DFRobotShop Mecanum ローバー 2.0 - Arduino対応ロボット(ベーシックキット)

RobotShop商品コード:RB-Rbo-96
メーカー #: RB-Rbo-96

価格  :
販売価格 ¥29,717

税込

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在庫  :
残り 2 個のみ

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概要

  • プログラマブルMecanum駆動ロボットキット
  • 完成済みArduinoボード内蔵(ATMega328p)
  • 4つのモータの独立制御のための2つのデュアルHブリッジ
  • オンボード電圧レギュレータ(バッテリーが1つだけ必要)
  • 様々なシールドに対応
  • はんだ付けが必要
  • リポバッテリーは別売


DFRobotShop Mecanumローバー2.0 - Arduino互換ロボット は、人気の高いArduino Unoマイクロコントローラに基づいた、汎用性の高い移動ロボットです。 ローバーは2つのタミヤ ツインモーター ギヤボックス、を使用しています。エンコーダの独自のペアだけでなくデュアルモータコントローラシールド**を使用して独立に4つの Mecanumホイールを制御します。 DFRobotShopローバーPCBは、標準Arduino Uno(表面マウントATMega328)、L293Bモータドライバ(ピン8から5に接続)、電圧レギュレータとプロトタイプエリアを内蔵しており、また、ロボットの機械的な構造の一部を兼ねています。 オンボード電圧レギュレータは3.7Vから9V *の省電力でボード全体を起動させることも可能です。

​DFRobotShop Mecanum  ローバー  2.0 - Arduino対応ロボット(ベーシックキット)​

DFRobotShopローバー2.0 Arduino互換ロボット は第一世代 DFRobotShopローバーV2 - Arduino互換追跡ロボット(基本キット) の後継機として構築され、リポ充電池(USBを経由して充電)を統合、はんだプロトタイピングエリア、XBeeの基板フットプリントその他を統合しています。 Mecanum全方向型車輪は、ローバーを次の方向に移動することができます:

​DFRobotShop Mecanum  ローバー  2.0 - Arduino対応ロボット(ベーシックキット)​


関与する力に起因して、いくつかの方向は他よりも著しく低速であることに注意してください。 例として、前方と後方は左右方向に比べてかなり高速です。 中心点の周りのCW / CCWの回転は2WDローバーよりも長く時間がかかります。

*モーターはタミヤのギヤボックスに含まれていて、5Vまで動作します。 6Vモータは別売です。
** DFRobotShopローバーPCBはデュアルモータコントローラを内蔵し、シールドは別のピンを使用するデュアルコントローラを追加します。4機のDCモータの独立制御が可能です。

  • DFRobotShopローバーV2ロボットコントローラx1
  • Mecanum車輪4パック(w/ 金属ハブ) x1 タミヤ ツインモーター ギヤボックスx2
  • 左取付具x1
  • 右取付具x1
  • Arduino用デュアルモーターシールドx1
  • タミヤツインモーターギヤボックス用エンコーダペアx2
  • DFRobotshopローバーハードウェアx2


リポバッテリーは別売です

Customer Reviews

Based on 2 reviews
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J
Joel
Let down by one flaw

Kit is of reasonable physical quality, except the USB port is only soldered down and quite weak. Major design flaw in the board is that the PWM output for the motors uses up all the timer pins on the arduino. ------------------------------------------------------------------------------------------------------------- Hi Joel, We are certainly sorry to hear that you had an issue with the USB connector, and assuming the product was under warranty, would have replaced the entire board free of charge. With regard to the pinout, we had to choose four pins to dedicate to the onboard dual motor controller. We did our bes tot choose pins which are as little used by other shields as possible. Unfortunately a Mecanum driven robot requires a total of four H-bridges (each needs one digital pin and one PWM pin), meaning a total of eight of the 13 digital pins on the Arduino are used. If you add encoders, those require a further four pins, leaving only the analog and either the Tx or Rx pin. The RobotShop Team

S
Shivan
Varying Quality on parts and some issues documentation.

I would start off by saying this is a review for the overall kit and that the controller board is excellent albeit with one issue I've found so far which I can identify as a defect with the one I received or maybe something that got past QA in general. Firstly, the highlights of the kit, the board controller board is exceptional and the expansion board provides more or less everything you need to at least get this up and moving quickly. The wheels are good quality so no issues there. The downsides, firstly the encoder discs shipped with the kit are plastic and the hex shaped hole for two I received was smaller than the shaft so slotting them in caused them to break easily, I quickly switched to cardboard cut outs for the wheels that I could not salvage. The next major issue is with the powering, the supplied resources suggests a 3.7V LiPo battery with at least 1000 mAh so I got one. I didn't see any issues while I was debugging and testing using the serial/usb interface with the LIPO connected and all 4 motors would spin properly. Then when I disconnected the USB the motors would spin for less than 1 second and then it would look like the board just stopped working, I began to worry I shorted something in the board but as soon as I plugged it back into the computer via the USB it was working normally again. That point on it was testing different configurations to figure out what was going wrong, which included powering multiple motors in different combinations to see if one was shorted and maybe just drawing too much power but that didn't result in any issues either. The issue only came up when I tried running all 4 motors at the same time. I thought it was a current draw issue (I didn't do the maths but it shouldn't have been) and maybe I was not supplying enough power to the system so I switched out the LiPo to 4xAA batteries and the battery pack so I removed the L1_SEL jumper while I was debugging and everything seemed to work while connected and not connected via USB. Just to cover all my bases I tried the LiPo again but with L1_SEL jumper not connected and now it seemed to work both connected and disconnected with the USB which was a bit confusing. Turns out that having the L1_SEL jumper connected and running all the motors led to some issues and I cannot figure out why. It's not a big issue since when I'm using it now I just pull out that jumper and the system works without issue but I cannot find this behaviour documented anywhere so I just wanted to make anyone aware of that.

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