This page (revision-25) was last changed on 2021-04-29 05:29 by Murray Altheim

This page was created on 2019-12-28 07:38 by unknown

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Page revision history

Version Date Modified Size Author Changes ... Change note
25 2021-04-29 05:29 11 KB Murray Altheim to previous
24 2021-04-29 05:22 11 KB Murray Altheim to previous | to last
23 2020-05-01 08:39 11 KB Murray Altheim to previous | to last
22 2020-02-08 05:45 10 KB Murray Altheim to previous | to last
21 2020-02-08 00:34 9 KB Murray Altheim to previous | to last

Page References

Incoming links Outgoing links
KRZ 01
KRZ01

Version management

Difference between version and

At line 9 added 3 lines
Note that the KRZ01 has been superceded by the __[KRZ02]__, a Mechanum-wheeled robot. Its Raspberry Pi Zero W, Mini Black Hat Hack3r, and Picon Zero motor controller were used.
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This is the base price of the robot without the servo or VL53L1X Time of Flight (ToF) Sensor.
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| 2x | [Micro Gear Motor (Extended back shaft) - 298:1|https://shop.pimoroni.com/products/micro-metal-gearmotor-extended-back-shaft?variant=3073681089] | £5.10 | nz | Pimoroni |
| 1x | [Magnetic Encoder Pair Kit|https://shop.pimoroni.com/products/magnetic-encoder-pair-kit-for-micro-metal-gearmotors-12-cpr-2-7-18v-hpcb-compatible] | £9 | nz | Pimoroni |
| 1x | [Micro Metal Gearmotor Bracket (Pair)|https://shop.pimoroni.com/products/pimoroni-gearmotor-bracket-pair] | £3.90 | nz | Pimoroni |
| 1x | [Moon Buggy Wheels - Pair|https://shop.pimoroni.com/products/moon-buggy-wheels-pair] | £4.50 | nz | Pimoroni |
| 1x | [Mini Black HAT Hack3r – PCB only|https://shop.pimoroni.com/products/mini-black-hat-hack3r?variant=19448026119] | £4.50 | nz | Pimoroni |
| 2x | [Male 40-pin 2x20 HAT Header|https://shop.pimoroni.com/products/male-40-pin-2x20-hat-header?variant=10476117383] | £1 | nz | Pimoroni |
| 1x | [2x20 pin Female GPIO Header for Raspberry Pi - 11mm|https://shop.pimoroni.com/products/2x20-pin-gpio-header-for-raspberry-pi-2-b-a?variant=1132812269] | £2.10 | nz | Pimoroni |
| 1x | [Breakout Garden Mini (I2C)|https://shop.pimoroni.com/products/breakout-garden-mini-i2c] | £9.60 | nz | Pimoroni |
| 3x | [Sharp GP2Y0D810Z0F Digital Distance Sensor 2-10cm|https://www.adafruit.com/product/1927] | $7.95 | nz | Adafruit |
| 1x | i | e | nz | v |
|| Total | | || NZ$52 |
| 2x | [Micro Gear Motor (Extended back shaft) - 298:1|https://shop.pimoroni.com/products/micro-metal-gearmotor-extended-back-shaft?variant=3073681089] | £5.10 | NZ$20 | Pimoroni |
| 1x | [Magnetic Encoder Pair Kit|https://shop.pimoroni.com/products/magnetic-encoder-pair-kit-for-micro-metal-gearmotors-12-cpr-2-7-18v-hpcb-compatible] | £9 | NZ$18 | Pimoroni |
| 1x | [Micro Metal Gearmotor Bracket (Pair)|https://shop.pimoroni.com/products/pimoroni-gearmotor-bracket-pair] | £3.90 | NZ$16 | Pimoroni |
| 1x | [Moon Buggy Wheels - Pair|https://shop.pimoroni.com/products/moon-buggy-wheels-pair] | £4.50 | NZ$9 | Pimoroni |
| 1x | [Mini Black HAT Hack3r – PCB only|https://shop.pimoroni.com/products/mini-black-hat-hack3r?variant=19448026119] | £4.50 | NZ$9 | Pimoroni |
| 2x | [Male 40-pin 2x20 HAT Header|https://shop.pimoroni.com/products/male-40-pin-2x20-hat-header?variant=10476117383] | £1 | NZ$2 | Pimoroni |
| 1x | [2x20 pin Female GPIO Header for Raspberry Pi - 11mm|https://shop.pimoroni.com/products/2x20-pin-gpio-header-for-raspberry-pi-2-b-a?variant=1132812269] | £2.10 | NZ$8.50 | Pimoroni |
| 1x | [Breakout Garden Mini (I2C)|https://shop.pimoroni.com/products/breakout-garden-mini-i2c] | £9.60 | NZ$19 | Pimoroni |
| 3x | [Sharp GP2Y0D810Z0F Digital Distance Sensor 2-10cm|https://www.adafruit.com/product/1927] | US$7.95 | NZ$37 | Adafruit |
| 1x | 3mm Delrin chassis, nuts and bolts | - | NZ$20 | Adafruit |
|| Base Total | | || NZ$210.50 |
| 1x | [VL53L1X Time of Flight (ToF) Sensor|https://shop.pimoroni.com/products/vl53l1x-breakout] | £14.40 | NZ$29 | Pimoroni |
| 1x | [Micro servo|https://www.adafruit.com/product/169] | US$5.95 | NZ$9 | Adafruit |
|| Extras Total | | || NZ$248.50 |
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__1 May 2020 Update:__ the front ball caster seemed to get hung up sometimes when trying to transition from floor to carpet. David Anderson had cautioned against using a front caster in [his YouTube video|https://youtu.be/8CXReb7f0Eo], so this was hardly an unknown. Due to this issue the front caster has been removed, and the symmetry of the robot sacrificed a bit by moving the wheels forward about 1cm in order to set the balance aft. Even with this change of balance it's still possible for the robot to fall forward onto its nose. Some kind of curved skid to keep this from happening could be fitted, but currently the plan is to change this from a 2 wheeled to 4 Mecanum wheel robot, so no further changes to this design are expected.
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[{Tag Robot RobotPrototype}]
[{Tag KRZ01 Robot RobotPrototype}]
This page (revision-25) was last changed on 2021-04-29 05:29 by Murray AltheimTop