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Shopping list and bundles (Austria) ​

How to read this page. There are four alternative ways to buy the parts. Each plan is a complete shopping list for the whole robot: every purchased part, every screw and nut with spares, and the filament. Pick one plan and order everything listed under it; do not mix plans. The plans differ only in which shop supplies an item, so the price, the number of parcels and the delivery time differ. Tools and the 3D printer are not included (see the tools list). To change single items, order for several robots or fill the shop carts, use the parts shop.

PlanChoose it whenShops (parcels)PartsShippingTotalvs. cheapest
Plan A: Lowest totalthe price matters most; servos come from AliExpress (2-3 weeks; above €150 split the order or expect import VAT)8€939.23€39.53€978.76cheapest
Plan B: Fewest shopsyou want as few parcels and accounts as possible; costs more because Amazon replaces cheaper shops4€1,111.72€15.25€1,126.97+€148.21
Plan C: EU warehouses (DigiKey only for parts without an EU offer, no AliExpress)everything from EU warehouses (no AliExpress), fastest delivery; DigiKey only where no EU shop lists the part9€1,070.76€74.48€1,145.24+€166.48
Plan D: Genuine boards where availablelike A, but original Adafruit/Seeed/Pololu boards wherever a clone would be cheaper8€948.20€39.53€987.73+€8.97

Prices EUR incl. VAT, observed 2026-10-30; shipping is to Austria (free-shipping thresholds and per-order fees included). Re-check prices and stock before ordering.

Where the plans differ ​

26 of 62 items come from different shops depending on the plan; every other item is bought from the same shop in all plans. Shop and cost per plan:

ItemPlan APlan BPlan CPlan D
Raspberry Pi 5, 4 GBDigiKey.at €117.18DigiKey.at €117.18Berrybase.at €123.90DigiKey.at €117.18
Raspberry Pi Active CoolerDigiKey.at €5.33DigiKey.at €5.33Welectron (DE) €4.90DigiKey.at €5.33
microSD 64 GB A2 (SanDisk Extreme)Amazon.de €26.21Amazon.de €26.21Berrybase.at €25.90Amazon.de €26.21
Raspberry Pi Camera Module 3 WideDigiKey.at €37.28DigiKey.at €37.28Welectron (DE) €35.90DigiKey.at €37.28
Pi 5 camera cable 22→15 pin, 300 mmDigiKey.at €2.14DigiKey.at €2.14Berrybase.at €2.30DigiKey.at €2.14
Seeed XIAO ESP32-S3, pre-soldered headersDigiKey.at €9.05DigiKey.at €9.05Berrybase.at €9.90DigiKey.at €9.05
PCA9685 16-channel PWM board (Adafruit 815 layout)Amazon.de €6.95Amazon.de €6.95Amazon.de €6.95DigiKey.at €15.92
Adafruit LSM6DSOX 6-DoF IMU (4438)DigiKey.at €12.73DigiKey.at €12.73Amazon.de €20.16DigiKey.at €12.73
Adafruit INA260 power monitor (4226)DigiKey.at €10.60DigiKey.at €10.60Eckstein (DE) €11.84DigiKey.at €10.60
Waveshare 2" LCD module, ST7789, 240x320 (17344)Eckstein (DE) €14.27Amazon.de €20.16Welectron (DE) €10.90Eckstein (DE) €14.27
STEMMA QT to female sockets cable, 150 mm (Adafruit 4397; IMU to PCA9685 and IMU to INA260)DigiKey.at €2.02DigiKey.at €2.02Berrybase.at €5.00DigiKey.at €2.02
SPT5435LV-180W servo, 35 kg·cm, 180° (12 + 1 spare)AliExpress (DigitalServo Store) €174.98Amazon.de €292.24Amazon.de €292.24AliExpress (DigitalServo Store) €174.98
Ball bearing 625ZZ (5x16x5)3DJake.at €4.99Amazon.de €7.363DJake.at €4.993DJake.at €4.99
Hobbywing UBEC-10A (V2-Car), 6.0 VLindinger.at €53.98Amazon.de €59.80Lindinger.at €53.98Lindinger.at €53.98
LiPo safety bagLindinger.at €6.49Amazon.de €14.11Lindinger.at €6.49Lindinger.at €6.49
LiPo cell checker / low-voltage alarmLindinger.at €5.95Amazon.de €6.04Lindinger.at €5.95Lindinger.at €5.95
Pololu D36V50F5 5 V 5.5 A step-down regulatorEckstein (DE) €41.59DigiKey.at €48.24Eckstein (DE) €41.59Eckstein (DE) €41.59
XT60H connectors, 3 pairs (battery lead, arming port, loop key)Lindinger.at €4.99Amazon.de €6.44Lindinger.at €4.99Lindinger.at €4.99
Silicone wire 14 AWG / 2.5 mm², red + black, 1 m eachLindinger.at €4.99Amazon.de €12.10Lindinger.at €4.99Lindinger.at €4.99
Silicone wire 18 AWG / 0.75 mm², red + black (1 m each per unit)Lindinger.at €5.98Amazon.de €18.12Lindinger.at €5.98Lindinger.at €5.98
Dupont jumper set 20 cm (F-F, M-M, F-M)Amazon.de €8.05Amazon.de €8.05Berrybase.at €4.90Amazon.de €8.05
Cable ties 100 x 2.5 mm (100)Reichelt.at €1.16Reichelt.at €1.16Berrybase.at €0.90Reichelt.at €1.16
Stand-off M2.5 x 6 mm female-female (Würth 970060151)DigiKey.at €6.62DigiKey.at €6.62Amazon.de €11.29DigiKey.at €6.62
Filament PETG, graphite/black, 1 kg3DJake.at €11.19Amazon.de €14.113DJake.at €11.193DJake.at €11.19
Filament PETG, lime/yellow (shells), 1 kg3DJake.at €11.19Amazon.de €14.363DJake.at €11.193DJake.at €11.19
Raspberry Pi 27 W USB-C power supply, EU plug (bench power without battery)DigiKey.at €12.78DigiKey.at €12.78Welectron (DE) €11.90DigiKey.at €12.78

