Electronic circuits library

142 circuits and projects with schematics, PCB layouts, hex files and source code.

Categories

• PIC12F675
• Example Projects
• Analog Circuits
• Operational Amplifier
• Logic Gates
• Digital Circuits
• Electrical Circuits
• Oscillators
• 555 Timer IC
• Transistor Logic
• Linear Power Supplies
• Switch Mode Power Supplies (SMPS)
• TC7107 ADC + 7-Segment Display
• Basic Circuits
• Miscellaneous
• AT89C51
• Filters
• Motor Control And Drive

All circuits

• 4 Way Traffic Signals Controller — Example Projects
• 4 Way Traffic Signals with Same Yellow Light Delay — 555 Timer IC
• Dice Roller Using 555 Timer IC — 555 Timer IC
• Random Number Generator Using 555 — 555 Timer IC
• Op-Amp as Integrator — Operational Amplifier
• Wien Bridge Oscillator — Oscillators
• 12VDC Fan Speed Control Using TC649 — Motor Control And Drive
• Function or Waveform Generator with ICL8038 — Analog Circuits
• NPN Transistor As Dual Diode — Basic Circuits
• Reverse Voltage Protection — Basic Circuits
• Op-Amp as Multivibrator or Oscillator — Operational Amplifier
• Op-Amp as Schmitt Trigger — Operational Amplifier
• Schmitt Trigger From Bistable Oscillator — Transistor Logic
• Schmitt Trigger Using BJTs — Transistor Logic
• Single Transistor Inverted Schmitt Trigger — Transistor Logic
• UC3525 Push-Pull Circuit Schematic + Simulation — Switch Mode Power Supplies (SMPS)
• UC3525 Push-Pull Driver Test Circuit — Switch Mode Power Supplies (SMPS)
• ECG Signal Amplifier Sch + PCB — Example Projects
• Solar MPPT Charger Controller — Example Projects
• PIC18F4520 Development Board With 24 Bit ADC — Example Projects
• Simple Single Phase H-Bridge Circuit — Miscellaneous
• DIY Linear Power Supplies 15V, 12V, 5V and 3.3V — Linear Power Supplies
• DIY Linear Power Supply for Beginners — Miscellaneous
• Self Adjust Current Sharing Circuit — Analog Circuits
• Transformerless Power Supply — Analog Circuits
• Active Dummy Load — Analog Circuits
• AC to DC Voltage Doubler — Analog Circuits
• Voltage Doubler — Analog Circuits
• Zener Diode as Dummy Load — Analog Circuits
• Totem Pole Mosfet Driver — Analog Circuits
• 1.5V to 220V Low Power Inverter — Analog Circuits
• Simple Short Circuit Tester — Analog Circuits
• 220V LED flasher — Analog Circuits
• How to Drive a Relay — Analog Circuits
• Remove Offset Using Capacitor — Analog Circuits
• Current Mirror — Analog Circuits
• PIC12F675 Forward Converter — Switch Mode Power Supplies (SMPS)
• PIC12F675 Zeta Buck Boost Converter — Switch Mode Power Supplies (SMPS)
• PIC12F675 Inverting Buck Boost Converter — Switch Mode Power Supplies (SMPS)
• PIC12F675 Synchronous Buck Converter — Switch Mode Power Supplies (SMPS)
• PIC12F675 Flyback Converter — Switch Mode Power Supplies (SMPS)
• Battery Charger Circuit + Pcb — Example Projects
• Automatic Voltage Stabilizer — Example Projects
• Basic Calculator for Beginners — AT89C51
• LCD 20x4 Interfacing Code + Simulation — AT89C51
• 16 x 2 LCD Interfacing Simulation + Code — AT89C51
• External Interrupt for AT89C51 — AT89C51
• Digital Clock Using 7 Segment Multiplexing — AT89C51
• Two Digit Counter — AT89C51
• LED Blink — AT89C51
• SCR Equivalent Circuit — Transistor Logic
• Frequency to Voltage Converter Using LM2907 — Miscellaneous
• Frequency to Voltage Converter Using LM331 — Miscellaneous
• PMOS And NMOS H-Bridge Motor Drive Demo — Miscellaneous
• PWM Battery Charger and Desulfator — Miscellaneous
• Simple Battery Charger and Desulfator — Miscellaneous
• Voltage to Frequency Converter Using LM331 — Miscellaneous
• Battery Charger Using Single Diode Clipper — Miscellaneous
• H-Bridge Boot-Strap Concept — Miscellaneous
• Avr Assembly LED Blink — Miscellaneous
• Transistor As a Diode (Close Emitter) — Basic Circuits
• Transistor As a Diode (Closed Collector) — Basic Circuits
• Transistor As a Diode (Open Collector) — Basic Circuits
• Transistor As a Diode (Open Emitter) — Basic Circuits
• Micropower Buffered Variable Voltage Source — Basic Circuits
• Micropower Rail-to-Rail Adjustable Voltage Source — Basic Circuits
