1.8V-5V to 3.3V Step Down Step Up Buck Boost Converter Wifi Bluetooth ESP8266

Wiring Diagram:

Applications:

• Low Power Wifi Module:ESP8266
• Low-power Bluetooth module : HC-05 HC-06
• Low-power Wireless UART module : HC-11 HC-12
• Low-power wireless module : CC1101 CC2500 Nrf24l01+
• Low-power LED Driver

Package Included:
1X DC DC 1.8V-5V to 3.3V  Buck Boost Converter