How the plans are computed (strido_publish.bom): for each plan the optimiser tries every subset of the allowed shops, takes the cheapest allowed offer per item inside the subset and adds each shop's shipping. It does not buy dearer offers just to reach a free-shipping threshold.

Plan A: Lowest total ​

€978.76 in 8 orders. Order everything below; the per-shop subtotals add up to this total.

Amazon.de – €295.72 + shipping €2.40 ​

OrderItemSKUCost
1microSD 64 GB A2 (SanDisk Extreme)B09X7CXWQQ€26.21
1PCA9685 16-channel PWM board (Adafruit 815 layout)B06XSFFXQY€6.95
1Slamtec RPLIDAR C1 (with USB adapter)B0CP8YRY44 (WayPonDEV)€70.58
2 × pack of 525T aluminium disc hornB07F71J1Q2 (DollaTek, 5-pack)€10.06
1 × pack of 525T aluminium clamping arm hornB0F5QG8HQS (5-pack)€9.06
2 × pack of 2Ball bearing 6805-2RS (25x37x7)B0CL4Z679J (2-pack)€13.48
1 × pack of 8Ball bearing 633ZZ (3x13x5)B0GGT3GW69 (8-pack)€10.27
1 × pack of 50Sintered bronze sleeve bearing 3x5x5B0G15L264D (50-pack)€10.27
1LiPo 2S 5000 mAh hardcase, XT60, max 138 x 47 x 25 mm (Gens ace G-Tech)B0GKP683YF€22.18
1LiPo balance charger, AC input (B6AC class)B0F3CYZ6L8 (HTRC B6AC)€46.38
1 × pack of 10Inline ATO fuse holder, 14 AWG leads (main + logic branch)B07426WCLM (Nilight, 10 holders)€8.56
1Silicone wire 22 AWG (Pi 5 V feed with Dupont crimps, button, jumpers)B0C7T9KYND (6 colours x 4 m)€12.10
1 × pack of 3USB-A to USB-C cable, 20 cm, 90° (Pi → XIAO, Pi → LiDAR adapter)B09ZDV7S44 (aceyoon 20 cm 90°, 3-pack)€7.64
1Dupont jumper set 20 cm (F-F, M-M, F-M)B0F98KBV61 (160 x F-F)€8.05
1Dupont 2.54 mm crimp contacts and housings (1-6 pin), for the cut-to-length signal leadsB0FP14VDGS (620 pieces)€9.06
1M3 socket head screw kit, stainless (6-50 mm, nuts, washers; WZHUIDA 1080 pcs)B0D2VST57H€17.14
1 × pack of 40Stand-off M2 x 8 mm female-female, brassB0DR67YGQL€7.73

