USB power supply active load tester

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https://www.electronics-lab.com/usb-power-supply-active-load-tester/

Sasa Karanovic has designed and built a DIY USB power Supply active load tester, that is available at GitHub: USB Power supply Active Load Tester or short PAL Tester is unit designed for testing the quality of the power supplies. Idea was to create low-cost, precise device for simultaneous measurement of Voltage and Current drawn […]

MCP2221 HID Library

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https://www.electronics-lab.com/mcp2221-hid-library/

Zak’s Electronics Blog published a new library and breakout board for MCP2221 USB to UART interface IC: This is a library for interfacing with the HID features of the MCP2221 USB to UART and I2C/SMBus serial converter from Microchip. The converter includes 4 GPIO pins, 3x 10-bit ADCs, 1x 5-bit DAC and more. Microchip does provide […]

DIY USB Line Power Meter Stick

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https://www.electronics-lab.com/diy-usb-line-power-meter-stick/

a new project is published on electro-labs.com, check it out: Another DIY project designed with FabStream’s SoloPCB tool is ready to be shared with Electro-Labs community. This is an USB stick which measures the supply voltage of the USB port and current drawn by the device connected to the port over the stick. Then it calculates […]