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VU-Meter. PCB for ATmega48 controller, DAC control buttons (Volume, Mute) and LED level meters.
Passive lithium battery balancer for electric car batteries.
Pulse voltage regulator with a power of 500 W. Specifications: Inverter topology: Push-Pull (step-up and step-down); Input voltage: 12 - 18 Volts DC; Output voltage depending on the selected com...
Regulator of revolutions of the collector motor without loss of power. Imax=16A
An excellent gift, I was pleased with the accuracy of the ruler and the seats for the components.
USB Audio DAC. DAC on the PCM2704 chip, also on PCB1 there is an amplifier-filter for the ATmega48 ADC, USB connectors and a 3.5mm headphone jack.
Power supply for sine wave inverter SPWM EG8010. There is voltage stabilization, maximum output current limitation, UVLO, power circuit disconnection and low battery charge.
On board: V-Meter, I-meter, Frequency counter, Temperature meter; 16-bit DAC out; Synchronous/asynchronous PWM out; I2C, 1-Wire, USB-UART;
Compact ZVS generator 1000 W
An excellent gift, I was pleased with the accuracy of the ruler and the seats for the components.