The LED display control card is the core component of the LED graphic display. It is responsible for receiving the picture display information from the computer serial port, putting it into the frame memory, and generating the serial display data and scanning control required by the LED display according to the partition drive mode. Timing. The effect of the LED display screen is related to it. An LED display control card that uses wireless information transmission technology.
Usually people call it LED wireless control card, wireless LED display control system, wireless bar screen control system, car screen control card, etc. Understanding it can help you understand the functions of the wireless LED control card more clearly.
The following are seven categories:
1. GPRS LED control cards.
2. GSM .
3. GPS .
4. RF short-range (RF wireless control card is expensive and does not incur costs, but the distance is generally limited to about 300 meters. The LED display text message control card is relatively simple and easy to maintain, and ordinary personnel can maintain it. , GPRS sends information faster, suitable for large batches of synchronous sending information, please choose according to your own situation).
5. Infrared remote control on-demand control card
6. wifi .
7. Wireless WeChat control card
Among them, the most widely used are GPRS control cards and GPS control cards. You can choose the type of control card according to the actual operation project, or you can directly contact the control card manufacturer to let professionals help you choose according to your needs.
Six functional classifications:
2: RF short-range.
3: Infrared remote control input control card
4: LED SMS control card
5: GPS .
The above are the general types and functional classifications of wireless LED control cards. If you want to learn more about that, let’s talk about them in detail in the next article.