New version of 200W Class A and B high power amplifier

Introduction: Power Amplifier

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Desktop dual power supply 2030, 1875 amplifier

Introduction: Desktop amplifier with 20 to 30 watts, zero power noise floor

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Car amplifier preamplifier

Introduction: The preamplifier removed from the car amplifier

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Car amplifier preamplifier

Introduction: A power amplifier preamplifier with sweet treble, thick bass, thick midrange, and accurate tone. Highly recommended.

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Power bank IP5358 fast charging board

Introduction: Support QC PD fast charging

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Optocoupler isolation sstc driver board

Introduction: sstc driver

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Amplifier gain adjustment preamp

Introduction: The front stage of the power amplifier board can adjust the volume and the size of the bass.

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200W high power Class A and B power amplifier

Introduction: Peak 200W Class A and B power amplifier, power supply voltage can be ±20V-40V, ±35V-40V is recommended. If the voltage is too low, the power may not be enough. The power tube can be replaced with other triodes, but please pay attention to the parameters. The sound quality of this amplifier is very good

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200W Class A and B amplifier HIFI remastered version

Introduction: Modified the rubbish board I drew a few years ago

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lm1875 power amplifier board

Introduction: A 2.1 1875 amplifier, focusing on multi-function, good-looking and fun

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LED control circuit

Introduction: LED illuminator

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A 47 amp

Introduction: A 47-architecture headphone amplifier powered by a single lithium battery, and a single power supply to dual power supply circuit

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Iris Cube->47 Headphone Amplifier/*Collection*/

Introduction: The famous 47 amp, simple but effective.

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three-way adder

Introduction: Three-way adder with adjustable in-phase and in-phase phases

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LM317 voltage stabilizing circuit

Introduction: LM317 voltage stabilizing circuit

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AD7175 test board

Introduction: This project is a test board used to test the performance of Analog Devices' low-noise, fast setup, multiplexing, 2/4 channel (fully differential/pseudo-differential) 24-bit Σ-Δ ADC AD7175.

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Miniature multifunctional biomedical sensor engineering--BioSensor

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Minimum electronic level (based on ATMEGA328p and MPU6050)

Introduction: This project is a minimum electronic level based on arduino and GY521, with a size of only 44x18mm! Because it is too small to fit the parts, in order to reduce space, modules are not used and all are redesigned.

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[No screen test] PCF8574T-LCD-IIC control module-with small tutorial

Introduction: This project is an I2C control board verification module based on HGSEMI (Huaguan) PCF8574T port expansion chip. The main purpose is to save the disadvantage that the LCD takes up a lot of IO when used. It only requires 2 power lines and 2 data lines. communication!

Schematic PCB

MPU6050-GY521 attitude sensor module

Introduction: This project is a GY-521 module verification solution based on MPU-6050 three-axis accelerometer and three-axis gyroscope.

Schematic PCB