+2.40 Austrian parcel tax per order

DigiKey.at – €226.53 + shipping €0.00 ​

OrderItemSKUCost
1Raspberry Pi 5, 4 GBSC1431 (2648-SC1431-ND)€117.18
1Raspberry Pi Active CoolerSC1148€5.33
1Raspberry Pi Camera Module 3 WideSC1224€37.28
1Pi 5 camera cable 22→15 pin, 300 mmSC1129€2.14
1Seeed XIAO ESP32-S3, pre-soldered headers102010634€9.05
1Adafruit LSM6DSOX 6-DoF IMU (4438)Adafruit 4438€12.73
1Adafruit INA260 power monitor (4226)Adafruit 4226€10.60
2STEMMA QT to female sockets cable, 150 mm (Adafruit 4397; IMU to PCA9685 and IMU to INA260)Adafruit 4397€2.02
1Pololu #2813 Big Pushbutton Power Switch HPPololu 2813 (Marketplace)€10.80
12Stand-off M2.5 x 6 mm female-female (Würth 970060151)970060151€6.62
1Raspberry Pi 27 W USB-C power supply, EU plug (bench power without battery)SC1407 (not SC1153 = US plug)€12.78

AliExpress (DigitalServo Store) – €174.98 + shipping €5.90 ​

OrderItemSKUCost
13SPT5435LV-180W servo, 35 kg·cm, 180° (12 + 1 spare)4000135787995, variant 35kg-180 Waterproof€174.98

servo order > 150 EUR leaves IOSS: split into two orders or expect import VAT/clearance

Lindinger.at – €82.38 + shipping €5.99 ​

OrderItemSKUCost
2Hobbywing UBEC-10A (V2-Car), 6.0 VHW30603003€53.98
1LiPo safety bagRobbe 23x30 cm (9787514)€6.49
1LiPo cell checker / low-voltage alarmAbsima (9771616)€5.95
1XT60H connectors, 3 pairs (battery lead, arming port, loop key)Robbe XT60 3 pairs (9750234)€4.99
1Silicone wire 14 AWG / 2.5 mm², red + black, 1 m each20479€4.99
2Silicone wire 18 AWG / 0.75 mm², red + black (1 m each per unit)44422€5.98

Reichelt.at – €56.28 + shipping €6.95 ​

OrderItemSKUCost
1Resistor 2.2 kΩ 0.25 W (PCA9685 OE pull-up)METALL 2,20K€0.10
112 mm momentary pushbutton, stainless (ONPOW GQ12B-10S)318555€5.66
3ATO blade fuse 25 A (main, 1 + 2 spare)7786€1.08
2ATO blade fuse 7.5 A (logic branch, 1 + 1 spare)FKS 7.5 A (same series as 7786)€0.72
8WAGO 221-415 lever connector149800€6.48
1Heat-shrink assortment152924€5.39
1Cable ties 100 x 2.5 mm (100)Delock 19186€1.16
1Spiral wrap, black PE, for bundles 4-10 mm (5-10 m)CIMCO 186220 (10 m, bundles 4-20 mm)€4.84
2Adhesive cable-tie mount 13 x 13 mm (HellermannTyton MB2APT-A)HT 151-02243 (per piece)€2.12
1Solder wire, lead-free, 0.8 mm, flux core (50-100 g)Goobay 420259 (50 g, SAC)€13.61
1Hook-and-loop straps (battery strap)280182€5.14
1Double-sided foam mounting tape, 19 mmtesa PRO Universal 338987€9.98

Eckstein (DE) – €55.86 + shipping €6.90 ​

OrderItemSKUCost
1Waveshare 2" LCD module, ST7789, 240x320 (17344)Waveshare 2inch LCD€14.27
1Pololu D36V50F5 5 V 5.5 A step-down regulatorD36V50F5€41.59

shipping to AT not shown before checkout: 6.90 assumed (UNVERIFIED)

