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Voltage Reduction Adapter for Arduino, DIY Electronics, Small Devices
Product Specifications
Product Name
USB to Micro USB Step-Down Converter Cable
Input Connector
USB Type-A Male
Output Connector
Micro USB Male
Input Voltage
DC 5V
Output Voltage
3.3V or 3V (Fixed, depending on chip)
Output Current
Max 1A (depending on load)
Cable Length
Customizable (3FT)
Built-in Chip
Voltage regulator (e.g., AMS1117 or custom)
Material
PVC Insulation, Tinned Copper Wire
Color
Black (OEM colors available)
Product Introduction
This USB to Micro USB Step-Down Converter Cable reduces the standard 5V USB voltage down to 3.3V (or 3V), making it perfect for powering Arduino modules, ESP8266 boards, low-voltage sensors, and other DIY electronic components that require a lower voltage input.
It's a convenient solution for hobbyists, technicians, and makers who work with sensitive microcontrollers or 3.3V systems.
Key Specifications
Input: 5V from USB-A
Output: 3.3V / 3V via Micro USB
Length: 30cm-50cm or custom
Wire Gauge: 24AWG Power Line
Protection: Overload, short-circuit protection (depends on chip)
Product Features
Safely powers 3.3V microcontroller boards from USB
Plug-and-play, no external components needed
Compact and portable for lab or field use
Clean and stable voltage output
Ideal for DIY electronics and IoT applications
Compatible Devices
Arduino Pro Mini 3.3V
ESP8266 / NodeMCU
OLED / I2C modules (3.3V input only)
Li-Ion charging boards (with 3V-3.7V limit)
Prototyping boards and test environments
Note: Not suitable for charging smartphones or tablets. Ensure your device supports 3.3V power input before use.
Safety & Usage Notes
Do not overload (1A max recommended)
Avoid reverse connection
Not suitable for data transmission (power only)
Use in dry, indoor environments only
Check output voltage variant before connecting to sensitive modules
OEM & Customization Options
Option
Description
Output Voltage
3.3V / 3.0V / 1.8V (fixed or selectable)
Output Connector
Micro USB / DC Barrel / JST / Dupont
Length
15cm / 30cm / 50cm / 100cm
Cable Color
Black / Red / Custom Pantone
Branding
Label Tag / Cable Mold Logo
Packaging
PE Bag / OEM Zip Bag / Retail Box
Frequently Asked Questions
Q1. Are you factory or trade company?
A: We are factory of more than 16 years export experience.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. Samples ?
A: 2-5 pieces free samples are available, freight on you. Delivery time usually is 2-3 days. Customized samples will take 5-10 days.
Q5. What is delivery time if we place an order?
A: It depends order quantities. Usually, we can deliver goods within 10-15 working days, for more QTY order, let's confirm when you place official order.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q7. How to ship out the cargo?
A: At your request, by sea, by express, all are available.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2008
Total Annual:
5000000-10000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Shenzhen Kuncan Electronics Co., Ltd.
Boasting a well-equipped production department armed with state-of-the-art equipment and facilities, we take pride in our manufacturing capabilities.
With over 16 years of specialized experience in China's cable and power industry,
we are well-positioned to de... Shenzhen Kuncan Electronics Co., Ltd.
Boasting a well-equipped production department armed with state-of-the-art equipment and facilities, we take pride in our manufacturing capabilities.
With over 16 years of specialized experience in China's cable and power industry,
we are well-positioned to de...
