What are the principle,types and main technical parameters of a switch?
On 2019-01-08 10:56:57 in Generally electronic component
Why a HOT-SPARE Hard Disk is a bad idea
On 2018-12-29 11:10:45 in Knownlege
What is an insurance resistor and how to detect it?
On 2018-12-27 11:31:50 in Resistors
Simple function generator circuit
On 2018-12-27 11:22:15 in Knownlege
Can a Switching Power Supply Be Used as a Charger?
On 2018-12-26 17:13:50 in Generally electronic component
The Advantages of PCB Terminal Block
On 2018-12-24 17:42:01 in Generally electronic component
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
Sequential logic circuit
On 2018-12-20 14:20:16 in Knownlege
What are the main parameters of FET?
On 2018-12-15 12:01:33 in Generally electronic semiconductor
What is a negative temperature coefficient thermistor ( NTC )?
On 2018-12-14 14:37:37 in Generally electronic semiconductor
How to identify and detect common diodes?
On 2018-12-14 14:17:24 in Generally electronic semiconductor
Rated power rating and detection method of fixed resistance
On 2018-12-13 14:58:39 in Knownlege
Self-resetting switch and self-locking switch
On 2018-12-10 13:40:04 in Knownlege
Decoupling capacitance design
On 2018-12-06 11:51:04 in Knownlege
Common causes of virtual welding
On 2018-12-05 10:59:23 in Technology
Matters needing attention in the selection and use of Integrated Circuits
On 2018-12-04 11:41:53 in IC Chips
Packaging and pin identification of integrated circuits
On 2018-12-03 14:10:01 in IC Chips
Characteristics of White LED
On 2018-12-01 11:07:51 in Photoelectric
the detection of the resistor
On 2018-10-31 10:55:57 in Memory
Will be two pen ( regardless of the positive and negative ) are connected with the two ends of the resistor can be connected to measure the actual resistance value ( in order to improve the measurement accuracy ...
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 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 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 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 ...
what is a diode? What are the features?
On 2018-10-26 15:47:07 in Generally electronic semiconductor
The second plate has a unidirectional conductivity, allowing only the current to flow from the positive to the negative ...
Potentiometer detection and resistance detection
On 2018-08-22 12:04:06 in Relays
The actual resistance value can be measured by connecting two forms (no positive or negative) to the two ends of the resistor respectively. ...
How to choose the most suitable machine vision lighting?
On 2020-07-31 11:53:41 in Generally electronic semiconductor
What are the sensors used in mobile phones?
On 2021-02-03 10:37:04 in Sensor
What are the termination methods for electrical connectors?
On 2020-07-23 11:06:41 in IC Chips
What are the advantages of pic microcontroller?
On 2020-05-09 12:01:15 in IC Chips
Do you know what are the precautions for using MOS tubes?
On 2019-12-11 10:38:46 in Discrete Semiconductor
Do you know how to design printed boards and system wiring?
On 2019-08-24 11:42:49 in Generally electronic component
How to solve the interference problem in the motor controller EMC test process？
On 2019-08-12 10:13:51 in Technology
I/O connectors for different purposes
On 2019-07-02 16:20:03 in Connector
How the PSON to power on the ATX and then output other dc outputs?
On 2019-03-16 13:48:08 in Technology
What are the functions of the universal bridge instrument knobs and switches?
On 2019-01-27 14:53:54 in Knownlege
How to manufacture a mobile phone battery charger?
On 2019-01-22 16:56:32 in Technology
How to make a fast battery charger?
On 2019-01-21 16:38:37 in Technology
How to detect a transformer?
On 2018-12-20 11:11:48 in Generally electronic component
On 2018-12-18 13:52:18 in Inductor
On 2018-12-17 15:23:58 in Generally electronic semiconductor