Among all the classifications of electronic engineers, which position is extremely high-tech and not easy to be eliminated?There is no doubt that it is naturally a hardware engineer, although the salary is slightly lower than that of a software engineer, but the technology is in hand, and he is never afraid of losing a job, so more and more people choose to become a hardware engineer, so if you want to become a hardware engineer in a short time, how to do it?
1、eeprom: It is usually used to save the configuration information of the device, such as the initial settings of the device, user preferences, etc.;
2. Static digital tube: In many devices, such as electronic watches, counters, etc., it is used to display digital information;
3、rs485In industrial automation, remote monitoring and other fields, it is used for long-distance, multi-branch communication networks.
4. Buzzer: In alarm systems, toys, electronic musical instruments, etc., it is used to make sounds.
Decoder: In systems that require address decoding, such as computer memory management, it is used to convert binary ** into the corresponding output signal.
6. Four-wire bipolar stepper motor: In systems that require precise control of position and speed, such as printers, CNC machines, etc.
7. a reset module: Used to restore the system to its initial state when there is an abnormality or failure in the system.
8. USB automatic**: During development, for automatic programs or data to MCUs or other devices.
9. a power module: Provide stable power supply for the whole system to ensure the normal operation of the system.
10. a temperature module: In temperature control systems, such as air conditioners, ovens, etc., it is used to detect the ambient temperature.
11. an infrared module: In infrared communication or infrared sensing systems, it is used to transmit and receive infrared signals.
12. AD da photosensitive thermal sensitive: In systems where analog signals need to be converted to digital signals or vice versa, and in systems where physical quantities such as light and temperature need to be detected.
13. a traffic light: In traffic management, it is used to indicate the direction of movement of vehicles and pedestrians.
14、ds1302: In systems that require real-time clock functionality, such as electronic calendars, alarm clocks, etc.
15、ne555: In systems that need to generate various timing signals, such as pulse generators, oscillators, etc.
16. TFT color screen 12864 19264: In systems that require the display of image and text information, such as handheld devices, car navigation systems, etc.
17. a matrix keyboard: In systems that require multiple key inputs, such as keyboards, gamepads, etc.
18. Independent buttons: In systems that only require a single key input, such as a switch button, etc.
19、mcu: It is the core of the whole system, responsible for controlling and coordinating the work of each module.
20. a pull-up resistor: It is used to set the default state of the digital signal to ensure the stability and accuracy of the signal.
21. CH340 programming module: Used to burn programs into MCUs or other chips during development.
Bit digital tube: In systems that require the display of digital information, such as electronic watches, counters, etc.
23. an infrared transmitting module: In systems that need to send infrared signals, such as remote controls, etc.
24, display module 1602 12864: In systems that require the display of characters or images, such as electronic displays, billboards, etc.
25. an infrared receiving module: In systems that need to receive infrared signals, such as infrared sensors, remote control receivers, etc.
26. a buzzer drive module: In systems that need to drive the buzzer to make sound, such as alarms, toys, etc.
27. a running water lamp: In systems that require dynamic display effects, such as LED strip lights, stage lights, etc.
28. USB power supply: Power the device through the USB interface to provide convenient and stable power supply.
29. ULN2003 drive circuit: In systems that need to drive stepper motors, such as printers, CNC machines, etc.
*8LED dot matrix screen: In systems that require the display of images or characters, such as electronic displays, billboards, etc.
31. AD analog-to-digital conversion: Convert analog signals into digital signals for computer processing and analysis.
32. a clock circuit: Provide clock signal for the system to ensure the accuracy and stability of the system.
33. DA digital-to-analog conversion: Converts digital signals into analog signals to facilitate the processing and analysis of analog circuits.
LCD: In systems that require the display of characters or simple graphics, such as electronic watches, counters, etc.
35. an external power supply circuit: A circuit that provides external power supply to the system to ensure the normal operation and stability of the system.
36. CPU minimum system working circuit: The basic circuit components that support the normal operation of the MCU to ensure the normal operation and stability of the system.
37. Mono power amplifier interface (HT6872).: In systems that require mono audio amplifiers, such as audio systems, car stereos, etc.
38. a radio circuit: Typically used to receive radio signals and in the device for audio content.
39、rs485In industrial automation, smart home and other fields, it is used for long-distance, multi-branch communication networks.
40. a Bluetooth module interface: In systems that require wireless communication, such as smart bracelets, smart speakers and other devices, it is used for Bluetooth connection and data transmission with mobile phones or other devices.
41. a CAN interfaceIn automotive electronics, industrial automation and other fields, it is used for controller area network (CAN) communication to achieve real-time data transmission and communication between devices.
42. a photoresistor: In systems that need to detect light intensity, such as light switches, light sensors, etc., it is used to convert light intensity into electrical signals.
43. Power supply filter capacitor: It is used to filter out high-frequency noise in the power supply and ensure the stability and reliability of the circuit.
44. an audio amplifier: In systems that need to amplify audio signals, such as audio, microphones and other equipment, it is used to amplify audio signals and improve sound quality.
45. a crystal oscillator: Provide stable clock signal for the system to ensure the accuracy and reliability of the system.
46. a relay: Used to switch current or voltage in systems that need to control high currents or high voltages, such as motor control, power switches, and other equipment.
47: LCD LCD screen: Used to display information in systems that require the display of text or graphics, such as electronic watches, mobile phones, and other devices.
48: GPS module: In systems that require positioning information, such as navigators, smart watches, and other devices, it is used to receive satellite signals and obtain geographic location information.
49. a motor drive circuitIn systems that need to drive motors to run, such as robots, electric vehicles and other equipment, it is used to drive the motor to rotate and realize various motion functions.
50. PWM pulse width modulator: In systems that require precise control of pulse width, such as motor speed control, LED brightness adjustment, etc., it is used to generate signals with adjustable pulse width for precise power control and regulation.
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