DIY Mini Lab Bench Power Supply

💡 Basic Information
This is a mini laboratory power supply based on the XL4015 buck converter. It allows you to adjust the output voltage according to your needs, making it suitable for powering various electronic devices.
The XL4015 module operates with an input voltage of 4V to 38V and provides an adjustable output voltage from 1.25V to 36V. The power supply is connected via a DC Jack, and the output voltage can be fine-tuned using a potentiometer.
This power supply is ideal for powering LEDs, motors, batteries, and other low-voltage applications.

📌 Required Components:
1️⃣ Enclosure – 3D-printed
2️⃣ Buck Converter – XL4015
3️⃣ Volt/Ammeter – for displaying voltage and current readings
4️⃣ Multi-turn Potentiometers – 10 kΩ (2 pcs.)
5️⃣ Rocker switch – 2 pcs.
6️⃣ Fuse with Holder
7️⃣ Power Connector – DC Jack 5.5×2.1 mm
8️⃣ Binding Posts – for connecting the load
9️⃣ 26 AWG Wire – for signal connections
🔟 18 AWG Power Wire

🔩 Fasteners & Connections:
1️⃣ M2 6mm Standoffs – 4 pcs.
2️⃣ M2 7mm Screws – 4 pcs.
3️⃣ Crocodile-to-Banana Cable
4️⃣ Crimp Terminals – 2 pcs.

🔧 Additional Elements:
1️⃣ Heatsink – for cooling
2️⃣ Thermal Tape – double-sided
3️⃣ Double-Sided Tape – for securing components
4️⃣ Rubber Feet

🎬 More details can be found here -> https://www.youtube.com/watch?v=AB5_ep3rdUU&ab_channel=BeardedCapt

🚀 Print Setup:
Printer brand: Anycubic

Printer: Kobra 2

Rafts: Doesn't Matter

Supports: Not needed

Resolution: 0.2

Infill: 25%

Filament material: PLA