Product Overview
Power your prototyping projects with confidence using the 3 Sets 3.3V/5V MB102 Solderless Breadboard Power Supply Module. Designed for hobbyists, educators, and engineers, this versatile kit delivers reliable, adjustable voltage to any standard MB102 breadboard, while the included 9V battery clip and 2.1 × 5.5 mm male DC jack plug provide flexible power options for on‑the‑go development.
Key Highlights
- Dual‑output design: selectable 3.3 V ± 5 % or 5 V ± 5 % for precise circuit requirements.
- Solderless, plug‑and‑play connection to MB102 breadboards – no tools required.
- Built‑in 5 V regulator with high‑efficiency switching for stable power delivery.
- Convenient 9 V battery clip for portable projects and a 2.1 × 5.5 mm male DC jack for wall‑adapter use.
- Compact, low‑profile PCB fits neatly within the breadboard footprint.
- Over‑current and short‑circuit protection safeguards your components.
Technical Specifications
- Input Voltage: 6.5 V – 12 V (9 V battery or DC adapter)
- Output Voltage: 3.3 V or 5 V (selectable via jumper)
- Maximum Output Current: 700 mA per rail
- Regulator Type: AMS1117 (3.3 V) & AMS1117 (5 V)
- Power Connector: 2.1 × 5.5 mm male DC jack
- Battery Clip: 9 V snap‑on connector
- Dimensions: 85 mm × 55 mm × 13 mm (fits standard MB102 breadboard)
- Operating Temperature: -20 °C to 85 °C
Compatibility & Use Cases
This power supply module is fully compatible with the popular MB102 solderless breadboard and works seamlessly with Arduino, Raspberry Pi Pico, ESP8266/ESP32, sensor modules, and other prototyping boards. Ideal for:
- DIY electronics projects and rapid prototyping.
- Classroom labs and STEM education kits.
- Portable battery‑powered experiments.
- Testing and debugging circuits without soldering.
Why Choose This Set?
- All‑in‑one convenience: Three complete modules, battery clip, and DC jack in one package.
- Reliable performance: Low dropout regulators ensure stable voltage even under load.
- Safety first: Built‑in protection prevents damage to sensitive components.
- Cost‑effective: Purchasing three modules together saves you money compared to buying individually.
- Easy setup: No soldering required – just plug the module into the breadboard’s power rails.
Package Includes
- 3 × MB102 breadboard power supply modules (3.3 V/5 V selectable)
- 1 × 9 V battery clip with snap connector
- 1 × 2.1 × 5.5 mm male DC jack plug cable
- Quick‑start guide with wiring diagrams
Upgrade your prototyping workflow today with the 3 Sets 3.3V 5V MB102 Solderless Breadboard Power Supply Module – the reliable, versatile power solution every maker needs.
Price: Original price was: $ 6.39.$ 3.20Current price is: $ 3.20.

