Tag: PWM
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...
Continue Reading4.5Amps Bipolar Stepper Motor driver based on 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...
Continue ReadingBattery-charging considerations for low-power applications [PDF]
By Tahar Allag: The wearable and personal-electronics industries are booming. Devices in this market vary wildly by application and use. These multifunction devices are designed to help people in their daily activities and make their lives comfortable. They can be found in...
Continue ReadingHalf Bridge Driver based on IR2104
This Half-bridge driver based on IR2104 gate driver IC and N channel Dpak MOSFET , The IR2104 is a high voltage, high speed power MOSFET driver with independent high and low side referenced output channels. HVIC and latch immune CMOS technologies enable ruggedized monolithic...
Continue ReadingHow-to use PWM to Generate Analog Voltage in Digital Circuits
Maurizio @ emcelettronica.com tipped us with his latest article on how to generate analog voltages using a microcontroller. Many times, designers are faced with the need of generating analogue or analog voltage levels in purely digital circuits. Although the market provides today a...
Continue ReadingAC PWM dimmer for Arduino
diy_bloke @ instructables.com has designed an AC PWM dimmer for Arduino: Over 3 years ago, I published a simpel TRIAC AC dimmer for the arduino. That proved to be a very popular design. Yet in spite of the simplicity of the circuit the software needed was a bit complicated as it...
Continue Reading1″ 100W Hot-Plate for SMT Reflow
This is a small hot-plate for SMT reflow soldering build upon an Arduino Pro and controlled using PWM and high side power MOSFETs. Black Mesa Labs has been using a $20 hot plate for a year now for soldering QFN ICs to PCBs. Only issue so far has been the size ( 10″x10″x3″ ) and...
Continue ReadingDual DC Motor driver using two L293D
Dual DC Motor driver using two L293D IC. The L293D device is quadruple high-current half-H driver. The 293D is designed to provide bidirectional drive current up to 600mA a voltage from 5V to 36V. It provides 600mA +600mA on each channel suitable for mini hobby robots. The board been...
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