Search Results for: Relays
off-the-shelf touch switch modules, we need to modify them to change their default behaviour. for light switches, two solder pads, marked a and b on the module, have to be shorted. for the bell switch, only pad a is to be shorted, whereas pad b is to be left open. pad a has to be shorted to match the relays
the front panel. led will glow, and the corresponding relay will be energised, which will turn on the first light. ssr relay module used in this project can handle maximum a current, and is suitable for room lights. for switching higher current appliances, replace ssr board with electro-mechanical relays...
https://electronicsforu.com/electronics-projects/touch-switch-panel-control-four-appliances