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This is a good tool for all USB related testing and debugging.
This module creates a delay before relay activates and sends power forward. 5V integrated PSU onboard.
This was excellent way to test one of the million circuits made out of NE555
A good 9V battery PSU with resettable fuse and you can do a custom output cable to power your each project.
Prototyping board with internal 5V regulator and NE555 clock generator
Good quality in red solder mask color. Chance to fit THT or SMT components.
Good amplifier with left, right, center and subwoofer channels!
This generator is general sawtooth generator implemented with NE555
Simple single sided board to control you Li-Ion charger IC.
This is a good prototype for testing D type flip flops.
Here is a good 18650 Charging Tester with BMS and load activity indicator LED.
These boards works well when I soldered all components. Takes Li-Ion 3.7V and supplies 2 USB ports. One board had a blocked hole with solder in the manufacturing process. However, the solder was easy ...
A compact and effective integrated MOSFET to switch power to your projects.
Cood finishing touch with ENIG surface :-)
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