Signal Conditioner for Sensorless BLDC Operations
Motor

Signal Conditioner for Sensorless BLDC Operations

This is a back EMF signal conditioning circuit that can be used to develop high-voltage sensorless motor drivers. When a sensorless algorithm is used to control the BLDC motor speed, the Back EMF (BEMF) signals are used. Based on zero crossing of BEMF signals, motor commutation is...

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4-Channel Remote Receiver Using NRF24L01 Radio Module – Arduino Compatible
RF

4-Channel Remote Receiver Using NRF24L01 Radio Module – Arduino Compatible

Controlling 4 devices using an RF remote is very easy with this project. This is an Arduino compatible project. NRF24L01 module, Atmega328 microcontroller, 3.3V regulator, and few other components are part of the project. Onboard power LED and an additional functional LED is provided....

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POV (Persistence of Vision) – Open-Source Arduino Nano Hardware
Led

POV (Persistence of Vision) – Open-Source Arduino Nano Hardware

This is an easy and simple hardware to create a POV display. The hardware consists of a Hall sensor, Arduino Nano, 17 x 5mm LEDS of various colors, etc. The Hall Sensor is connected to analog pin A5 with a pull-up resistor. The circuit works with 3.7V to 5V DC and a 3.7V battery is...

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Balanced Line Receiver for Digital Signal Over Twisted Pair CAT-5 Cable
Interface

Balanced Line Receiver for Digital Signal Over Twisted Pair CAT-5 Cable

The circuit presented here is a high-frequency differential line receiver amplifier that has excellent common-mode rejection at its inputs. The project is an ideal solution for a receiver of a digital signal or video signals that are transmitted over long distances on twisted-pair...

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Phase-Shifted Full-Bridge PWM Controller Module – LM5046 Breakout Board
Power

Phase-Shifted Full-Bridge PWM Controller Module – LM5046 Breakout Board

This is a Phase-Shifted Full-Bridge PWM LM5046 carrier board that contains all of the features necessary to implement a phase-shifted full-bridge topology power converter. All inputs and outputs pins are accessible using the header connector. High efficiency DC-DC converter can be...

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Closed Loop Analog Position Control using Brushed DC Motor and Potentiometer
Motor

Closed Loop Analog Position Control using Brushed DC Motor and Potentiometer

The project presented here is a low-cost position control closed-loop analog-servo using brushed DC motor and potentiometer as feedback. This project provides all necessary active functions for a closed-loop servo system using a Brushed DC Motor and potentiometer mounted on the output...

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BQ27220 – Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles
IC

BQ27220 – Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles

The Texas Instruments bq27220 battery fuel gauge is a single-cell gauge that requires minimal user configuration and system microcontroller firmware development, leading to quick system bring-up. The bq27220 device uses the Compensated End-of-Discharge Voltage (CEDV) algorithm for fuel...

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MAX16054 – On/Off Controller with Debounce and ±15kV ESD Protection
Uncategorized

MAX16054 – On/Off Controller with Debounce and ±15kV ESD Protection

The is a pushbutton on/off controller with a single switch debouncer and built-in latch. It accepts a noisy input from a mechanical switch and produces a clean latched digital output after a factory-fixed qualification delay. The MAX16054 eliminates contact bounce during switch opening...

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