Electret capacitive microphone
To measure the secondary coil of the output transformer,it can be measured directly with the two surface pen to check the output end of the city ...
On Nov-01-2018 in RelaysTo measure the secondary coil of the output transformer,it can be measured directly with the two surface pen to check the output end of the city ...
On Nov-01-2018 in RelaysThis article describes How Solid-State Relays (SSRs) Faces Overheat Challenge ...
On Dec-18-2018 in RelaysThis article describes the structure and main parameters of the electromagnetic relay ...
On Dec-18-2018 in RelaysThe article explores how to prevent solid-state relay and equipment failure! ...
On Dec-17-2018 in RelaysTo detect the unidirectional conductivity of PN junction,the multimeter is placed in RX 1K block,and the positive and negative resistance between A-GA,GKGA and Gk-K are measured. ...
On Oct-29-2018 in RelaysThe resistance between 2E and C.Silicon tube is almost infinite size power pin tube in the tens of thousands of euros,high-power wrong tube in the hundreds of Europe.If the measured resistance is zero ...
On Oct-27-2018 in RelaysExcellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...
On Oct-29-2018 in Relays