- -43%
AMS117-3.3V DC 4.5-7V 5V-3.3V Buck Setp-dowm LDO modul és IIC I2C UART logikai szint átalakító NRF24L01 CC1101CC2500 SI4432
AMS117-3.3V DC 4.5-7V 5V-3.3V Buck Setp-dowm LDO modul és IIC I2C UART logikai szint átalakító NRF24L01 CC1101CC2500 SI4432
1 383 Ft
43% megtakarítás
2 427 Ft
Nincs adó
Product Name : AMS117-3.3V DC 4.5-7V 5V to 3.3V Buck Setp-dowm LDO Module & IIC I2C UART Logic Level Converter for NRF24L01 CC1101CC2500 SI4432
Packing list:
24 pcs 2 in 1 5V to 3.3V DC-DC Setp-dowmLDO Module & Base 470ohm Resistor Logic Level Converter;
Description:
1 On board DC 4.5V-7V to 3.3V DC-DC Step-Down Power Supply LDO voltage Regulator Module,base AMS1117-3.3;
2 On board 8 channels 5V to 3.3V(also 3.3V to 5V) TTL Logic level converter,base Limiting resistor;
3 2.54MM Pin,UNO MEGA2560 DUE Breadboard friendly;
4 PCB size:25* 15mm
Application for:
Arduiuo UNO MEGA2560 DUE Pro mini Nano
NRF24L01
CC11O1
NRF24LE1
CC2500
ZIGBEE/CC2530
Bluetooth
raspberry pi banana pi
FPGA/CPLD ARM AVR PIC C8051 MSP430 STM32
MCU Development Board
TTL Level conversion principle:
Between 5V and 3.3V level plus 470ohm current limiting resistor, to avoid being burned of 3.3V port.
So, when the LOW side no-load, HIGH side plus 5V level,LOW side test is still at 5V level,vice versa.
This is a normal phenomenon, not the level conversion function does not work.
Schematics:
Packing list:
24 pcs 2 in 1 5V to 3.3V DC-DC Setp-dowmLDO Module & Base 470ohm Resistor Logic Level Converter;
Description:
1 On board DC 4.5V-7V to 3.3V DC-DC Step-Down Power Supply LDO voltage Regulator Module,base AMS1117-3.3;
2 On board 8 channels 5V to 3.3V(also 3.3V to 5V) TTL Logic level converter,base Limiting resistor;
3 2.54MM Pin,UNO MEGA2560 DUE Breadboard friendly;
4 PCB size:25* 15mm
Application for:
Arduiuo UNO MEGA2560 DUE Pro mini Nano
NRF24L01
CC11O1
NRF24LE1
CC2500
ZIGBEE/CC2530
Bluetooth
raspberry pi banana pi
FPGA/CPLD ARM AVR PIC C8051 MSP430 STM32
MCU Development Board
TTL Level conversion principle:
Between 5V and 3.3V level plus 470ohm current limiting resistor, to avoid being burned of 3.3V port.
So, when the LOW side no-load, HIGH side plus 5V level,LOW side test is still at 5V level,vice versa.
This is a normal phenomenon, not the level conversion function does not work.
Schematics:
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