3DJake.at – €27.37 + shipping €5.49 ​

OrderItemSKUCost
1 × pack of 10Ball bearing 625ZZ (5x16x5)625ZZ 10-pack€4.99
1Filament PETG, graphite/black, 1 kgELG-50.203.0216 (Elegoo Rapid PETG black)€11.19
1Filament PETG, lime/yellow (shells), 1 kgELG-50.203.0221 (Elegoo Rapid PETG yellow)€11.19

Schraubenking.at – €20.11 + shipping €5.90 ​

OrderItemSKUCost
1 × pack of 100M3 x 10 DIN 912 A2M3x10 DIN912 A2, 100€2.35
1 × pack of 10M3 x 20 DIN 912 A2M3x20 DIN912 A2, 10€0.97
1 × pack of 100M3 DIN 985 nylon lock nutP000461 (zinc-plated)€1.39
3 × pack of 10M2.5 x 5 DIN 912 A2P004986€2.49
1 × pack of 10M2.5 x 6 DIN 912 A2P005010€0.83
2 × pack of 10M2 x 5 DIN 912 A2P003957€1.72
1 × pack of 10M2 x 10 DIN 912 A2P002803€0.78
1 × pack of 100M2 hex nut DIN 934 A2P002807€1.87
1 × pack of 100M2.5 hex nut DIN 934 A2P004196€2.00
1Thread locker, medium strength (blue)Förch 10 ml (P002471)€5.71

Plan B: Fewest shops ​

€1,126.97 in 4 orders. Order everything below; the per-shop subtotals add up to this total.

Amazon.de – €760.56 + shipping €2.40 ​

OrderItemSKUCost
1microSD 64 GB A2 (SanDisk Extreme)B09X7CXWQQ€26.21
1PCA9685 16-channel PWM board (Adafruit 815 layout)B06XSFFXQY€6.95
1Waveshare 2" LCD module, ST7789, 240x320 (17344)B081NBBRWS€20.16
1Slamtec RPLIDAR C1 (with USB adapter)B0CP8YRY44 (WayPonDEV)€70.58
13SPT5435LV-180W servo, 35 kg·cm, 180° (12 + 1 spare)B0G39ZHL4B (angle not stated)€292.24
2 × pack of 525T aluminium disc hornB07F71J1Q2 (DollaTek, 5-pack)€10.06
1 × pack of 525T aluminium clamping arm hornB0F5QG8HQS (5-pack)€9.06
1 × pack of 15Ball bearing 625ZZ (5x16x5)B0CM8TYDR6 (15-pack)€7.36
2 × pack of 2Ball bearing 6805-2RS (25x37x7)B0CL4Z679J (2-pack)€13.48
1 × pack of 8Ball bearing 633ZZ (3x13x5)B0GGT3GW69 (8-pack)€10.27
1 × pack of 50Sintered bronze sleeve bearing 3x5x5B0G15L264D (50-pack)€10.27
2Hobbywing UBEC-10A (V2-Car), 6.0 VB0BCWYQYKW (genuine Hobbywing, marketplace sellers)€59.80
1LiPo 2S 5000 mAh hardcase, XT60, max 138 x 47 x 25 mm (Gens ace G-Tech)B0GKP683YF€22.18
1LiPo balance charger, AC input (B6AC class)B0F3CYZ6L8 (HTRC B6AC)€46.38
1LiPo safety bagB09C31KVK1€14.11
1LiPo cell checker / low-voltage alarmB077Z1N9CS€6.04
1XT60H connectors, 3 pairs (battery lead, arming port, loop key)B07C3KH1VT (Amass, 3 pairs)€6.44
1 × pack of 10Inline ATO fuse holder, 14 AWG leads (main + logic branch)B07426WCLM (Nilight, 10 holders)€8.56
1Silicone wire 14 AWG / 2.5 mm², red + black, 1 m eachB0C53D343Y (5 m)€12.10
2Silicone wire 18 AWG / 0.75 mm², red + black (1 m each per unit)B0D12R349S (5+5 m)€18.12
1Silicone wire 22 AWG (Pi 5 V feed with Dupont crimps, button, jumpers)B0C7T9KYND (6 colours x 4 m)€12.10
1 × pack of 3USB-A to USB-C cable, 20 cm, 90° (Pi → XIAO, Pi → LiDAR adapter)B09ZDV7S44 (aceyoon 20 cm 90°, 3-pack)€7.64
1Dupont jumper set 20 cm (F-F, M-M, F-M)B0F98KBV61 (160 x F-F)€8.05
1Dupont 2.54 mm crimp contacts and housings (1-6 pin), for the cut-to-length signal leadsB0FP14VDGS (620 pieces)€9.06
1M3 socket head screw kit, stainless (6-50 mm, nuts, washers; WZHUIDA 1080 pcs)B0D2VST57H€17.14
1 × pack of 40Stand-off M2 x 8 mm female-female, brassB0DR67YGQL€7.73
1Filament PETG, graphite/black, 1 kgB07TJDTJZD (Sunlu PETG black)€14.11
1Filament PETG, lime/yellow (shells), 1 kgB0D9NDB63H (Sunlu Rapid PETG yellow)€14.36

