RS-485 – The Basics (2/2): Simple Master-Slave Half-Duplex Setup скачать в хорошем качестве

RS-485 – The Basics (2/2): Simple Master-Slave Half-Duplex Setup

With demonstrations using Arduinos and TI SN75176B transceivers … ↓↓↓ Complete description, time index and links below ↓↓↓ In the first video we had a look at the principles of RS-485 communication as well as its bus topology, specification and performance. We’re now ready to establish communication between two Arduino MCUs using a RS-485 connection. First we reminisce how easy RS-422 was. After we discuss the challenges of using half-duplex RS-485 busses, we come up with a simple protocol and implement the required hardware and software. Finally our Arduinos talk to each other. 00:00 Intro – making two Arduinos talk to each other via RS-485 01:06 RS-422 – easy full-duplex point-to-point with serial ports 02:26 Bus – challenges and pitfalls of using half-duplex RS-485 04:34 Protocol – exemplary master - (single) slave communication 09:40 Hardware – Arduino, SN75176B, 4 resistors, 1 capacitor 15:19 Software – for master sending bytes and slave echoing them 26:05 Result – echoing characters via RS-485 and a look at the scope 28:29 Wrap-up – next we’re using RS-485 with an Arduino MCU, bye Tutorials    • Tutorials   RS-485 – The Basics (1/2): Principles, Topology, Specification, Performance    • RS-485 – The Basics (1/2): Principles...   RS-485 – The Basics (2/2): Simple Master-Slave Half-Duplex Setup    • RS-485 – The Basics (2/2): Simple Mas...   RS-485 – The Details (1/4): Timeouts, Addressing, Multiple Slaves    • RS-485 – The Details (1/4): Timeouts,...   RS-485 – The Details (2/4): Failsafe Biasing, Associated Protocol Simplifications    • RS-485 – The Details (2/4): Failsafe ...   RS-485 – The Details (3/4): Full-Duplex Bus, Interleaving Messages    • RS-485 – The Details (3/4): Full-Dupl...   RS-485 – The Details (4/4): Modbus, PROFIBUS, DMX    • RS-485 – The Details (4/4): Modbus, P...   RS-422 RS-Differential Signaling (Renesas ISL8490, Arduino MCU) – The Basics (1/2)    • RS-422 Differential Signaling (Renesa...   RS-422 Differential Signaling (Renesas ISL8490, Arduino MCU) – The Basics (2/2)    • RS-422 Differential Signaling (Renesa...   RS-422 Differential Signaling (ISL8490, AdUM121N) – The Details (1/2)    • RS-422 Differential Signaling (ISL849...   RS-422 Differential Signaling (ISL8490, AdUM121N) – The Details (2/3)    • RS-422 Differential Signaling (ISL849...   RS-422 Differential Signaling (ISL8490, AdUM121N) – The Details (3/4)    • RS-422 Differential Signaling (ISL849...   RS-422 Differential Signaling (ISL8490, AdUM121N) – The Details (4/4)    • RS-422 Differential Signaling (ISL849...   My code https://drive.google.com/drive/folder... Texas Instruments, Application Report, RS-422 and RS-485 Standards Overview and System Configurations http://focus.ti.com/lit/an/slla070d/s... #rs485 #arduino #mcu #microcontroller #tutorials #tutorial #how-to #robertssmorgasbord