Sell Free Shipping Upgraded Advanced Version Starter Kit the RFID learn Suite Kit LCD 1602 for Arduino UN best price

Hello everyone, our company is in Shenzhen。we specialize in selling electronic components. When we receive your order, we will process your order within 24 hours. If you order many items, we may need more time to process, it will not be more than 5 days, please be patient. Genaral it need 1-2weeks arrive your hand.if you chat with us , we donot reply you, donot worry , we are try to handle your order.so pls donot cancel order. Description: The module is a DC adjustable step up/down power supply module with 3Bit LED digital tube display. Display output voltage in real time. Rotate potentiometer to adjust output voltage. Set output voltage to meet the require. It can be used as ordinary buck power supply module. Simple and efficient, practical. Feature: Low power supply Wide voltage output Support boost and buck Long handle potentiometer adjustment Parameter: Input Voltage: DC 5V Output Voltage: DC 1.0V-24.0V Output Power: 3W(Max) Conversion efficiency: 94% Working current: 30mA Working Temperature range: -20℃~85℃ Working Humidity range: 0%-95%RH Size: 70*26*22mm Usage: Input DC 5V from USB male socket; Adjust output voltage by potentiometer to meet require; Remove input voltage; Connect load at output terminal; Re-connect power ON and enjoy using. Note: Please don’t short output. Its maximum output power is 3W, which cannot exceed. Please read use manual and description before use. Application: Ordinary power supply Battery charger LED drive power Instrument voltage display Test meter Circuit test Power conversion Package Included: 1 * USB Step Up Down Power Supply Module