+2.40 Austrian parcel tax per order

DigiKey.at – €274.77 + shipping €0.00 ​

OrderItemSKUCost
1Raspberry Pi 5, 4 GBSC1431 (2648-SC1431-ND)€117.18
1Raspberry Pi Active CoolerSC1148€5.33
1Raspberry Pi Camera Module 3 WideSC1224€37.28
1Pi 5 camera cable 22→15 pin, 300 mmSC1129€2.14
1Seeed XIAO ESP32-S3, pre-soldered headers102010634€9.05
1Adafruit LSM6DSOX 6-DoF IMU (4438)Adafruit 4438€12.73
1Adafruit INA260 power monitor (4226)Adafruit 4226€10.60
2STEMMA QT to female sockets cable, 150 mm (Adafruit 4397; IMU to PCA9685 and IMU to INA260)Adafruit 4397€2.02
1Pololu D36V50F5 5 V 5.5 A step-down regulatorPololu 4091 (Marketplace)€48.24
1Pololu #2813 Big Pushbutton Power Switch HPPololu 2813 (Marketplace)€10.80
12Stand-off M2.5 x 6 mm female-female (Würth 970060151)970060151€6.62
1Raspberry Pi 27 W USB-C power supply, EU plug (bench power without battery)SC1407 (not SC1153 = US plug)€12.78

Reichelt.at – €56.28 + shipping €6.95 ​

OrderItemSKUCost
1Resistor 2.2 kΩ 0.25 W (PCA9685 OE pull-up)METALL 2,20K€0.10
112 mm momentary pushbutton, stainless (ONPOW GQ12B-10S)318555€5.66
3ATO blade fuse 25 A (main, 1 + 2 spare)7786€1.08
2ATO blade fuse 7.5 A (logic branch, 1 + 1 spare)FKS 7.5 A (same series as 7786)€0.72
8WAGO 221-415 lever connector149800€6.48
1Heat-shrink assortment152924€5.39
1Cable ties 100 x 2.5 mm (100)Delock 19186€1.16
1Spiral wrap, black PE, for bundles 4-10 mm (5-10 m)CIMCO 186220 (10 m, bundles 4-20 mm)€4.84
2Adhesive cable-tie mount 13 x 13 mm (HellermannTyton MB2APT-A)HT 151-02243 (per piece)€2.12
1Solder wire, lead-free, 0.8 mm, flux core (50-100 g)Goobay 420259 (50 g, SAC)€13.61
1Hook-and-loop straps (battery strap)280182€5.14
1Double-sided foam mounting tape, 19 mmtesa PRO Universal 338987€9.98

Schraubenking.at – €20.11 + shipping €5.90 ​

OrderItemSKUCost
1 × pack of 100M3 x 10 DIN 912 A2M3x10 DIN912 A2, 100€2.35
1 × pack of 10M3 x 20 DIN 912 A2M3x20 DIN912 A2, 10€0.97
1 × pack of 100M3 DIN 985 nylon lock nutP000461 (zinc-plated)€1.39
3 × pack of 10M2.5 x 5 DIN 912 A2P004986€2.49
1 × pack of 10M2.5 x 6 DIN 912 A2P005010€0.83
2 × pack of 10M2 x 5 DIN 912 A2P003957€1.72
1 × pack of 10M2 x 10 DIN 912 A2P002803€0.78
1 × pack of 100M2 hex nut DIN 934 A2P002807€1.87
1 × pack of 100M2.5 hex nut DIN 934 A2P004196€2.00
1Thread locker, medium strength (blue)Förch 10 ml (P002471)€5.71

Plan C: EU warehouses (DigiKey only for parts without an EU offer, no AliExpress) ​

€1,145.24 in 9 orders. Order everything below; the per-shop subtotals add up to this total.

