What is the point of reviewing a cheap timer module, especially if it is based on the ubiquitous 555 timer chip? Recently I got an ‘updated’ version of the common 555 timer relay module. This time it ...
JSB27x series of USB 2.0 Controlled module with 2 or 4 Solid State Relays. Each solid state relay is rated for 1 Amp @ 50 Volts AC or DC. Screw type terminal blocks are on the module to provide quick ...