Electric Bobby Car Build - Revision history

Ivc: /* Firmware */

2020-05-29T08:10:02Z

Firmware

← Older revision		Revision as of 08:10, 29 May 2020
Line 367:		Line 367:
	Download my compiled firmware here:		Download my compiled firmware here:

			* [https://ivc.no/bobbycar-electric/hoverboard-firmware-hack-bbcar-ivc.tgz Download full firmware source package]
	* [https://ivc.no/bobbycar-electric/hover-front.bin Download front motor controller firmware]		* [https://ivc.no/bobbycar-electric/hover-front.bin Download front motor controller firmware]
	* [https://ivc.no/bobbycar-electric/hover-rear.bin Download rear motor controller firmware]		* [https://ivc.no/bobbycar-electric/hover-rear.bin Download rear motor controller firmware]

Ivc: /* Compile firmware */

2020-01-10T12:19:48Z

Compile firmware

← Older revision		Revision as of 12:19, 10 January 2020
Line 364:		Line 364:

	The new firmware will reside in <code>build/hover.bin</code>		The new firmware will reside in <code>build/hover.bin</code>

			Download my compiled firmware here:

			* [https://ivc.no/bobbycar-electric/hover-front.bin Download front motor controller firmware]
			* [https://ivc.no/bobbycar-electric/hover-rear.bin Download rear motor controller firmware]
			* [https://ivc.no/bobbycar-electric/config.h View config.h for firmware]

	=== Debugging ===		=== Debugging ===

Ivc at 09:26, 8 January 2020

2020-01-08T09:26:17Z

← Older revision		Revision as of 09:26, 8 January 2020
Line 56:		Line 56:
	\|-		\|-
	! style="text-align:left;vertical-align:top" \| Weight:		! style="text-align:left;vertical-align:top" \| Weight:
	\| X kg		\| 17.6 kg
	\|}		\|}

Line 68:		Line 68:
	* [http://ivc.no/bobbycar-electric/electric_bobby_car_cad_models_2019.rar Electric Bobby Car CAD package] - new parts in Inventor IPT, STEP and STL formats		* [http://ivc.no/bobbycar-electric/electric_bobby_car_cad_models_2019.rar Electric Bobby Car CAD package] - new parts in Inventor IPT, STEP and STL formats

	<html>~~&nbsp~~;   </html>'''Dec. 2019:''' [[Image:36c3_resource_exhaustion.png\|50px]] '''[https://events.ccc.de/congress/2019/wiki/index.php Attending 36C3: Resource Exhaustion]'''		<html>6nbsp;   </html>'''Dec. 2019:''' [[Image:36c3_resource_exhaustion.png\|50px]] '''[https://events.ccc.de/congress/2019/wiki/index.php Attending 36C3: Resource Exhaustion]'''

	== Base preparation ==		== Base preparation ==

Ivc at 23:19, 19 December 2019

2019-12-19T23:19:29Z

← Older revision		Revision as of 23:19, 19 December 2019
Line 285:		Line 285:
	=== Motor wiring ===		=== Motor wiring ===

	Connecting the front motors to controller is straight plug and play, but the rear main motor wires needed to be extended 10 cm to reach the controller. Simple cut-and-solder in 16 AWG extension wires, keeping the existing bullet connectors.		Connecting the front motors to controller is straight plug and play, but the rear main motor wires needed to be extended 10 cm to reach the controller. Simple cut-and-solder in 16 AWG / 1.3mm2 extension wires, keeping the existing bullet connectors.

	Note that if the motors will not turn correctly when throttle is applied, try to swap two of the leads and make sure every connection is solid.		Note that if the motors will not turn correctly when throttle is applied, try to swap two of the leads and make sure every connection is solid.
Line 325:		Line 325:
	=== Power harness and charging ===		=== Power harness and charging ===

	A 3D-printed bracket holds the disconnect plug (cuts all power) and the re-used charging port in place just rear of the equipment bay slot, by [https://figch.de/index.php?nav=bobbycar Fisch's inspiration]. A Y-split harness was made to accommodate a future dual-battery setup, only one connector was used here. It connects four XT60 connectors and 10cm long 14AWG silicone power wires (in retrospect 10-12AWG is a better option.) The male end connects to the battery and the female to the compact Y-splitter from the mainboards, with a 60A fuse in-between.		A 3D-printed bracket holds the disconnect plug (cuts all power) and the re-used charging port in place just rear of the equipment bay slot, by [https://figch.de/index.php?nav=bobbycar Fisch's inspiration]. A Y-split harness was made to accommodate a future dual-battery setup, only one connector was used here. It connects four XT60 connectors and 10cm long 14AWG / 2.0mm2 silicone power wires (in retrospect 10-12AWG / 4.0mm2 is a better option.) The male end connects to the battery and the female to the compact Y-splitter from the mainboards, with a 60A fuse in-between.

