RS485电路TTL电平侧均没有设计隔离。不过由于LPC922和LPC2131均为3.3V供电的系统。而RS485为5V供电。...
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>Support RS485 working mode to select transmission direction automatically; >It supports wide power input dc9-36v, and ultra-low energy consumption is only 2W; >Board level built-in multi-level anti surge protection circuit, isolation circuit; >Industrial grade stable SIM card holder; >The syste...
摘要:RS232-TTl-RS485转接口电路图如下所示。 RS232-TTl-RS485转接口电路图如下所示: RJ-11桥接电路的原理图 555定时器引脚图_555芯片引脚参数及功能 相关阅读 •解决方案 | 直击痛点,电磁流量计性能提升之道2024-12-18 19:08 •从AIGC商业化看AI产业布局和半导体机会2024-12-12 17:40 ...
为了在Arduino中使用RS-485,需要一个基于Maxim MAX485 IC的称为5V MAX485 TTL到RS485的模块,因为它允许在1200米的长距离上进行串行通信并且是双向的。在半双工模式下,它的数据传输速率为2.5Mbps。 5V MAX485 TTL至RS485模块需要5V的电压并使用5V逻辑电平,以便可以与Arduino等微控制器的硬件串行端口连接。
the circuit such as lightning stroke, power switch, etc. when cause damage to equipment hardware. Anti Surge: Level 3. ESD Protection Prevent electrostatic damage to equipment, such as human electrostatic, dust electrostatic, electric power application of environmental arc, etc. Contact Level 4. ...
SOUND SPEAKER CIRCUIT,二输入端四或非门,电流输出温度传感器,精密温度传感器,接口,正沿触发双D型触发器,TRICKLE CHARGE TIMEKEEPING CHIP,DUAL J-K FLIP-FLOP,3-TO-8 LINE DECODER,6个高压输出缓冲器,HI-FI AUDIO POWER AMPLIFIER,高稳定性555定时器,四个异或门,FOUR R /S LATCH (AND NON-TRI-STATE),低...
在此背景下,思为无线通信模块为工业自动化提供了多接口应用的解决方案,包含TTL、RS23和RS485。模块能够实现RS-485信号的无线传输,消除了传统布线带来的复杂性与限制。这意味着在一些无法方便布线的环境中,设备仍然能够实现高效的通信。例如,在大型工厂或仓库中,使用无线数传模块可以轻松连接多个设备,确保数据实时传输,...
When there is instantaneous high current in the circuit(such as power switch, etc.), it can ensure that the device hardware is not damaged. ±2KV Power supply interface ±2KV ±2KV Ethernet interface and serial port ±2KV ESD: Prevent electrostatic damage equipment(...
The TTL/RS485 signal can be converted into a differential RS485 signal, support Full Duplex communication Compatible with 3.3V ~ 5V TTL signal level, Power supply terminal with anti-reverse and anti-overvoltage circuit Onboard unibody power supply isolation, provides stable isolated voltage and nee...