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Variable brightness controller for Christmas LED lights with Arduino

Variable brightness controller for Christmas LED lights with Arduino

par sl95

With a 24V LED system garlands with fixed brightness, animate them wit...

7.1k 0

Firmware update ESP32 Weather Station (180468)

Firmware update ESP32 Weather Station (180468)

par ElektorLabs

Software updates for the ESP32 Weather Station (180468)

17.9k 29

Gight the guiding light

Gight the guiding light

par Gight

Fall prevention for the elderly

3.5k 0

Heat Detector

Heat Detector

par ElektorLabs

This easy-to build-heat detector does not consume power when idle.

3.7k 0

User Interface for Unilab2 Power Supply

User Interface for Unilab2 Power Supply

par Dieter Aschmann

A user interface with LCD and rotary encoders for the Unilab2 power su...

16.9k 7

A "Tube-Theremin"

A "Tube-Theremin"

A Theremin built with tubes like the original and safe voltages (only...

31.1k 2

ESP-Based PIR Alarm

ESP-Based PIR Alarm

par inc.

ESP based PIR alarm that can monitor an area and send an e-mail and/or...

16.9k 11

A Universal RLC-Box

A Universal RLC-Box

Select a value out of 7...8 decades from resistance, capacitance and i...

7.9k 0

Fail-safe Continuity Tester with Adjustable Threshold

Fail-safe Continuity Tester with Adjustable Threshold

par henrip4

If sometimes you are absent-minded like me, this continuity tester wil...

22.9k 30

DIY power pre-regulator

DIY power pre-regulator

par prasimix

Providing power for a variable bench power supply

18.4k 3

USB-RS232 converter (FT231X BoB) [180537]

USB-RS232 converter (FT231X BoB) [180537]

par ElektorLabs

Next generation USB/Serial Bridge/BOB using a FT231XQ, normal pin head...

8.0k 0

Portable Spot Welding Device with Supercapacitor

Portable Spot Welding Device with Supercapacitor

par gfaman

For battery assembly, a spot welding tool is nice to have. I develop t...

27.6k 7