Licky's Column
Selecting Flyback Diodes for 5V Relay Coil Suppression
The voltage generated during relay coil de-energization may be large enough to cause arcing in the control switch contacts and can reduce the swi...
Wifi IoT ESP8266 Relay Board Schematic
What is it and why use the WIFI ESP8266 Relay Board?
We developed this board for you to create any automation application with Wifi control.
See th...
3 Types of Switching Power Supply Snubber Circuit
1. What is a switching power supply snubber circuit?
Snubber circuit is also called absorption circuit, which is an important protection circuit fo...