AMS1117 3.3V DC To DC Buck Regulator Module With LED Indicator 4.75V To 12V Input Fixed 3.3V Output For Arduino ESP8266 ESP32 Projects 800mA Power Supply Board Drop In Replacement For Sensors And Wireless Modules
✔️ Input 4.75 to 12V, fixed 3.3V output, up to 800mA, LED indicator
These compact DC-DC buck regulator modules deliver a stable 3.3V rail from a 4.75-12V input, ideal for powering ESP32/ESP8266 boards, Arduino-compatible sensors, and Bluetooth/wireless modules. The blue, dual-panel design aids heat dissipation and fits breadboards and small PCBs.
✅ Fixed 3.3V output using AMS1117-3.3 precision regulator
✅ Input 4.75 to 12V with single module, LED indicator
✅ 800mA peak current handling for wireless modules
✅ Dual-layer PCB design improves cooling and stability
💡 What is a 3.3V buck regulator module used for in microcontroller projects?
This handy power module provides a stable supply for 3.3V devices in a compact form.
- 3.3V regulation for ESP32, ESP8266, Arduino and sensors
- Efficient power rail with input up to 12V and up to 800mA peak
- LED status indicator and easy breadboard integration