Projects Projects
12W Constant-Current LED Driver with PWM Dimming – 12V DC@1A Input
This is a high-performance, adjustable constant current, and PWM dimmer project.
MEMS Microphone Pre-Amplifier with Compression and Noise Gating – Studio Quality Microphone Pre-Amplifier
MEMS Microphones is setting a new performance benchmark across a growing number of industries.
AC Voltage Zero Cross Detector
This project provides AC voltage zero-cross timing detection and a DC voltage after diode rectification with high accuracy.
Precision Full-Wave Rectifier – Dual-Supply
This is a dual-supply precision full-wave rectifier board that can turn alternating current (AC) signals into single polarity signals.
12V DC @ 120mA – 1.4W Universal Input Buck Converter – 85V AC – 265V AC INPUT
The circuit shown in the schematic below is a typical implementation of a 12 V – 120 mA non-isolated power supply that can be used in appliance control such as rice cookers, dishwashers, or other white goods.
315Mhz RF Remote Transmitter – Arduino Compatible
This is a two-channel RF Transmitter unit that consists of, Atmega328 microcontroller, 2 Tactile switches with pull-down resistors, a programming port, and a 315Mhz RF transmitter module.
315Mhz RF Remote Receiver with On Board Relay – Arduino Compatible
This is one channel RF Receiver with an onboard Relay.
4 Channel 315Mhz RF Remote Transmitter – Arduino Compatible
This is a 4 channel RF Transmitter unit that consists of an Atmega328 microcontroller, 4 x tactile switches with pull-down resistors, programming port, and 315Mhz RF transmitter module.
Analog Style VU Meter on OLED Display – Arduino Compatible
This is an analog-style VU meter on a 0.96″ OLED Display.
Dual Output Adjustable Linear Power Supply +/-1.2V to +/-12V @ 250mA
This project is a solution to power up most devices or projects requiring dual (+/-) adjustable power.
Dual +12V/-12V @ 400mA Regulated Linear Power Supply with AC input
The project presented here is a dual output linear power supply.
Dual +5 V/-5V @ 200 mA Regulated Linear Power Supply
The project presented here is a dual AC to DC output linear power supply.