Wave Calculator - CoolCircuitNote : 1) To calculate T1 and T2 given R1, R2 and C1. 2) To calculate R1 given T1, C1 and R2 only.Do not insert T2 3) To calculate R2 given T1, T2 and C1 only   ...
     13  +51 2013 dec 16regulated power supply schematicBasic Regulated power supply circuit - CoolCircuitThis is a basic regulated circuit power supply .The heart of this circuit is ZD1 on the base of transisitor T1 which is determine the require output voltage.So if you  ...
     14  +4 2014 feb 03all pic programmer pcbPIC Programmer projects support software winPic800, EpicWin Build PIC Programmer projects support winPic800, EpicWin, ProPIC18. ... There are two indicators LED on PCB .One for power supply and one for programming  ...
     15  -2 2014 feb 06burglar alarm circuits4 in 1 burglar alarm this circuit , the alarm will be switched on under the following four different conditions (10-Sep-2005)---158. Alarm circuit base on LM555
     17  +4 2014 feb 02e24 resistor seriesSeries and Parallel resistor closest calculator - CoolCircuitThis is a tool which to be used to combine of two resistors in series or parallel ... than the closest standard value, for the E12(10%) and E24 (2%,5%,10%) series   ...
     19  ~ 2014 mar 03electronic devices and circuitsRS232 transceiver circuits rs232 transceiver circuit which commond used for communicate between microcontroller and other devices such PC or any devices   ...
     19  -4 2014 feb 28sprint layoutFree electronics circuit website : Sprint - Layout 4.0Sprint - Layout is a simple tool to create layouts for single-sided and double-sided PCBs (Printed Circuit Boards). The software comes along with all functions that  ...
     19  -16 2014 feb 07infrared remote control circuit8 channel IR remote control - CoolCircuitThis IR remote control that you can use to control other devices or circuits up to 8 devices. The control codes are sent in RC5 format modulated to about 38 kHz  ...
     22  +18 2014 feb 16resistor e24Serie and Parallel resistor closest calculator. ... or parallel to gives a match better than the closest standard value, for the E12(10%) and E24 (2%,5%,10%) series  ...
     26  +3 2014 feb 03electronic circuit projectsfree electronic circuits , electronic projects - CoolCircuitLight Switch This is a light switch or light activated relay circuit . Simple an cheap LED flashing cirucit. This circuit only use 2 resistors,1 capacitor, 1 LED and 1  ...
     31  -24 2014 feb 18lm350 power supplyPower pulse circuit by LM350 and NE555 - CoolCircuitPower pulse circuit by LM350 and NE555. ... This circuit can use to drive lamp, power LED,DC motor etc. Adjust R5 ... This circuit requires 5-15V power supply .
     31  +19 2013 dec 25rf pll transmitter circuitsRF circuits -FM transmitter - CoolCircuitFree electronics circuit website RF circuits -FM transmitter . ... 2 Transistor FM Voice Transmitter with BC548 ... 500mW FM PLL transmitter 88-108MHz
     32  -8 2013 dec 03flashing led circuitSimple and cheap LED flashing circuit - CoolCircuitSimple and cheap LED flashing circuit . This is an simple and cheap LED flashing circuit .This circuit work for at lease 10V-13V power supply.
     35  +1 2014 feb 04irremote library for pinguinohttp://www.coolcircuit.com/gadgets/ 2011-04-06T03:37:27+00:00 daily 0.6 / ...... daily 0.6 http://www.coolcircuit.com/gadgets/2008/07/31/a-arduino- library -for-the- ..... 0.6 http://www.coolcircuit.com/gadgets/2008/07/15/a-super-simple- ir-remote -based-   ...
     35  -2 2013 dec 17digital amp meter3 digits Digital Ammeter - CoolCircuitHere is a digital Ammeter based on PIC16F684 and ACS712 current sensor. The measured DC or AC current will display on 3 digits 7-segment with resolution  ...
     36  -9 2013 dec 24flashing lights circuitLight flasher circuit - CoolCircuitThis circuit will generate signal to flashing the small lamp about every 1 second. The flashing rate control by adjust R1.The rate voltage of the lamp depend on  ...
