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Arduino 8 Channels High-Side Switch
The project presented here is a high-side switch (8 channels) with MOSFET output. The Arduino board consists of an Arduino-compatible microcontroller ATMEGA328 and TPD2015FN - 8 Channels MOSFET switch. All 8 inputs of TPD2015FN are TTL compatible. The project is suitable for driving...
Continue ReadingAMR Angle Sensor and Signal Conditioner Module
This angle sensor module features an ADA4571 chip, an anisotropic magneto resistive (AMR) sensor with integrated signal conditioning amplifiers and ADC drivers. The circuit produces two analog outputs that indicate the angular position of the surrounding magnetic field. The ADA4571...
Continue Reading10 Minutes Timer for AC Loads
The project described here is a 10-minute timer using an Arduino microcontroller, capable of driving AC loads up to 30A. The timer's progress is visually represented by 10 LEDs, which light up sequentially, each for 1 minute, totaling 10 minutes. The project is powered by a single...
Continue Reading±340V DC Output, 15V DC Input, Isolated Flyback Converter
The project presented here is an isolated flyback converter featuring the LT3748 chip from Analog Devices. The circuit is designed for a +/-340V DC (2 x 340V) output from a 7V to 15VDC input. The output current is up to 2 x 8mA. The board senses the isolated output voltage directly...
Continue ReadingHigh Current/High Voltage OPAMP with Boost Output Current Greater Than 1A
This project provides High Voltage and High Current output swing. The board is built using OPA454 OPAMP and 2 x high current NPN/PNP BJT Transistors. Output transistors Q1 and Q2 provide positive and negative output currents to the load. The project works with an input power supply up...
Continue ReadingVoltage Controlled Amplifier with Balanced Input
The project presented here is a Voltage Controlled Amplifier (VCA). A VCA board helps users control the audio level from a remote potentiometer. This board requires a balanced audio signal. Gain control voltage can be adjusted through potentiometer R13. The project works...
Continue ReadingFuel Level Monitor with 15 Segments Bar-Graph Display
This Fuel level Monitor allows users to measure the fuel level using a resistive float sensor in the fuel tank. The project measures the fuel level and displays it on a 15-segment bar-graph display. The project is Arduino-compatible and consists of ATMEGA328 controller. The...
Continue ReadingRC PWM Signal to Stepper Pulse Generator
This simple Arduino compatible project reads an RC PWM signal (1000μs to 2000μs) and provides 0 to 500Hz pulse output to drive a stepper motor. Step and Direction outputs are open collector types 5V signals. Both signals can directly drive LEDs of optocoupler of stepper drivers. The...
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