Pololu SMC01A Скачать руководство пользователя

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Dual Serial
Motor Controller

User’s Guide

Contents:

Safety Warning
Parts List
Contacting Pololu
How to Solder
Assembly Instructions
Connecting the Motor Controller
Using the Motor Controller
How the Motor Controller Works
Description and Specifications

SMC01A

Pololu

Содержание SMC01A

Страница 1: ...tents Safety Warning Parts List Contacting Pololu How to Solder Assembly Instructions Connecting the Motor Controller Using the Motor Controller How the Motor Controller Works Description and Specific...

Страница 2: ...se or to the performance of this product This product is not designed for and should not be used in applications where the malfunction of the product could cause injury or damage Parts List The follow...

Страница 3: ...er soldering trim excessleadswithdiagonalcutters To solder heat a component lead and the PCB pad and then apply solder until the solder flows onto both the lead and the pad If the solder beads up on t...

Страница 4: ...ptions concern the size of the assembled motor controller You can insert the various components into the PCB without soldering to helpdeterminewhichoptionsarebestforyou Should I use IC sockets for U1...

Страница 5: ...5 Pololu SMC01A C2 C1 U3 U2 U1 M2 1 2 M1 Next add the tantalum capacitor C2 You may need to bend the leads to make them straight so that they will fit The capacitor is polarized which means it must on...

Страница 6: ...o use it to ensure that spurious signals sent when your robot controller turns on do not cause the motor controller to detect the baud rate incorrectly onnect this pin to a 0 5V digital output on your...

Страница 7: ...port connector R2 10k R1 4 7k Q1 2N2222 Bold circles indicate pads that are connected to 5V which you can use with the circuit shown on the left SMC01A C2 C1 U3 The above diagram shows a simple circui...

Страница 8: ...s byte should always be 0x80 128 in decimal to signify the beginning of a command The start byte is the only byte with the highest bit bit 7 set and it alerts all devices on the serial line that a new...

Страница 9: ...or controller to use it successfully However you may need to reset the motor controller to ensure that spurious signals sent when your robot controller turns on do notcausethemotorcontrollertodetectth...

Страница 10: ...of 19200 The four numbers in square brackets are the data to be sent and they correspond to the four control bytes for the motor controller The first two bytes should always be 80 and 0 The second 0 m...

Страница 11: ...on and off very rapidly 600 times per second and varies the percentage of the time that the switches are on to achieve the speed set by the serial interface For a higher speed the switches are on a l...

Страница 12: ...bot controller you can independently set each of two small DC motors the kind typically found in remote control cars and motorized toys to go forward or backward at any of 127 different speeds To cont...

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