Signal Conditioner for Sensorless BLDC Operations
https://www.electronics-lab.com/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 decided in the firmware. The signal conditioning circuit […]
4-Channel Remote Receiver Using NRF24L01 Radio Module – Arduino Compatible
https://www.electronics-lab.com/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. The project provides 4x TTL outputs that can be interfaced with […]
POV (Persistence of Vision) – Open-Source Arduino Nano Hardware
https://www.electronics-lab.com/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 […]
Balanced Line Receiver for Digital Signal Over Twisted Pair CAT-5 Cable
https://www.electronics-lab.com/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 cables like CAT5. Category 5 cables are very common in office settings […]
Phase-Shifted Full-Bridge PWM Controller Module – LM5046 Breakout Board
https://www.electronics-lab.com/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 created using LM5046 carrier board + External H-Bridge and Transformer. Refer to the datasheet […]
Closed Loop Analog Position Control using Brushed DC Motor and Potentiometer
https://www.electronics-lab.com/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 shaft of the DC Motor with Gear. The project is ideally suited for […]
BQ27220 – Single cell pack/system-side CEDV battery fuel (gas) gauge w/pre-programmed chemistry profiles
https://www.electronics-lab.com/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 gauging and provides information such as remaining battery capacity (mAh), state-of-charge (%), runtime-to-empty (min), battery voltage (mV), […]
MAX16054 – On/Off Controller with Debounce and ±15kV ESD Protection
https://www.electronics-lab.com/max16054-on-off-controller-with-debounce-and-%c2%b115kv-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 and closing. The state of the output changes only when triggered by […]
SRC0 – Smart push-button on/off controller with Smart Reset and power-on lockout
https://www.electronics-lab.com/src0-smart-push-button-on-off-controller-with-smart-reset-and-power-on-lockout/
The SRC0 devices monitor the state of connected push-button(s) as well as sufficient supply voltage. An enable output controls power for the application through the MOSFET transistor, DC-DC converter, regulator, etc. If the supply voltage is above a precise voltage threshold, the enable output can be asserted by a simple press of the button. Factory-selectable […]
STMicroelectronics STM66xx Smart Push-Button On / Off Controller
https://www.electronics-lab.com/stmicroelectronics-stm66xx-smart-push-button-on-off-controller/
STMicroelectronics STM6600/STM6601 Smart Push-Button On / Off Controllers with Smart Reset™ and power-on lockout protects against the hazards faced by battery-operated devices. These types of devices include smartphones, digital cameras, and media players. The STM6600/STM6601 controllers enable and disable power for the application depending on push-button states, signals from the processor, and battery voltage. If […]