Hi,
I note with intrest the number of petrol stations changing over to LED pricing displays.
What intrests me is the excellent readability of the displays, not only can you see them from 200m+ but they are viwable at narrow angles (until you are almost side on to the sign)
Does anyone know...
Hi,
I have just received a "product update" from a supplier advising that we fit the ferrite beads (see link) to the supply of control PCBs.
http://www.kemtron.co.uk/buyferrites.html
We have to fit 3 in total, L,N & Earth by loping the cable a single time through the bead.
My guess is...
Does anyone have any pointers where I could buy display modules similar to that seem above motorways and highways?
They are the the type with a matrix of yellow dots which flip round on an electromagnet to give a character display.
Thanks in advance.
Im looking at a system to detect the distance between a crane and a steel girder(the overhead crane type as seen in factories). The idea is to sound a warning when the crane reaches a certain distance from the wall.
I think the best type of sensor to use is an ultrasonic type (but im open to...
Hi,
I am trying to convert the 48VAC I have from a transformer into 24V DC for running a PCB. The current requirement would be 200mA max.
I cant seem to find any off the shelf power supplies or transformers so I attempted to build a circuit by rectifing the 48V and then using the zener diode...
Hi All,
Im looking for some ideas on how to do the following project
I want to record a few different voice recordings and play them back. There will be 4 recordings in total. 1 x 5 minutes, 1 x10 minutes, 1x 15 minutes and 1 x 30 minutes.
The recordings will be made once and stored...
