MCP23x1y Port Expander
I compare the members of the MCP23x1y family: MCP23016, MCP23017, MCP23S17, MCP23018, MCP23S18 and show how to control them.
Read MoreI compare the members of the MCP23x1y family: MCP23016, MCP23017, MCP23S17, MCP23018, MCP23S18 and show how to control them.
Read MoreI show how to use a MOSFET as a switch and which parameters are relevant for the selection of the right MOSFET.
Read MoreCompared to I2C-based EEPROMs, writing data to SPI EEPROMs is faster, especially for bulk uploads. I explain how this works and will introduce my library for the SPI based EEPROMs.
Read MoreI show how you can use I2C controlled EEPROM ICs with your microcontroller. This works very comfortably with a library, but it can also be done without it.
Read MoreWith the SIM800L, you can add mobile phone functions to your projects, e.g. make calls or send measured values via SMS and much more.
Read MoreI show you how to use up to eight I2C components with the same address with the I2C multiplexer TCA9548A. Alternatively, you can use MOSFETs as well for this purpose.
Read MoreHere you will learn what the DCF77 radio clock signal is, how to receive it, how to evaluate it and how to use it optimally together with the library RTCLib.
Read MoreIn this article I will present the features of the real-time clock (RTC) DS3231 and how you can use it with the RTCLib library.
Read MoreI show you how to hack a remote shutter for your smartphone to control it via an Arduino. Moreover: problem-solving for long-term operation.
Read MoreMany projects require a defined voltage level. I’ll show you how you can use linear and switching regulators and how they work.
Read More