The HK1010 is a DIY LED VU Meter Kit designed for audio level indication using simple, discrete components.

It features 12 diffused LEDs (green, yellow and red), adjustable input sensitivity and operates from a 12-15V DC supply, making it ideal for audio projects, mixers, amplifiers, studio equipment and hobby electronics.

This is a complete soldering kit, perfect for beginners and enthusiasts who want to build their own sound level indicator.

⭐ Features:

DIY LED VU meter electronics kit.

12 diffused LEDs - 6 Green, 4 Yellow and 2 Red.

Works with line level audio signals (0.5-1V).

Adjustable input level via trimmer potentiometer.

Based entirely on discrete transistor circuitry.

Mono LED indicator (single channel).

Supply voltage: 12-15V DC.

Ideal for amplifiers, mixers, audio projects and DIY builds.

Includes all components + PCB.

🎥 Video:

📐 Specifications:

LED count: 12 x 3mm diffused.

Audio input: 0.5-1V line level.

Power supply: 12-15V DC, up to 120 mA.

PCB size: 105 x 37 mm (4.13 x 1.45 in).

Components included:

- Transistors: BC337 x1, BC546/7/8/9 x12

- Diodes: 1N4148 x12

- Capacitors: 10 μF x1, 1 μF x2

- Resistors: full set included

- LED set: 12 LEDs

- PCB and schematic

📦 What’s Included:

- 100% Brand New in original packing.

- 1 x LED VU Meter Kit 12 HK1010 (all components).

- Instruction Manual of English and Bulgarian.

⚠ Notes:

- This is a DIY assembling kit - soldering required.

- Not compatible with direct speaker output.

- Works only with line level audio (0.5-1V).

🚚 Shipping Information:

- Shipped from Bulgaria (EU).

- All items are tested before shipping.

- Orders are dispatched within 1-3 business days (Monday-Friday). 

- Standard shipping: 5-25 business days depending on destination.

- Express shipping is available at checkout.

- For some countries a phone number is required by the carrier (Europe, Australia, Canada).

💬 Customer Service:

If you have any questions, feel free to contact me - I usually reply within 24 hours.