Portable jammer Portable jammer and signal removal for cell phone, WiFi, and GPS signals Portable jammer, signal removal Portable Signal Jammer circuit 20M Radius. High Power Signal Jammer Portable powerful and portable solution to completely block a nearby cell phone, WiFi, and GPS signals. Can be used around the world. Strong and effective, this portable […]
Archives for gps
How do you design a PCB?
nanon asked: I want to design my own PCB. My objective is to power 3 motors from my computer using DB25 pin connector, and a power supply. MY only problem is I have no idea how to design one. I do not know any of the components either. does anyone have an idea of how […]
low pass audio filter circuit
low pass audio filter circuit low pass audio filter circuit Using NE5534, TL074, A1015, B507, A671, C1815, D313, C1061, TL072, LF347N low pass audio filter circuit low pass audio filter circuit
Continuity Tester Circuit Diagram
Continuity Tester Circuit Diagram using 2N3905, 2N3904, 1N4148
The four channel PMT controller board
Controller Circuit Board The four channel PMT controller board is a PIC microcontroller based device that communicates with a PC by USB as an HID device and with a PIC-based “hand unit” via PIC-to-PIC RS-232 protocol. These two external inputs (USB and RS-232) send strings to the PMT controller that: * Sets the four high […]