Amazon.de – €585.15 + shipping €2.40 ​

OrderItemSKUCost
1PCA9685 16-channel PWM board (Adafruit 815 layout)B06XSFFXQY€6.95
1Adafruit LSM6DSOX 6-DoF IMU (4438)B085F3F19D€20.16
1Slamtec RPLIDAR C1 (with USB adapter)B0CP8YRY44 (WayPonDEV)€70.58
13SPT5435LV-180W servo, 35 kg·cm, 180° (12 + 1 spare)B0G39ZHL4B (angle not stated)€292.24
2 × pack of 525T aluminium disc hornB07F71J1Q2 (DollaTek, 5-pack)€10.06
1 × pack of 525T aluminium clamping arm hornB0F5QG8HQS (5-pack)€9.06
2 × pack of 2Ball bearing 6805-2RS (25x37x7)B0CL4Z679J (2-pack)€13.48
1 × pack of 8Ball bearing 633ZZ (3x13x5)B0GGT3GW69 (8-pack)€10.27
1 × pack of 50Sintered bronze sleeve bearing 3x5x5B0G15L264D (50-pack)€10.27
1LiPo 2S 5000 mAh hardcase, XT60, max 138 x 47 x 25 mm (Gens ace G-Tech)B0GKP683YF€22.18
1LiPo balance charger, AC input (B6AC class)B0F3CYZ6L8 (HTRC B6AC)€46.38
1 × pack of 10Inline ATO fuse holder, 14 AWG leads (main + logic branch)B07426WCLM (Nilight, 10 holders)€8.56
1Silicone wire 22 AWG (Pi 5 V feed with Dupont crimps, button, jumpers)B0C7T9KYND (6 colours x 4 m)€12.10
1 × pack of 3USB-A to USB-C cable, 20 cm, 90° (Pi → XIAO, Pi → LiDAR adapter)B09ZDV7S44 (aceyoon 20 cm 90°, 3-pack)€7.64
1Dupont 2.54 mm crimp contacts and housings (1-6 pin), for the cut-to-length signal leadsB0FP14VDGS (620 pieces)€9.06
1M3 socket head screw kit, stainless (6-50 mm, nuts, washers; WZHUIDA 1080 pcs)B0D2VST57H€17.14
1 × pack of 12Stand-off M2.5 x 6 mm female-female (Würth 970060151)B0GK7QTZ7B (brass F-F assortment; confirm the 6 mm variant)€11.29
1 × pack of 40Stand-off M2 x 8 mm female-female, brassB0DR67YGQL€7.73

+2.40 Austrian parcel tax per order

Berrybase.at – €172.80 + shipping €5.95 ​

OrderItemSKUCost
1Raspberry Pi 5, 4 GBRPI5-4GB€123.90
1microSD 64 GB A2 (SanDisk Extreme)SanDisk Extreme A2 64GB€25.90
1Pi 5 camera cable 22→15 pin, 300 mmRPI-CC-SM-30€2.30
1Seeed XIAO ESP32-S3, pre-soldered headersSE-102010634€9.90
2STEMMA QT to female sockets cable, 150 mm (Adafruit 4397; IMU to PCA9685 and IMU to INA260)SE-114992154 (Seeed, alternative)€5.00
1Dupont jumper set 20 cm (F-F, M-M, F-M)DUPK-SET-20€4.90
1Cable ties 100 x 2.5 mm (100)E-E510€0.90

Lindinger.at – €82.38 + shipping €5.99 ​

OrderItemSKUCost
2Hobbywing UBEC-10A (V2-Car), 6.0 VHW30603003€53.98
1LiPo safety bagRobbe 23x30 cm (9787514)€6.49
1LiPo cell checker / low-voltage alarmAbsima (9771616)€5.95
1XT60H connectors, 3 pairs (battery lead, arming port, loop key)Robbe XT60 3 pairs (9750234)€4.99
1Silicone wire 14 AWG / 2.5 mm², red + black, 1 m each20479€4.99
2Silicone wire 18 AWG / 0.75 mm², red + black (1 m each per unit)44422€5.98