     36  -4 2013 dec 19digital ampere meter
     36  -9 2013 dec 17electronic circuit designing
     37  +11 2014 jan 12digital ammeter meterHere is a digital Ammeter based on PIC16F684 and ACS712 current sensor. ... This project identical to my volt meter project except the microcontroller not same.
     37  -17 2014 jan 04flashing led circuits
     37  +9 2013 dec 16switching regulator circuit3V/3A switching regulator - CoolCircuitAfter search the infomation on the internet I have found LM2576-ADJ which is an adjustable output version of 3A Step-Down Voltage switching Regulator and  ...
     39  +32 2014 feb 14e12 resistorsThis is a tool which to be used to combine of two resistors in series or parallel to gives a match better than the closest standard value, for the E12 (10%) and  ...
     39  +7 2013 dec 11simple electronics projectsfree electronic circuits, electronic projects - CoolCircuitLight Switch This is a light switch or light activated relay circuit. Simple an cheap LED flashing cirucit. This circuit only use 2 resistors,1 capacitor, 1 LED and 1  ...
     39  +6 2013 dec 08pcb wizard libraryFree electronics circuit website : PCB Wizard 3Click to Enlarge. Description : This is a PCB design software that easy to use and it is number one in UK education.You can use this software to drawing  ...
     40  -3 2014 mar 04pic programming softwareThis is a PIC programmer project for program PIC Microcontroller devices via PC parallel port which support several software such as EPICWin, WinPic800, P18  ...
     40  -9 2014 jan 10resistor value calculatorStandard resistance values calculator - CoolCircuitThis is EIA standard resistance value calculator .The EIA types such as E6, E12, etc. were developed by EIA with the number (6 or 12) being the number of  ...
     40  -16 2013 dec 03led blinking circuit
     41  +9 2014 feb 25e12 resistor
     41  ~ 2014 jan 26free circuit diagramsFree Electronic Circuits ,Electronic projects, diagram , schematic , software for all Hobbyist.
     42  +59 2014 feb 02dark detector circuitDark Detector with LM555 - CoolCircuitDark Detector with LM555. This is a dark detector circuit .This circuit will generate sound if no light source and silence when light falling on CdS. CdS : Cadmium  ...
     43  -5 2013 dec 08simple electronics circuits
     44  -24 2014 mar 07electronics project- digital thermometerDigital thermometer projects with PIC16F84 - CoolCircuitDigital thermometer . This digital thermometer use DS1820 measurement temperature from 0-99 'C then the temperature will display on LCD 1X16 .The CPU  ...
     44  -24 2014 feb 06pcb wizard
     44  ~ 2013 dec 20reflex xtr rc simulatorUSB interface cable for R/C simulator - CoolCircuitIf you know about radio controlled models and their PC simulators such like FMS, Aerofly Pro Deluxe, RealFlight G2/G3 and Reflex XTR , and if you are an owner  ...
     45  +56 2014 feb 20standard resistor valuesThis is EIA standard resistance value calculator.The EIA types such as E6, E12, etc. were developed by EIA with the number (6 or 12) being the number of  ...
     46  -19 2013 dec 30automatic temperature controlled fanAutomatic fan controller circuit - CoolCircuitAutomatic fan controller circuit. This circuit will turn on/off 12V DC fan or CPU fan when temperature above normal temperature .You can set turn on temperature   ...
     47  +4 2014 jan 28voltage display meterThis is simple 3-digits digital volt meter .PIC16F676 used to read analog signal( voltage ) and display the value on 3-digits 7-segment.You can apply to mesasure   ...
     47  +4 2014 jan 08simple electronic projects
     48  -17 2013 dec 24micro amperemetre degital
     49  -20 2014 feb 14e24 seriesThis is a tool which to be used to combine of two resistors in series or ... E24 series ... the resistors in series or parallel you can calculate new total tolerance by
     51  -31 2014 jan 09remote control circuit
     55  -21 2014 jan 20simple remote control circuitRemote control -RF remote - CoolCircuitNew version of firmwares support roll-code feature. (08-Sep-2005)---45 build a simple remote control system. These circuits will work with any RF transmitter and   ...
