The USB-RS485 Conversion Adapter converts communications from the USB interface to the RS-485 interface and can drive KONDO B3M series servo motors.
      
      Note that this is Ver. 2.1. For other versions, please refer to the following repositories.
      
            
               
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              PCB preview image
             
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              Actual PCB
             
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              After component mounting
             
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| Eagle Design Parts # | Q'ty | Mfr. Product # | Supplier | Description | 
|---|---|---|---|---|
| LED1, LED4 | 2 | 150060VS86000 | Mouser | Standard LEDs - SMD Green 2V 20mA 573nm 0603 | 
| LED2, LED3 | 2 | 150060YS75000 | Mouser | Standard LEDs - SMD Yellow 2V 20mA 590nm 0603 | 
| FL1 | 1 | BLM18SD220SN1D | Mouser | Ferrite Beads 22 OHM 0603 | 
| R1, R3, R4 | 3 | RC0603FR-101KL | Mouser | Thick Film Resistors - SMD 1 kOhms 100-200mW 1% 0603 | 
| R2 | 1 | RC0603FR-1310KL | Mouser | Thick Film Resistors - SMD 10 kOhms 100-200mW 1% 0604 | 
| R6 | 1 | RC0603FR-10120RL | Mouser | Thick Film Resistors - SMD 120 Ohms 100-200mW 1% 0605 | 
| R5, R7 | 2 | RC0603FR-10680RL | Mouser | Thick Film Resistors - SMD 680 Ohms 100-200mW 1% 0606 | 
| R8 | 1 | RC0603FR-102KL | Mouser | Thick Film Resistors - SMD 2 kOhms 100-200mW 1% 0607 | 
| C1 | 1 | GRM188B11H103KA01 | Akizuki | Multilayer Ceramic Capacitors SMD/SMT 0.01uF 50V 10% 0603 | 
| C2, C4 | 2 | GCM188L81H104K57 | Akizuki | Multilayer Ceramic Capacitors SMD/SMT 0.1uF 50V 10% 0603 | 
| C3 | 1 | C1608X5R1C475K080AE | Mouser | Multilayer Ceramic Capacitors SMD/SMT 4.7uF 16V 10% 0603 | 
| D1, D2 | 2 | CG0603MLC-05E | Mouser | ESD Protectors 5V 0603 | 
| CH1 | 1 | XT60PW-M | Suzaku Lab. | DC Power Connector, Through Hole, Horizontal, Male, 30A 500V | 
| CH2 | 1 | S4B-XH-A(LF)(SN) | Akizuki | Connector Header Through Hole, Right Angle 4 position 2.5mm | 
| USB1 | 1 | MUSB-5B-NE-S175 | Akizuki | Mini USB Connector 5P B type, Female, SMT type, without standoff | 
| F1 | 1 | MF-MSMF050-2 | Mouser | PTC Resettable Fuses 15V .5A-HD 100A MAX | 
| IC1 | 1 | ADM3078E*1 | Mouser | RS-485/RS-422 Transceiver (Half Duplex, 16 Mbps, DE/RE) | 
| IC2 | 1 | FT232RL | Akizuki | USB Interface IC USB to Serial UART | 
| S1 | 1 | DS-850K-S-ON | Akizuki | Rocker Switches 125VAC 5A | 
    If you have any questions, please contact MasatoKubotera, the product's designer, by E-mail.
    E-mail : masatokubotera06@yahoo.co.jp
    
      This product is open source.
      Please review the LICENSE file for license information.
      
      USB-RS485 Conversion Adapter Ver. 2.1 by Masato Kubotera is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.