Logic Converters

Connecting a 3.3V device to a 5V system is a challenge.
The bidirectional logic level converter is a small device that safely drops the signals from 5V to 3.3V and increases 3.3V to 5V at the same time.
This level converter also works with 2.8V and 1.8V devices. What really separates this logic level converter from our previous versions is that it can successfully set its high and low voltages and go up and down between them safely on the same channel.
Each level converter has the ability to convert 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side. The level converter is very easy to use. The board needs to be powered from the two sources of voltage (high voltage and low voltage) that your system is using.

This bidirectional logic level converter can be used with normal series, I2C, SPI and other digital signals. It does not work with an analog signal.
It is very easy to use. The card must be powered from the two voltages (high and low voltage) used by the system.
A high voltage (5 V for example) to the pin "HV", low voltage (3.3 V for example) in "LV", and the system ground to pin "GND". TTL Converter Module 5V - 3.3V Bidirectional 2 Channel I2C Logic Level features:
- 2 high voltage channels and low voltage logic logic for bidirectional translation
- 2 low voltage channels High voltage high voltage logic in unidirectional conversion
- The board module is compatible, it can be inserted directly in the use test panel
- HV to 5 V power

TTL level conversion module 5V 3.3V IO Single Interchange Compatible I2C SPI.
Use of high-speed dual-level IT supply level translator chip design. TTL Level Converter 5V - 3.3V IO LJ245A features:
- Main chip: Octal bus transceiver and change from 3.3-V to 5-V with outputs of 3 states LJ245A of Texas Instrument
- VCCA power supply voltage: 4.5 - 5.5 VDC
- VCCB power supply voltage: 2.7 - 3.6 VDC
- Low level input voltage V (IL): 0.8 V
- High-level input voltage V (IH): 2 V
- Low level output current I (OL): 12 - 24 mA
- High level output current I (OH): -24 - -12 mA
- 8 channels allow the conversion of the IO communication level
- Channel levels A and B are controlled by VCCA and VCCB

The PCF8591 is a low-power 8-bit single-chip, single-chip, 8-bit data acquisition device with four analog inputs, an analog output, and an I2C serial bus interface.
Three address legs A0, A1 and A2 are used to program the hardware address, allowing the use of up to eight devices connected to the I2C bus without additional hardware.
Address, control and data to and from the device are transferred in series through the two-way bidirectional I2C bus. Analogue to Digital Converter PCF8591T features:
- Main chip: PCF85911
- Operating voltage supply: 2.5 - 6 V
- Low standby current
- Serial input / output through the I2C bus
- 3 hardware address pins A0, A1, A2
- Sampling speed given by the I2C bus speed

6-pin/10-pin Kanda DIL adapter features:
- Connector for Usbasp Programmer AVR Atmega8 Atmega128

This is a CH340G TTL UART 5V serial adapter, designed to allow adding a USB connection to your project.
In addition, this opens up the possibility of programming microcontrollers like the Arduino Pro mini.
This module allows you to connect your project, from programming small microcontrollers to a custom computer keyboard.
The module is ready for use of a UART connection.
This may require the installation of a driver; however, it is a standard driver distributed by Microsoft Windows Update, available in Linux and that can be configured in MAC OS.
Adapter module CH340G LC Technology -TTL UART 5V series features:
- Manufacturer: LC Technology,
- Communication chipset: CH340G
- Communication: UART,
- Pin connection:

Descripción:
El adaptador de HDMI a VGA le permite conectar un monitor, proyector o LCD analógico estándar que usa un conector o cable VGA a un cuaderno, DVD, TVbox, reproductor BIU-rog, computadora, proyector.
Característica:
- Tipo: adaptador/convertidor AV,
- Conector A: HDMI macho,
- Conector B: VGA hembra,
- Conexión Split / Duplicación: ninguna (1: 1),
- El adaptador dispone de una entrada audio Jack hembra,
- Ancho del cable del adaptador: 15cm,
- Incluye un cable audio Jack macho de ambos lados,
- Ancho del cable audio: 52cm,
- Color: blanco.

Standard ISP download port, for on-line programming. Built-in crystal oscillator circuit (8MHz), crystal are replaceable. Has reset push button, power reset push button. 

This module equipped with a PCF8591 converter has a low current power supply and includes 8 bit CMOS data acquisition devices.
Your converter has four analog inputs, one analog output and one I2C serial bus interface.
It is supplied in the voltage range 2.5V-6V, analog voltage between the negative potential VSS and positive VDD. The control and data signals are transmitted on the two-wire I2C bi-directional bus to the transformed series.
The intensity of the ambient light can be converted into a digital signal thanks to its integrated photoresistor.
It allows access to eight PCF8591 converters on the same I2C bus without additional equipment. Converter Module AD-DA PCF8591 - Analog Voltage 2.5V-6V features:
- Supply voltage (between VSS and VDD): 2.5-6VDC

A standard IEEE1284 DB25 parallel port to your PC via the USB port. Transmission speed reaches 12 Mbps. This cable is "USB Printing Support" port and not Parallel "LPT Printer Port" 

The ADS1115 is an external 16-bit ADC + a built-in programmable gain amplifier (or PGA), which can be very useful for certain Arduino and ESP8266 projects. This is ideal when more resolution or more analogue pins are required. You get better accuracy, as well as relieving the processor of this burden.

This converter has internal DC/DC power supply and full isolation between USB and RS485 output and enables to establish reliable and secure communication. It adopts the original FT232RNL and SP485EEN chip solution, provides stable communication with built-in galvanic isolation, lightning protection and anti-electrostatic protection, etc., it is an ideal choice for industrial control equipment and/or applications with high communication requirements.

Converter RS232/485/422 to Ethernet RJ45 has been designed for the industrial environment. It combines multiple functions including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. The module has an RS232/485/422 and Ethernet port (PoE function).Suitable for applications such as data acquisition, IoT gateway, IoT security. and smart device monitoring.