Search Results for : PCB
I2C DAC Controlled Electronic Load – Battery Performance Tester
The project presented here is an I2C electronic load, intended for testing power supplies, solar panels, batteries, and supercapacitors. The board consists of an I2C interface DAC MCP4725, OPAMP U2 acts as V to I (Voltage to Current), OPAMP U3 measures the load current across the...
Continue ReadingPosition and Speed Controller for DC Motor with Incremental Encoder
This project consists of Arduino Arduino-compatible microcontroller ATmega328, an L298 Motor driver, a Joystick, a programming connector, an Infrared sensor, and various analog and digital I/O pins. The project is Arduino compatible and can be programmed using Arduino IDE and many...
Continue ReadingIsolator for SPI Interface with Inbuilt DC-DC Converter
This simple, compact solution is ideal for isolated SPI data requiring communication across different ground potentials often found in Industrial PLCs (programmable logic controllers) and Instrumentation and data acquisition systems. Serial Peripheral Interface (SPI) is a protocol...
Continue ReadingIsolated RS485/RS422 Transceiver with Integrated DC-DC Converter
The project presented here is a galvanically isolated differential line transceiver with a built-in isolated DC-DC converter for TIA/EIA RS-485 and RS-422 applications. Both signal and power paths are isolated per UL1577 and are qualified for reinforced isolation per VDE, CSA, and...
Continue ReadingArduino Compatible OLED Board with 4 Channel 16-Bit ADC
This board consists of Arduino-compatible hardware which includes an OLED display, ADS1115 4-Channel 16Bit ADC, Arduino-compatible Microcontroller ATMEGA328, a connector for Arduino Programming, a connector for 4 Channel Analog input, and a connector for a couple of I/O lines....
Continue ReadingHalf-Bridge with Ultra-Precise Current Sense Feedback for Solenoid
A Half-bridge converter is widely used in applications such as DC-DC converters, switch mode power supplies, inverters, motor drivers, resistive loads, and solenoid drivers. This project consists of an IR2104 Half-bridge driver chip, 2 x DPAK MOSFETS, and an INA293 precision current...
Continue ReadingXenon Flash Tube Driver
This is a Xenon Flash tube driver board and consists of a high voltage AC to DC converter circuit, a DC storage capacitor, a trigger circuit that will fire the xenon lamp, an Optocoupler to control the flashes etc. The circuit requires 220VAC and trigger pulse which should be between...
Continue ReadingVoltage Attenuator
The project shown here converts bipolar +/-10V (Dual 10V) signal and provides a single-ended 0 to 5V signal. The circuit attenuates a +/-10V, 10Khz bandwidth bipolar signal converts to a single-ended signal, and also filters it by a 3rd-order Butterworth filter to drive a single-ended...
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