Circuit Ideas I Electronic DIY Projects I Robotics
Circuit Ideas I Electronic DIY Projects I Robotics
Turns on a series of 10 Segments of LEDs based on the value of an analog sensor. This is a simple way to make a bar graph display. This method can be used to control any series of digital outputs that depends on an analog input. Trimmer Potentiometer and Analog joystick used to test the code. 10 3MM LEDs
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The high voltage high current low EMI, power supply circuit published here is intend use for AC inverters and VF drives,AC servo driver, brushless dc motor driver, IPM (Intelligent Power Module) , high voltage DC brushed motor drivers and various other circuit required high voltage DC supply. Capacitor has been selected for AC power input up to 250V AC however
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Heat activated cooling fan controller ( Thermal Activated Cooling Fan Driver Circuit) is a simple project which operates a Brush-Less fan when the temperature in a particular area goes above a set point, when temperature return normal, fan automatically turns off. The project is built using LM358 Op-amp ( Use LM393 instead for good performance) , and LM35 temperature Sensor.
Read moreDual Motor L298 H-Bridge Control project can control two DC motors OR single motor with 2X current. The circuit is designed around popular dual H-Bridge L298 from ST. This board can be configured to drive a single motor with high current rating also. This can be achieved with the help of jumpers on the board. An onboard 5V regulator can
Read moreQuad Channel Relay Board Arduino Nano Shield is a simple and convenient way to interface 4 relays for switching application in your project. Features Input supply 12 VDC @ 170 mA Output four SPDT relay Relay specification 5 A @ 230 VAC Trigger level 2 ~ 5 VDC from Arduino I/O D2,D3,D4,D5 Digital Lines
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Project has been designed around L293 H-Bridge for Bidirectional motor operations, & 555 Timer IC which has been used as PWM generator for speed control. L293 is capable of continuous output current 600mA. Operating voltage 5V DC. Specially designed for low voltage Mini motors. Great control on speed via onboard preset, while direction is controlled by changing jumpers settings.
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Circuit has been designed using HT12A Infra-Red Transmitter and HT12D Infra-red Receiver, and TA7354 Motor driver IC. FEATURES Transmitter Supply 4.5 to 6V DC Receiver Supply 6v DC Remote Transmitter Schematic and PCB Layout Receiver and Motor Driver Schematic
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Its simple Tiny Pro-microphone Pre-Amplifier using INA217 instruments amplifier and OPA2137 op-amp. Circuit has been designed using SMD components, 3 Pin female XLR connector has been used for direct micro-phone input. The board has been design around INA217 low distortion, low noise instrumentation amplifier. The INA217 is ideal for low-level audio signals such as balanced low-impedance microphones. Many industrial, instrumentation,
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The power supply has been designed to use for audio power amplifiers. This power supply uses a transformer, a bridge rectifier, various rail capacitors, fuse for protection, also supply has separate dual regulators for +/-15 V DC output. Maximum output for main audio amplifier +/-42V DC, high voltage output possible by altering bus capacitor voltage. The power supply also provides
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This is easy to construct microphone pre-amplifier project using compact electret condenser microphone. The pre-amplifier is important building block of many audio communication systems. Circuit has been built around Op-Amp LM358. Power supply : 5 to 12 VDC @ 10 mA Output: Gain Approx. 100 On-Board electret condenser microphone Header connector for connecting of power supply input and audio
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