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projects:hardware:jabel [2019/09/01 10:40] – fantawams | projects:hardware:jabel [2020/04/13 19:59] – [Battery] orimpe | ||
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- | <note important> | + | <WRAP center round important |
+ | Work in progress | ||
+ | </WRAP> | ||
====== Jabel ====== | ====== Jabel ====== | ||
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* led lights to see in the dark | * led lights to see in the dark | ||
* places to connect other Jabels or to fix stuff (perhaps in version 2), solution in the keep it stupid simple way | * places to connect other Jabels or to fix stuff (perhaps in version 2), solution in the keep it stupid simple way | ||
+ | * suspension | ||
+ | * auto drive button (aka press button and it drives with walking pace forward) | ||
+ | * always on beeping | ||
+ | * switch to disconnect battery | ||
+ | * side pipes | ||
+ | * Jabel convoy | ||
=== crazy ideas === | === crazy ideas === | ||
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==== Tips for future versions ==== | ==== Tips for future versions ==== | ||
Buy the steel at [[http:// | Buy the steel at [[http:// | ||
- | Using not 2mm steel but 1 - 1.5 mm steel, to make it lighter. | + | Using not 2mm steel but 1 - 1.5 mm steel, to make it lighter. |
- | Making the metal construction out of aluminium to make it lighter. Thickness should than be at least 2mm to maximum of 3mm. | + | Making the metal construction out of aluminium to make it lighter. Thickness should than be at least 2mm to maximum of 3mm. \\ |
+ | Start and stop button, better position. \\ | ||
+ | Charge connector, better position. \\ | ||
===== software ===== | ===== software ===== | ||
+ | ==== Buildung Firmware ==== | ||
+ | < | ||
+ | make | ||
+ | </ | ||
The Jabel is another form of the [[https:// | The Jabel is another form of the [[https:// | ||
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</ | </ | ||
+ | |||
+ | ==== Flashing the mainboard ==== | ||
+ | It is possible on linux OS, we just could not get it working. | ||
+ | So we are sadly using the windows way with the official ST-Link software. | ||
===== Version 1.0 ===== | ===== Version 1.0 ===== | ||
==== need to know ==== | ==== need to know ==== | ||
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==== basic construction ==== | ==== basic construction ==== | ||
+ | {{ : | ||
The basic construction is made out of steel with 2mm strength. We cut the 30mm pipes to the right sizes. | The basic construction is made out of steel with 2mm strength. We cut the 30mm pipes to the right sizes. | ||
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{{ : | {{ : | ||
- | Than we welded 2x83cm pipes and 2x57cm pipes together, to have an chassis. The other 2 57cm pipes are used to have a sturdier chassis. It will be used to fix the batteries, mainboard and of course our bearing surface. | + | Than we welded 2x83cm pipes and 2x57cm pipes together, to have an chassis. The other 2 57cm pipes are used to have a sturdier chassis. It will be used to fix the batteries, mainboard and of course our bearing surface. |
- | {{ : | + | {{: |
+ | As we decided to use only 2 motors for the first version, we had to improvise a fix for the hoverboard motors. There is a height difference of 9cm between the front wheels and the hoverboard wheels. To have an aligned surface later on, we welded 3 spare pieces together to fix the hoverboard motors onto the chassis. | ||
+ | {{ : | ||
+ | To be able to mount the front wheels and the hoverboard motors onto the chassis, we are using M8 screws. So we drill all the necessary holes into our chassis. \\ | ||
+ | {{: | ||
+ | After this we simply mount all the wheels on it. \\ | ||
+ | {{ : | ||
- | We welded a basic construction out of the steel. As we decided | + | ==== wooden surface ==== |
+ | The wooden surface is used to hold all the heavy stuff while transportation. 64,5cm x 84,5cm. | ||
==== Battery ==== | ==== Battery ==== | ||
- | As we want to have enough energy to transport all the stuff with the Jabel, we need an strong enough | + | As we want to have enough energy to transport all the stuff with the Jabel, we need a power source that is strong enough. |
- | An original hoverboard battery, is a 10s2p battery with 18650 type lion cells. This means 10 cells in serial | + | The original hoverboard battery, is a 10s2p battery with 18650 type lion cells. This means 10 cells in series |
Every battery should have an internal balancer to protect against: | Every battery should have an internal balancer to protect against: | ||
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* 12s4p | * 12s4p | ||
* 10s6p | * 10s6p | ||
+ | * 11s5p <- | ||
* 11s6p | * 11s6p | ||
* 12s6p | * 12s6p | ||
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* 11s8p | * 11s8p | ||
* 12s8p | * 12s8p | ||
+ | {{: | ||
+ | Hier der Aufbau während des zusammenbaus. | ||
+ | |||
+ | |||
+ | {{: | ||
+ | Nahaufnahme der Brücken | ||
+ | |||
+ | {{: | ||
+ | Fertiger Akku, jetzt fehlt nur noch das Batterie Management System (BMS) | ||
+ | ===Arbeitsmaterial=== | ||
+ | * [[https:// | ||
+ | * Autosbatterie als Stromquelle | ||
+ | * Schere | ||
+ | * Nickelband | ||
+ | * [[https:// | ||
+ | * alte Li Ion 18650 Zellen (in diesem Fall 55 Stück) | ||
==== Battery case ==== | ==== Battery case ==== | ||
Having a powerful battery is nice and fine, but without a case it will be difficult to mount it on the Jabel. It also serves a protection against stones, water and dirt. | Having a powerful battery is nice and fine, but without a case it will be difficult to mount it on the Jabel. It also serves a protection against stones, water and dirt. | ||
==== PCB protection ==== | ==== PCB protection ==== | ||
- | The PCB mainboard needs a mechanical protection against water and dirt. | + | The PCB mainboard needs a mechanical protection against water and dirt. For this purpose, we are using a medium junction box. It has enough space for the mainboard and reserve for other PCBs if needed. |