	The bracket was fastened using three shortened M4 x 25mm mushroom screws and nuts.		The bracket was fastened using three shortened M4 x 25mm mushroom screws and nuts.

Ivc: /* Calibrate */

2019-12-19T23:08:12Z

Calibrate

← Older revision		Revision as of 23:08, 19 December 2019
Line 341:		Line 341:
	== Firmware ==		== Firmware ==

	=== ~~Calibrate~~ ===		=== Configuration and calibrate ===

	The larsmm Bobby Car optimized hoverboard firmware needed to be changed, calibrated and recompiled in order to be usable.		The larsmm Bobby Car optimized hoverboard firmware needed to be changed, calibrated and recompiled in order to be usable.

Ivc: /* BOM */

2019-12-19T22:45:09Z

BOM

← Older revision		Revision as of 22:45, 19 December 2019
Line 505:		Line 505:

	== BOM ==		== BOM ==

			CAD models:

			* [http://ivc.no/bobbycar-electric/electric_bobby_car_cad_models_2019.rar Electric Bobby Car CAD package] - Inventor IPT, STEP and STL formats

	General parts		General parts

Ivc: /* Usage */

2019-12-19T22:43:49Z

Usage

← Older revision		Revision as of 22:43, 19 December 2019
Line 437:		Line 437:

	== Usage ==		== Usage ==
	[[Image:electric_bobby_car_build_final_usage1.jpg\|~~430px~~\|right]]		[[Image:electric_bobby_car_build_final_usage1.jpg\|420px\|right]]

	Using the Electric Bobby Car is pretty easy. There are two triggers for throttle and brake, two buttons to enable/start-up the front and/or rear motors, and a steering wheel. After acceleration and releasing the triggers (no input), the controller will exponential brake to a halt.		Using the Electric Bobby Car is pretty easy. There are two triggers for throttle and brake, two buttons to enable/start-up the front and/or rear motors, and a steering wheel. After acceleration and releasing the triggers (no input), the controller will exponential brake to a halt.

Ivc: /* Usage */

2019-12-19T22:43:40Z

Usage

← Older revision		Revision as of 22:43, 19 December 2019
Line 437:		Line 437:

	== Usage ==		== Usage ==
	[[Image:electric_bobby_car_build_final_usage1.jpg\|~~400px~~\|right]]		[[Image:electric_bobby_car_build_final_usage1.jpg\|430px\|right]]

	Using the Electric Bobby Car is pretty easy. There are two triggers for throttle and brake, two buttons to enable/start-up the front and/or rear motors, and a steering wheel. After acceleration and releasing the triggers (no input), the controller will exponential brake to a halt.		Using the Electric Bobby Car is pretty easy. There are two triggers for throttle and brake, two buttons to enable/start-up the front and/or rear motors, and a steering wheel. After acceleration and releasing the triggers (no input), the controller will exponential brake to a halt.

Ivc: /* Usage */

2019-12-19T22:43:10Z

Usage

← Older revision		Revision as of 22:43, 19 December 2019
Line 437:		Line 437:

	== Usage ==		== Usage ==
	[[Image:electric_bobby_car_build_final_usage1.jpg\|~~450px~~\|right]]		[[Image:electric_bobby_car_build_final_usage1.jpg\|400px\|right]]

	Using the Electric Bobby Car is pretty easy. There are two triggers for throttle and brake, two buttons to enable/start-up the front and/or rear motors, and a steering wheel. After acceleration and releasing the triggers (no input), the controller will exponential brake to a halt.		Using the Electric Bobby Car is pretty easy. There are two triggers for throttle and brake, two buttons to enable/start-up the front and/or rear motors, and a steering wheel. After acceleration and releasing the triggers (no input), the controller will exponential brake to a halt.

Ivc: /* Usage */

2019-12-19T22:42:40Z

Usage

← Older revision		Revision as of 22:42, 19 December 2019
Line 437:		Line 437:

	== Usage ==		== Usage ==
	[[Image:electric_bobby_car_build_final_usage1.jpg\|450px]]		[[Image:electric_bobby_car_build_final_usage1.jpg\|450px\|right]]

	Using the Electric Bobby Car is pretty easy. There are two triggers for throttle and brake, two buttons to enable/start-up the front and/or rear motors, and a steering wheel. After acceleration and releasing the triggers (no input), the controller will exponential brake to a halt.		Using the Electric Bobby Car is pretty easy. There are two triggers for throttle and brake, two buttons to enable/start-up the front and/or rear motors, and a steering wheel. After acceleration and releasing the triggers (no input), the controller will exponential brake to a halt.