polish-Jack
New Member
I have an idea for a very simple electronic project. I need a very small device that when the circuit is open the device is dead but then the circuit closes momentarily then a continuous, high pitch, tone is generated for three seconds and a small LED will light up for the same amount of time.
I participate in the sport of fencing (sword play). We have an electronic scoring system that leads a cable up the back of out protective clothing, down the sleeve and into a socket on the weapon. On the tip of the weapon there is a small button/momentary switch that when pressed closes a circuit in the scoring system, indicating a valid touch.
The problem with this is that there are only two such devices for the whole club. I want to make a little box that can be attached to the fencer, most likely at the wrist or somewhere along the arm. In this box there will be the circuit that I have described.
My knowledge of electronics is limited to construction of devices if I have a schematic. Design is out of my league. I have been told that such a circuit is a simple device that would use a 555 timer. Could someone provide me with a link to such a circuit, if it exists, so that I may try to adapt it to the weapon?
I participate in the sport of fencing (sword play). We have an electronic scoring system that leads a cable up the back of out protective clothing, down the sleeve and into a socket on the weapon. On the tip of the weapon there is a small button/momentary switch that when pressed closes a circuit in the scoring system, indicating a valid touch.
The problem with this is that there are only two such devices for the whole club. I want to make a little box that can be attached to the fencer, most likely at the wrist or somewhere along the arm. In this box there will be the circuit that I have described.
My knowledge of electronics is limited to construction of devices if I have a schematic. Design is out of my league. I have been told that such a circuit is a simple device that would use a 555 timer. Could someone provide me with a link to such a circuit, if it exists, so that I may try to adapt it to the weapon?