DS1302 and DS1307 RTC Real-Time Clock
I will explain the features of the DS1302 and DS1307 RTCs and show how to control them with the Rtc by Makuna library.
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SD cards and SD card modules
SD cards are the medium of choice for storing large amounts of data. I show how to control SD card modules with the Arduino.
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ADS1220 – Part 2: Applications
About this post In the last post, I introduced the ADS1220 24-bit, 4-channel A/D converter and my associated library. In this sequel, I will show you how to…
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MCP23x1y Port Expander
I compare the members of the MCP23x1y family: MCP23016, MCP23017, MCP23S17, MCP23018, MCP23S18 and show how to control them.
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The MOSFET as Switch
I show how to use a MOSFET as a switch and which parameters are relevant for the selection of the right MOSFET.
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EEPROM Part 3 – External SPI EEPROMs
Compared 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.
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EEPROM Part 2 – external I2C EEPROMs
I 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.
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SIM800L module
With the SIM800L, you can add mobile phone functions to your projects, e.g. make calls or send measured values via SMS and much more.
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TCA9548A – I2C Multiplexer
I 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.
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DCF77 – Radio Controlled Clock
Here 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.
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