Category: Interface
DS28EC20, A Serial 1-Wire 20Kb EEPROM
The American manufacturer of analog and mixed-signal integrated circuits, Maxim Integrated, has developed a new serial EEPROM memory that operates from single-contact 1-wire interface. The DS28EC20 is a 20480-bit, 1-Wire® EEPROM organized as 80 memory pages of 256 bits each. An...
Continue ReadingVGADuino-II : The New 256 Color Graphic Shield for Arduino
Arduino is pretty much famous for the numerous shields it has. These plug-and-play shields make our life a lot easier while working on some complicated projects. Among all other shields, graphic shields are getting more and more popular. A graphic shield lets you show text, numbers,...
Continue ReadingCMOS-TTL QUADRATURE ENCODER USING LS7084
The quadrature LS7084 Module is a CMOS quadrature clock converter. Quadrature clocks derived from optical or magnetic encoders, when applied to the A and B inputs of the LS7084 are converted to strings of a Clock and an Up/down direction control. These outputs can be interfaced...
Continue ReadingTurn Your Raspberry Pi Into An OBD2
Thomas Beck started a new project to develop a Raspberry Pi based OBD2, On-Board Diagnostic tester, to read vehicle data, trouble codes, and read monitor data. He had developed earlier a firmware for the elektor OBD Analyser NG, a handheld analyser with graphical display, ARM Cortex M3...
Continue Reading8 Channel Optically Isolated IO Board
Opto-Isolated I/O Board offers a compact & convenient way to interface industrial type inputs/outputs to your microcontroller boards, Signal transmission between circuits of different potentials and impedances etc. Specifications 4 opto-isolated inputs & 4 opto-isolated...
Continue Reading4Duino – A 2.4″ TFT LCD IoT Display Module
If your application needs a controller with display interface and a network connectivity, then you need to think about using 4Duino from 4D Systems, a 2.4" TFT LCD IoT display module. 4Duino key features 4Duino has ATmega32U4, a 8-bit MCU from Atmel, which is the same...
Continue ReadingBi-Directional Voltage Level Translator
Lukas Fassler from Soldernerd shares his experience designing a bi-directional voltage level translator and manufacturing the board with DirtyPCBs. While most of my microcontroller designs run on 3.3 volts there is still the occasional 5 volt design. Or I do something with an...
Continue ReadingAn isolated analog input for Arduino
Giovanni Carrera designed a circuit that accepts input voltage from about 20mV to 5V or a current of 4 to 20 mA and converts it to a isolated frequency signal. A voltage to frequency converter can realize an opto-isolated analog input for Arduino or other microcontroller systems....
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