Welectron (DE) – €63.60 + shipping €9.90 ​

OrderItemSKUCost
1Raspberry Pi Active CoolerSC1148€4.90
1Raspberry Pi Camera Module 3 WideCamera Module 3 Wide€35.90
1Waveshare 2" LCD module, ST7789, 240x320 (17344)17344€10.90
1Raspberry Pi 27 W USB-C power supply, EU plug (bench power without battery)SC1407€11.90

Reichelt.at – €55.12 + shipping €6.95 ​

OrderItemSKUCost
1Resistor 2.2 kΩ 0.25 W (PCA9685 OE pull-up)METALL 2,20K€0.10
112 mm momentary pushbutton, stainless (ONPOW GQ12B-10S)318555€5.66
3ATO blade fuse 25 A (main, 1 + 2 spare)7786€1.08
2ATO blade fuse 7.5 A (logic branch, 1 + 1 spare)FKS 7.5 A (same series as 7786)€0.72
8WAGO 221-415 lever connector149800€6.48
1Heat-shrink assortment152924€5.39
1Spiral wrap, black PE, for bundles 4-10 mm (5-10 m)CIMCO 186220 (10 m, bundles 4-20 mm)€4.84
2Adhesive cable-tie mount 13 x 13 mm (HellermannTyton MB2APT-A)HT 151-02243 (per piece)€2.12
1Solder wire, lead-free, 0.8 mm, flux core (50-100 g)Goobay 420259 (50 g, SAC)€13.61
1Hook-and-loop straps (battery strap)280182€5.14
1Double-sided foam mounting tape, 19 mmtesa PRO Universal 338987€9.98

Eckstein (DE) – €53.43 + shipping €6.90 ​

OrderItemSKUCost
1Adafruit INA260 power monitor (4226)Adafruit 4226€11.84
1Pololu D36V50F5 5 V 5.5 A step-down regulatorD36V50F5€41.59

shipping to AT not shown before checkout: 6.90 assumed (UNVERIFIED)

3DJake.at – €27.37 + shipping €5.49 ​

OrderItemSKUCost
1 × pack of 10Ball bearing 625ZZ (5x16x5)625ZZ 10-pack€4.99
1Filament PETG, graphite/black, 1 kgELG-50.203.0216 (Elegoo Rapid PETG black)€11.19
1Filament PETG, lime/yellow (shells), 1 kgELG-50.203.0221 (Elegoo Rapid PETG yellow)€11.19

Schraubenking.at – €20.11 + shipping €5.90 ​

OrderItemSKUCost
1 × pack of 100M3 x 10 DIN 912 A2M3x10 DIN912 A2, 100€2.35
1 × pack of 10M3 x 20 DIN 912 A2M3x20 DIN912 A2, 10€0.97
1 × pack of 100M3 DIN 985 nylon lock nutP000461 (zinc-plated)€1.39
3 × pack of 10M2.5 x 5 DIN 912 A2P004986€2.49
1 × pack of 10M2.5 x 6 DIN 912 A2P005010€0.83
2 × pack of 10M2 x 5 DIN 912 A2P003957€1.72
1 × pack of 10M2 x 10 DIN 912 A2P002803€0.78
1 × pack of 100M2 hex nut DIN 934 A2P002807€1.87
1 × pack of 100M2.5 hex nut DIN 934 A2P004196€2.00
1Thread locker, medium strength (blue)Förch 10 ml (P002471)€5.71

DigiKey.at – €10.80 + shipping €25.00 ​

OrderItemSKUCost
1Pololu #2813 Big Pushbutton Power Switch HPPololu 2813 (Marketplace)€10.80

Plan D: Genuine boards where available ​

€987.73 in 8 orders. Order everything below; the per-shop subtotals add up to this total.

