A simple USB switch so I can swap a keyboard or mouse between two computers.
It is operated by 4 single mechanical switches, 1 for each channel. Simple designs can be implemented.
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.
1 Layers PCB 11 x 48 mm Polyimide Flex, 0.1 mm, 1, Immersion gold (ENIG), Yellow Solder Mask, White silkscreen;
A tiny potable remote that can be customized to do different tasks using touch functionalities of ESP32
PixArt PMW3360DM-T2QU optical mouse sensor breakout board that can operate at 1.8V or 3.3V voltage levels.
LED Indoor Wall Thermometer with Power Adapter
This project started with a conversation with a friend and apparently how the LED based consoles that existed in the 70's have never been revisited
Powerful 1km 6-10 channel remote control, suitable for DIY projects such as drones and cars.
Detects Zero Cross point of AC supply (110/220VAC) and outputs a 1ms square pulse at 3.3V or 5V. 72mm x 20mm for DIN rail carrier mount.
This is a 100w stereo amplifier board. This project can easily play two 50w speakers.
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
A 100W fast-charging mobile power supply based on the IP5389 chip solution, equipped with an OLED display that can display battery power and temperature.
Pocket calculator style general purpose programmable device (computer) ideal for learning programming and improving building/soldering skills.
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.
All files are open source, including software, hardware and 3D printing shells, and how to make and assemble them are described in detail, especially the EQ equalization filter test and frequency response test are explained in detail. The main control uses RP2040 + TI 24-bit asynchronous stereo audio codec PCM3060 with 96/192kHz sampling rate.
This reference design provides design guidelines, data, and more for the smart gate drive coupler evaluation board.
This reference design provides design guidelines, data, and other content for an IH induction cooker inverter circuit based on voltage resonant soft switching.
In theory, it could connect to Google Calendar and show today's events while still being ongoing. Also on the list of features to be implemented is a switch or sensor that changes mode when the pen is removed, and buttons or touch controls for the user interface.
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