DB9 Female Terminal to RS232/RS485 Serial Conversion Board

Specifications:

1. Chip: NE555, CD4017.
2. PCB Size: 54mm x 21mm
3. PCB Thickness: 1.6mm.
4. LED Color: Red.
5. Voltage: 2.5V – 14.5V.

Features:

1. Dual-Channel Stereo Output
2. Run-on 7V to 15V power Supply
3. 32 Steps DC volume control has a +32dB to -75dB range.
4. 40 pin QFN 6 x 6 mm package.
5. Much higher efficiency in terms of cost and performance than competitors’ ICs

Specifications:

1. Mutual transform between 5V TTL and 3.3V TTL
2. Four channels of logic and high voltage low voltage logic can two-way transform
3. Portable and lightness, with 2 rows 6 pin contact pins
4. Level Converter- 4 Channel Compatible with the bread plate, can be used directly put on the breadboard
5. 4 Channel Module (great for I2C or SPI) and will work with all microcontrollers, Arduino, Raspberry Pi, Intel Edison, NXP Mbed