Submitted below a very low-cost UPS for modem. Modems / WiFi routers are usually powered by an adaptor and while the utility power fails then internet connectivity is disrupted even if the power is interrupted for less than a second. Providing a commercial 500VA UPS only for the purpose is an expensive proposition. Small duration […]
ups for modem super cheap at 250 INR! Read More »
A very low cost module (< $3) with excellent Features: LCD display of frequency and duty cycle PWM output can be set to the specified frequency and duty cycle. Wide frequency range with high accuracy; Serial communication features, TTL level Parameter settings The module has four independent buttons, used to set the frequency and duty
PWM Module having Adjustable Frequency & Duty Cycle with LCD Display Read More »
Features: It is a simple user programmable wireless remote control switch. The receiver has an output way /working way which can be changed as desired to match the transmitter. It has 4 Relays which can make 2 DC motors turn or reverse, on/off. 1. It covers applications ranging from a simple domestic remote control to
