How to identify and detect common diodes?
On 2018-10-26 15:48:50 in IC Chips
Intuitive judgment. Some of the circuit symbols are printed on the diode to indicate polarity; one end of the negative pole of the diode is printed with a color ring as a negative mark ...
How to set parameters of the inverter?
On 2019-05-25 14:01:42 in Knownlege
How is RFID long-range read-write antenna designed?
On 2020-08-15 11:10:10 in IC Chips
How is the sensor installed and fixed?
On 2020-11-10 11:21:31 in Sensor
How to make an inductive electronic welcome device?
On 2019-01-23 17:10:29 in Technology
How to detect a one-way thyristor?
On 2018-10-29 14:00:36 in Generally electronic semiconductor
Determination of appearance recognition of each electrode Common unidirectional thyristor electrodes are arranged as shown in Figure. ...
How to detect a flashing light emitting diode(BTS)?
On 2018-12-25 11:45:47 in Generally electronic semiconductor
How to detect the quality of potentiometers?
On 2019-06-11 15:08:27 in Resistors
How to install the eddy current sensor?
On 2023-11-17 15:15:45 in Sensor
Why do we need shielding design when designing EMC?
On 2020-10-15 10:27:18 in Generally electronic semiconductor
How to use an internal heat type soldering iron?
On 2019-01-27 15:07:11 in Technology
What is an inductor and how to distinguish the inductance value?
On 2019-01-21 10:47:08 in Inductor
What is a MEG table and how to use it?
On 2019-01-04 11:24:23 in Knownlege
What are the key issues to consider in the process of modernizing the network?
On 2023-05-19 13:30:33 in IC Chips
How to select external connection mode of printed Circuit Board?
On 2019-01-15 11:19:29 in Knownlege
how to detect a photosensitive transistor?
On 2018-10-27 11:13:49 in Memory
the pin of the pin identifies the pin arrangement of the photosensitive transistor as shown in Figure 6-8,the foot near the pin or the longer one is the emitter E,and the far or shorter foot of the foot is the collector C ...
how to detect a bandstop transistor?
On 2018-10-27 11:10:04 in Generally electronic semiconductor
How to replace the transistor in application?
On 2018-10-27 11:03:32 in Knownlege
the principles that should be paid attention to when replacing transistors are as follows.A high limit parameter is used to replace the lower product body tube. ...
How to measure the optocoupler?
On 2018-10-27 10:43:42 in Photoelectric
Because the way of the optical coupler is not the same,so the test should be based on different structures for measurement and judgment. ...
how to detect the discoloration LEDs?
On 2018-10-26 16:40:18 in Memory
As shown in Figure 5-18,a circuit for detecting a discoloration light emitting diode (LEDs),a multimeter is placed in the RX10k2 block,and the two pin is connected. ...
How to make a fast battery charger?
On 2019-01-21 16:38:37 in Technology
how to detect a varactor?
On 2018-10-26 17:08:18 in Memory
Because the positive resistance of the varactor diode is larger,the multimeter is placed in the RX 10k2 block,the red form is connected to the positive pole ...
How to measure the color LED dot matrix display?
On 2018-10-29 15:33:54 in Memory
The color LED dot matrix display is the same as monochrome.You can use short columns or rows of methods to detect,just a little cumbersome operation ...
What is laser displacement sensing technology?
On 2023-10-25 11:31:32 in Sensor
How much do you know about RS-422 and RS-485?
On 2022-03-08 10:43:00 in Knownlege
How to identify and detect transistors?
On 2018-10-27 10:56:39 in Generally electronic semiconductor
how to detect infrared receiving diode?
On 2018-10-26 16:55:08 in Generally electronic semiconductor
the judgment electrode is the same as that for detecting the normal or reverse resistors of ordinary light emitting diodes or diodes. ...
How to detect the light-controlled thyristor?
On 2018-10-29 14:48:43 in Generally electronic semiconductor
Whether it is two feet or three feet of the light control thyristor,detection,first of all will be subject to the light window with black paper stick tape cover ...
How to make an water tank water level automatic controller production?
On 2019-01-23 17:18:01 in Technology
Do you know how to design printed boards and system wiring?
On 2019-08-24 11:42:49 in Generally electronic component
How to detect diodes
On 2018-12-03 14:00:20 in Technology
How to solve the malfunction of LED display?
On 2020-08-03 11:13:45 in IC Chips
how to detect and repair the photoelectric switch?
On 2018-10-27 10:40:06 in Memory
how to detect the LED emission tube?
On 2018-10-26 16:31:21 in Memory
The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
How the Intel G41 chipset motherboard works?
On 2019-04-12 11:39:48 in Knownlege
How to solve some problems of RS-485?
On 2022-03-01 11:32:36 in Connector
How to Clean the Dust of an Inverter?
On 2018-12-21 13:41:03 in Generally electronic component
How to use filters to solve the problem of electromagnetic interference?
On 2021-04-06 10:47:23 in Generally electronic component
What is a Schottky diode? How to detect?
On 2018-10-26 15:54:21 in Relays
Schottky diode is a low-power, high-current,ultra-high-speed semiconductor device, reverse recovery time trr can be small to a few nanoseconds ...