Smart network desk lamp based on ESP32S2 and MaixBit

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Multifunctional open source custom macro keyboard based on esp32s3

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Woof Meter: Measure the TS parameters of the subwoofer

Woof Meter is used to test subwoofer speakers. It contains a low-frequency preamplifier, a precision full-wave rectifier and a DC filter.

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Wireless fish feeder Telegram

2 Layers PCB 36.5 x 80.8 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen;Dengan alat ini kamu bisa memberi makan ikan dengan mengirimkan pesan melalui aplikasi chatting telegram ke alat ini

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Output capacitor bank for signal power or dual supply headphone amplifier

This is a simple output capacitor bank for use in signal powered or dual supply headphone amplifiers. The output capacitor bank protects the headphones from DC current.​

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drawdio: musical pen, different rhythms when touched

This version of Drawdio originates from a version carried out by Jorge Frutos (@JorFru) at UC3Music (@UC3Music), another design practice for first-year students of the Advanced Degree Training Cycle in Electronic Maintenance at IES Virgen de las Nieves has become Granada Scientific Part of the Garden Play exhibition.​

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LEDThermometer: LED Indoor Wall Thermometer with Power Adapter

LED Indoor Wall Thermometer with Power Adapter

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1km radio controller

Powerful 1km 6-10 channel remote control, suitable for DIY projects such as drones and cars.

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100w stereo amplifier board DIY TDA2030 IC with transistor

This is a 100w stereo amplifier board. This project can easily play two 50w speakers.

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100w mono audio amplifier board DIY 2SC5200

This is a 100w mono audio amplifier board. This project can easily play speakers up to 100w. I used two 2SC5200 transistors and a 30-0-30 transformer in this project

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Raspberry Pi RP2040 direct drive DVI/HDMI interface display cool display

These demos all use Adafruit's PicoDVI branch, which makes the video framebuffer look like a regular Adafruit_GFX object, which makes drawing very easy.

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3-Phase Multilevel Inverter Using MOSFETs

This reference design provides design guidance, data, and other content for a 3-phase multilevel inverter with 5-level output. It uses 150V MOSFET to drive AC 200V motor.

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3-phase AC 400V input PFC converter

This reference design provides design guidance, data and other content for a 4kW 3-phase AC 400V input PFC converter using a 3-phase totem pole topology and 1200V SiC MOSFETs.

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5kW Isolated Bidirectional DC-DC Converter

This reference design provides design guidelines, data and other content for a 5kW isolated bidirectional DC-DC converter using a 1200V SiC MOSFET dual active bridge (DAB) conversion method.

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500W server power supply using TOLL package DTMOS

This reference design provides design guidelines, data, and other content for a 500W server power supply using continuous current mode PFC and LLC DC-DC converter. Using TOLL packaged MOSFETs in the PFC circuit reduces the overall size and increases power density.

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Non-isolated step-down DC-DC converter

This reference design provides design guidance, data, and other content for multiple non-isolated step-down DC-DC converter power supplies. A variety of power supplies are optimized for a variety of outputs, loads, and board mounting areas.

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200W Active Clamp Forward DC-DC Converter

This reference design provides design guidance, data, and other content for a 200W active-clamp forward DC-DC converter using N-channel MOSFETs as clamp switches.

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IH induction cooker inverter circuit

This reference design provides design guidelines, data, and other content for an IH induction cooker inverter circuit based on voltage resonant soft switching.

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100W LLC DC-DC Converter

This reference design provides design guidelines, data, and more for a 100W LLC DC-DC converter using LLC resonance to achieve zero voltage switching.

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Power Multiplexer Circuit

In this reference design, a power multiplexer circuit with 2 inputs and 1 output is implemented on a small printed circuit board (PCB). Using MOSFET gate drive circuit ICs, eFuse ICs, Zener diodes, and small package MOSFETs selected from Toshiba's various product lines, an ideal diode with BBM and MBB switching is created.

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