Build Your Own Portable Desktop Power Supply with Voltage and Current Control + USB Charger!
Hello to dear friends and companions! In this video from the "DIY" series, we'll build the third version of our portable power supply together. In addition to the features of the previous version, 1.2, this one will have a USB output for charging mobile phones and other USB-chargeable devices.
Having a small, portable variable power supply can be very useful and practical. By following this series of videos, you'll be able to build power supplies with various useful features at the lowest possible cost.
I hope you enjoy watching this video and find it useful!
Parts and components needed:
1. Plastic box with dimensions around 3.5 × 6.5 × 9 cm or slightly larger
2. DC to DC buck converter module with current control and cut-off point
3. Digital voltage and current display (voltmeter and ammeter)
4. Diode for protecting the buck converter module (1 piece)
5. 10kΩ potentiometer (2 pieces)
6. 1kΩ potentiometer (1 piece)
7. Knobs for the potentiometers (3 pieces)
8. Female adapter jack (1 piece)
9. Female banana jack (2 pieces)
10. Male banana plug (2 pieces)
11. Alligator clips (2 pieces)
12. On/off switch (2 pieces)
13. 3mm LED (2 pieces, any color)
14. USB charger module or power bank module
The required components for this version are almost the same as for version 1.2, with just a couple of additional parts as listed above. You can watch the video reviewing and selecting the components here:
• قطعات ساخت منبع تغذیه ...
Download the box layout and schematic files:
download.wisel...
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