How to Make a Flashing LEDs Circuit for Pedestrians? February 20, 2019 How to Make a Flashing LEDs Circuit for Pedestrians? Posted by Marcel at 10:35 am No Responses LED Circuits Tagged with: 4011B Flashing Lights for Pedestrians made 4011B IC. This is a simple circuit that uses high-intensity white LEDs that turn on and off continuously. It may be placed in any part of the body such as an arm. 128Shares128