Miscellaneous

The author 'just wanted to do a bit of microcontroller programming'. However, the project rapidly grew into this impressive and visu...

This circuit provides a delayed visual indication when a door bell switch is pressed. In addition, a DPDT switch can be moved from within th...

When you want to mount components on a PCB or a piece of prototyping board, you not only want to do this quickly, but also tidily. The bendi...

This circuit allows a cheap or discarded wireless doorbell set (i.E. Transmitter and receiver unit) to be used as a remote emergency stop on...

The cheaper variety of rotary encoders, including those from Bourns, are mechanical devices rarely capable of generating more than 25 pulses...

Some microcontroller applications such as  those which log or track information often  require current time and date information  to be stor...