1.0 Other board
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The latest board no longer has the error with the reversed pins on the motor driver. So you can simply solder two continuous pin strips from the CORRECT side. No more cables are needed.(Video from 6:34)
The arrangement of the components has changed: The motors have moved to the back. This will make the robot, probably, easier to control. Small change in the speeds of the motors cause larger change in the turned angle of the vehicle.
The batteries are now no longer with NiMH technology, but so-called LiPos. (Lithium-Polymer) Their capacity is adapted to the new rules (for 2022).
However, you will need a LiPo charger for this and a Step Up converter to power the Nano and sensors. With the LiPo-Charger you have to change the resistor R3 against a 20k resistor, otherwise the LiPo will break, because too much current.
- Parts list - PDF 35,52 KB (opens in a new window)
- Eagle wiring diagram - SCH 116,79 KB (opens in a new window)
- Eagle layout - BRD 80,90 KB (opens in a new window)
- Layout as image - PNG 217,74 KB (opens in a new window)
- Tanner file - ZIP 346,88 KB (opens in a new window)
- New railroad - PDF 23,77 KB (opens in a new window)
- Overtake - PDF 13,39 KB (opens in a new window)
With the Gerber file you can e.g. at Seeed to order boards. But there are also other suppliers!