     56  -9 2013 dec 15fm transmitter circuitsRF circuits - FM transmitter - CoolCircuitFree electronics circuit website RF circuits - FM transmitter .
     57  -43 2014 feb 02rc simulator usb cableThis is an USB interface cable for R/C simulator .The device looks like a standard HID joystick for operating system and converts up to 8 PPM channels from  ...
     58  ~ 2014 mar 07electronic circuit diagramFree Electronic Circuits , Electronic projects, diagram , schematic , software for all Hobbyist.
     59  -29 2014 jan 15abacom sprint layoutSprint - Layout is a simple tool to create layouts for single-sided and double-sided PCBs (Printed Circuit ...
     61  ~ 2013 dec 25fm transmitter circuit
     65  -28 2014 feb 10serie e12
     65  -24 2014 jan 25simple led circuit
     65  -40 2014 jan 09temperature controller circuitController circuit - Temperature controller - CoolCircuitFree electronics circuit website Controller circuit - Temperature controller .
     76  +25 2014 feb 14digital temperature display projectDigital thermometer . This digital thermometer use DS1820 measurement temperature from 0-99 'C then the temperature will display on LCD 1X16 .The CPU  ...
     76  ~ 2013 dec 09rangkaian charger batereLi-Po charger and balancer - CoolCircuitThis is a Li-Po charger and balancer project for R/C hobby.The charger circuit is based on the circuit of Electron head and all folks in the DIY electronics topic on  ...
     78  -19 2013 dec 25simple electronic circuits
     78  +2 2013 dec 03diy burglar alarmAlarm circuits- Burglar Alarm - CoolCircuitThis FM radio-controlled anti- theft alarm can be used with any vehicle having 6- to 12-volt DC supply system. (10-Sep-2005)---160. DIY Burglar alarm . Here\'s a  ...
     79  +22 2013 dec 15resistor standard valuesThis is a tool which to be used to combine of two resistors in series or parallel to gives a match better than the closest standard value , for the E12(10%) and  ...
     80  ~ 2013 dec 23simple power supplyBasic Regulated power supply - CoolCircuit
     81  ~ 2013 dec 27battery equalizer circuitBut I don't need to charge at 1C because I'm not sure the actual C rate(actualy may be 98-100% of battery specifications) .In my circuit I need to charge at 600mA  ...
     85  +16 2014 mar 07rf remote control
     85  ~ 2014 jan 21domestic intruder alarmsFree electronics circuit website Alarm circuits- Burglar Alarm .
     87  -76 2013 dec 11digital volt meterThis is simple 3-digits digital volt meter .PIC16F676 used to read analog signal( voltage) and display the value on 3-digits 7-segment.You can apply to mesasure   ...
     89  +12 2014 feb 27resistor e192Resistor color code ... Tighter tolerances such as 0.25%, 0.5% or 0.05% are available in E192 values from some manufacturers.
     89  -41 2013 dec 21about switching regulator circuits3V/3A switching regulator . I build this project when I have a problem to driver stepping motor that draw current 3A at 3V.After search the infomation on the  ...
     90  -42 2014 mar 02simple electronic circuit
     92  -3 2014 feb 16power amplifier circuit5.8 Watt Audio Power Amplifier circuit - CoolCircuitThis circuit use TA7222AP to amplifiers audio signal .The price only $0.99 and can provide 5.8 watt with Muting Control. Power supply can use for 8-12Vdc it is a   ...
     93  ~ 2014 feb 08pc817 datasheetSimple circuit to control DC motor on/off - CoolCircuitPC817 data sheet . Data sheet in pdf file format. This is a op-to from Sharp semiconductors. BD139 data sheet. Data sheet in pdf file format. This is a transistor  ...
     94  -11 2014 mar 01rc5 decoder picThe control codes are sent in RC5 format modulated to about 38 kHz carrier ... the IR input signal which is the output from IR decoder module(TSOP4838).
     94  ~ 2014 jan 24electronic circuit diagrams
     98  +3 2014 feb 11pic programmer
     98  ~ 2014 jan 09multiplex cockpit sxPPM output pin for the most popular radio control - CoolCircuitPPM output pin for the most popular radio control. Pin definition  ...
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