New PWM controller IC By Microchip Charges Batteries of Any Chemistry
https://www.electronics-lab.com/pwm-controller-charges-batteries-of-any-chemistry/
Battery technologies of all chemistry are experiencing revolutionary changes nowadays. Nanotechnology is leading this revolution by yielding new battery technologies including but not limited to Tiny Supercapacitors and Li-ion batteries that never explode at any condition. But, it’s bothersome to make different chargers for different types of batteries. So, Microchip solved this problem by introducing […]
DC Motor & Direction Controller with Brake using MC33035
https://www.electronics-lab.com/dc-motor-direction-controller-brake-using-mc33035/
This is a 3AMP DC Motor speed and direction controller using MC33035 IC from on semiconductor, though the MC33035 was designed to control brushless DC motor , it may also be used to control DC brush type motors. MC33035 driving a Mosfets based H-Bridge affording minimal parts count to operate a brush type motor. On […]
4-20 mA current output for Arduino Uno
https://www.electronics-lab.com/4-20-ma-current-output-arduino-uno/
Giovanni Carrera writes: The purpose of this project is to provide a 4-20 mA output from a PWM signal generated by a microcontroller ATmega328 and numerous other chips, such as the PIC. One of the more interesting applications of this circuit would be to replace or to realize a smart sensor with Arduino.” 4-20 mA […]
PWM Fan controller
https://www.electronics-lab.com/pwm-fan-controller/
Lucky Resistor has build a PWM fan controller using Arduino and DHT22 sesnsors. The fan controller described on this project page, controls one or more PWM controlled 12V PC fans. It uses the input from two precise DHT22 based temperature sensors. The MCU is an Arduino Uno, which is powered using a 12V power source. […]
12V NE555 PWM Controller
https://www.electronics-lab.com/12v-ne555-pwm-controller/
baelza.bubba @ instructables.com build his own PWM controller which is able to operate as a 12V Motor Speed Controller, LED Dimmer, Heat controller, voltage controller for an electrolytic etcher etc. I did some hunting around on the interweb and found a pretty good starting point in Circuits Today, but then, I needed to make […]
PWM Solenoid and Valve Driver using DRV103
https://www.electronics-lab.com/pwm-solenoid-valve-driver-using-drv103/
Tiny module is a PWM Solenoid and Valve driver using Texas instrument’s DRV103 low-side DMOS power switch employing a pulse-width modulated (PWM) output. Its rugged design is optimized for driving electromechanical devices such as valves, solenoids, relays, actuators, motors and positioners. This board is also ideal for driving thermal devices such as heaters, coolers, lamps, […]
Very low power temperature sensor
https://www.electronics-lab.com/low-power-temperature-sensor/
Smartec has commenced selling a new temperature sensor as the successor to the SMT160: the SMT172. The SMT172 has a superior performance, such as a very low power consumption (60 μA) , a very high accuracy (0.1 °C) and a very high resolution (0.1 mK). [via elektormagazine.com] For battery applications, the SMT172 can operate on […]
5 Amp H-Bridge DC Motor Driver using MC33886
https://www.electronics-lab.com/5-amp-h-bridge-dc-motor-driver-using-mc33886/
This tiny module has been designed to use in Robotics, Power tools, automotive applications. The module based on MC33886 from NXP, MC33886 is a monolithic power IC comprising control logic, charge pump, gate drive, and low RDS(ON)MOSFET output H-Bridge circuitry in a small surface mount package. MC33886 is a monolithic h-Bridge ideal for fractional horsepower […]
DIY Arduino RGB LED Controller Shield
https://www.electronics-lab.com/diy-arduino-rgb-led-controller-shield/
One of our visitors tipped us with his latest project, an Arduino RGB LED controller using low Rds-on MOSFETS, designed in Solo-PCB. This Arduino shield is designed to drive RGB (Red Green Blue) LED strips by using PWM (Pulse Width Modulation) method. It can brighten up and down each color independently by changing the duty […]
4.5Amps Bipolar Stepper Motor driver based on TB6600
https://www.electronics-lab.com/4-5amps-bipolar-stepper-motor-driver-based-tb6600/
Bipolar stepper drive board described here has been designed around TB6600HG IC. The TB6600HG is PWM chopper type single chip bipolar sinusoidal micro-step stepping driver. Maximum Load 4.5A, Supply 10V to 42V DC. Features Based on Single chip and Second chip for auto half current control Suitable for Nema17, Nema23, Nema34 bipolar stepper motors Suitable […]