More about Circuit Special 2023 files (31)

1-08-2023 | Locks come in many types — not just mechanical, but also electronic. Various mechanisms to open electronic locks have been devised, such as...

1-08-2023 | Build a customizable Morse code transmitter project using a tiny microcontroller. Send preprogrammed messages while adjusting speed and pitc...

1-08-2023 | This is an extended version of the circuit “Dice without MCU” from Elektor Circuit Special 2022 [1]. The circuit has been recreated, and som...

1-08-2023 | Active speakers have their own power supplies and deliver high-quality sound. Their downside is that you need to turn them on to listen to t...

1-08-2023 | This secure, AVR microcontroller-based Combination Access Switch allows you to control electrical loads or other circuits by entering a (sec...

1-08-2023 | When you experiment with microcontrollers and VGA-quality video for retro gaming or some other application, you will need a digital-to-analo...

1-08-2023 | Addressable RGB LEDs are practical components that can be strung together easily. Here, we shaped the string as a 7-segment digit and put it...

1-08-2023 | This circuit measures the power consumption of typical loads such as lamps, household appliances, and heaters. It features an LED bar and an...

1-08-2023 | This device was mainly designed for household appliances dealing with water. In the event of a leak — when a hydro-sensitive sensor is wet —...

1-08-2023 | A residual charge indicator provides a useful visual indication of battery charge status. Here, you can build one using just a simple “tiny”...