• Rail-to-Rail Voltage Follower (Buffer) — Basic Circuits
• High Input Impedance Source Follower — Basic Circuits
• PIC12F675 Buck-Boost SEPIC Converter — Switch Mode Power Supplies (SMPS)
• PIC12F675 Buck Boost or Cuk Converter — Switch Mode Power Supplies (SMPS)
• PIC12F675 Buck Converter — Switch Mode Power Supplies (SMPS)
• PIC12F675 Boost Converter — Switch Mode Power Supplies (SMPS)
• Tachometer Using LM2907 and TC7107 — TC7107 ADC + 7-Segment Display
• Isolated Digital Current Meter 0-200A — TC7107 ADC + 7-Segment Display
• Digital Voltmeter — TC7107 ADC + 7-Segment Display
• Digital Thermometer — TC7107 ADC + 7-Segment Display
• Digital Ampere Meter — TC7107 ADC + 7-Segment Display
• LM317 as Constant Current Source — Linear Power Supplies
• LM7805 as Variable Voltage Regulator — Linear Power Supplies
• TL431 as Constant Linear Voltage Regulator — Linear Power Supplies
• TL431 as Variable Zener Diode — Linear Power Supplies
• MCP1612 Step Down DC - DC Converter — Switch Mode Power Supplies (SMPS)
• MC34063 Inverting DC - DC Converter — Switch Mode Power Supplies (SMPS)
• MC34063 Boost Converter — Switch Mode Power Supplies (SMPS)
• MC34063 DC - DC Converter — Switch Mode Power Supplies (SMPS)
• Max1724 1.5V to 5Vdc Boost Converter — Switch Mode Power Supplies (SMPS)
• LM2576 SMPS 3A Regulator Schematic+Pcb — Switch Mode Power Supplies (SMPS)
• Variable Power Supply — Linear Power Supplies
• NPN Transistor Darlington Amplifier — Transistor Logic
• NPN + PNP Transistor Current Amplifier — Transistor Logic
• PWM Generator With Duty Cycle Control — PIC12F675
• PIC12F675 Timer1 Code and Simulation — PIC12F675
• PIC12F675 Timer0 Code and Simulation — PIC12F675
• PIC12F675 Timer0 As Counter — PIC12F675
• PIC12F675 Timer0 ADC & LCD — PIC12F675
• PIC12F675 SineWave Using SPWM — PIC12F675
• PIC12F675 PWM using Bit Banging — PIC12F675
• PIC12F675 External Interrupt — PIC12F675
• PIC12F675 Digital to Analog Converter — PIC12F675
• Single Transistor Current Amplifier — Transistor Logic
• Transistor as Inverter — Transistor Logic
• Transistor as a Switch — Transistor Logic
• Basic Current Mirror — Analog Circuits
• Dual Diode Voltage Clipper — Analog Circuits
• LED Flasher — Analog Circuits
• Single Diode Voltage Clipper — Analog Circuits
• Transistor as Amplifier — Analog Circuits
• Dual Diode And Inductor Rectifier — Analog Circuits
• Dual Inductor And Diode Rectifier — Analog Circuits
• Full Wave Rectifier — Analog Circuits
• Full Wave Rectifier With Two Diodes — Analog Circuits
• 555 Timer Adjustable Square Wave Generator — 555 Timer IC
• 555 Timer IC As PWM Signal Generator — 555 Timer IC
• Bistable Multivibrator Using 555 — 555 Timer IC
• Astable Multivibrator Using 555 — 555 Timer IC
• Monostable Multivibrator Using 555 — 555 Timer IC
• LED Flasher Using 555 Timer IC — 555 Timer IC
• Ring Oscillator — Oscillators
• Relaxation Oscillator — Oscillators
• Auto Transformer — Electrical Circuits
• Parallel In Serial Out Shift Register — Digital Circuits
• Two Input XOR Gate Using OR-NAND & AND — Logic Gates
• Two Input XNOR Gate Using OR & NAND — Logic Gates
• Two Input NOR Gate — Logic Gates
• Two Input OR Gate — Logic Gates
• Two Input NAND Gate — Logic Gates
• Two Input AND Gate — Logic Gates
• Single Input Not Gate — Logic Gates
• Precise uA Current to Voltage Converter — Operational Amplifier
• mA Current to Voltage Converter — Operational Amplifier
• Voltage to Current Converter — Operational Amplifier
• Adding DC Offset in AC Signal — Operational Amplifier
• Op-Amp as Summing Amplifier — Operational Amplifier
• Op-Amp as Non Inverting Amplifier — Operational Amplifier
• Op-Amp as Inverting Amplifier — Operational Amplifier
• Op-Amp as Comparator With Hysteresis — Operational Amplifier
• Op-Amp as Comparator — Operational Amplifier
• Op-Amp as Buffer — Operational Amplifier
• 50W Inverter 12V to 220V or 110V — Example Projects
• Diode As Half Wave Rectifier — Analog Circuits
• DIY PicKit2 Programmer Project — Example Projects
• PIC12F675 Comparator Module Code + Simulation — PIC12F675