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Improved LM2587S voltage converter (Step-Up Modul DC-DC)

September 27, 2021September 27, 20210

I found some more possibilities to use the LM2587S voltage converter (step-up DC-DC module) after the development of the first case. The module is extremely …

Review Battery Shield V3 – DIY Powerbank with LiPo 18650

July 26, 2021July 29, 20210

I was looking for a battery with a battery management system for my outdoor projects (weather station, irrigation system, etc.). While browsing online stores, I …

Upgrade: Data transfer via VLC and LiFi – Pi to Pi transfer

July 8, 2021July 8, 20211

After I already transferred simple text messages via light signals from a Raspberry Pi to an Arduino Uno ( Link: https://nerd-corner.com/sending-text-messages-with-visible-light-communication/ ), I wanted to …

Sending text messages with visible light communication or LiFi – Pi to Arduino

June 21, 2021September 8, 20215

I like the idea of sending data via visible light. In general, Li-Fi (Light Fidelity) and VLC (Visible Light Communication) are heavily discussed at the …

Cyclic Redundancy Check in C code

June 15, 20212

I plan to build a transmitter and receiver station which is able to transmit data with the help of light signals (“Visible Light Communication” – …

Magnetic clamp for strong neodym magnets

June 4, 2021June 4, 20210

There are often huge round magnets in different colors for magnetic boards, but unfortunately they usually don’t hold properly. That’s why I ordered so-called super …

Step-down Modul DC-DC LM2596S

May 29, 2021June 6, 20211

I have recently constructed a housing for a step-up and had good experiences with it. However, since I also need the other direction, which is …

Step-up Modul DC-DC LM2587S

May 6, 2021June 6, 20212

I bought a battery vacuum cleaner, but unfortunately after two weeks I could not find the charging adapter anymore. The specified voltage for the power …