Amazon.de – €288.77 + shipping €2.40 ​

OrderItemSKUCost
1microSD 64 GB A2 (SanDisk Extreme)B09X7CXWQQ€26.21
1Slamtec RPLIDAR C1 (with USB adapter)B0CP8YRY44 (WayPonDEV)€70.58
2 × pack of 525T aluminium disc hornB07F71J1Q2 (DollaTek, 5-pack)€10.06
1 × pack of 525T aluminium clamping arm hornB0F5QG8HQS (5-pack)€9.06
2 × pack of 2Ball bearing 6805-2RS (25x37x7)B0CL4Z679J (2-pack)€13.48
1 × pack of 8Ball bearing 633ZZ (3x13x5)B0GGT3GW69 (8-pack)€10.27
1 × pack of 50Sintered bronze sleeve bearing 3x5x5B0G15L264D (50-pack)€10.27
1LiPo 2S 5000 mAh hardcase, XT60, max 138 x 47 x 25 mm (Gens ace G-Tech)B0GKP683YF€22.18
1LiPo balance charger, AC input (B6AC class)B0F3CYZ6L8 (HTRC B6AC)€46.38
1 × pack of 10Inline ATO fuse holder, 14 AWG leads (main + logic branch)B07426WCLM (Nilight, 10 holders)€8.56
1Silicone wire 22 AWG (Pi 5 V feed with Dupont crimps, button, jumpers)B0C7T9KYND (6 colours x 4 m)€12.10
1 × pack of 3USB-A to USB-C cable, 20 cm, 90° (Pi → XIAO, Pi → LiDAR adapter)B09ZDV7S44 (aceyoon 20 cm 90°, 3-pack)€7.64
1Dupont jumper set 20 cm (F-F, M-M, F-M)B0F98KBV61 (160 x F-F)€8.05
1Dupont 2.54 mm crimp contacts and housings (1-6 pin), for the cut-to-length signal leadsB0FP14VDGS (620 pieces)€9.06
1M3 socket head screw kit, stainless (6-50 mm, nuts, washers; WZHUIDA 1080 pcs)B0D2VST57H€17.14
1 × pack of 40Stand-off M2 x 8 mm female-female, brassB0DR67YGQL€7.73

+2.40 Austrian parcel tax per order

DigiKey.at – €242.45 + shipping €0.00 ​

OrderItemSKUCost
1Raspberry Pi 5, 4 GBSC1431 (2648-SC1431-ND)€117.18
1Raspberry Pi Active CoolerSC1148€5.33
1Raspberry Pi Camera Module 3 WideSC1224€37.28
1Pi 5 camera cable 22→15 pin, 300 mmSC1129€2.14
1Seeed XIAO ESP32-S3, pre-soldered headers102010634€9.05
1PCA9685 16-channel PWM board (Adafruit 815 layout)Adafruit 815€15.92
1Adafruit LSM6DSOX 6-DoF IMU (4438)Adafruit 4438€12.73
1Adafruit INA260 power monitor (4226)Adafruit 4226€10.60
2STEMMA QT to female sockets cable, 150 mm (Adafruit 4397; IMU to PCA9685 and IMU to INA260)Adafruit 4397€2.02
1Pololu #2813 Big Pushbutton Power Switch HPPololu 2813 (Marketplace)€10.80
12Stand-off M2.5 x 6 mm female-female (Würth 970060151)970060151€6.62
1Raspberry Pi 27 W USB-C power supply, EU plug (bench power without battery)SC1407 (not SC1153 = US plug)€12.78

AliExpress (DigitalServo Store) – €174.98 + shipping €5.90 ​

OrderItemSKUCost
13SPT5435LV-180W servo, 35 kg·cm, 180° (12 + 1 spare)4000135787995, variant 35kg-180 Waterproof€174.98

servo order > 150 EUR leaves IOSS: split into two orders or expect import VAT/clearance

Lindinger.at – €82.38 + shipping €5.99 ​

OrderItemSKUCost
2Hobbywing UBEC-10A (V2-Car), 6.0 VHW30603003€53.98
1LiPo safety bagRobbe 23x30 cm (9787514)€6.49
1LiPo cell checker / low-voltage alarmAbsima (9771616)€5.95
1XT60H connectors, 3 pairs (battery lead, arming port, loop key)Robbe XT60 3 pairs (9750234)€4.99
1Silicone wire 14 AWG / 2.5 mm², red + black, 1 m each20479€4.99
2Silicone wire 18 AWG / 0.75 mm², red + black (1 m each per unit)44422€5.98

Reichelt.at – €56.28 + shipping €6.95 ​

OrderItemSKUCost
1Resistor 2.2 kΩ 0.25 W (PCA9685 OE pull-up)METALL 2,20K€0.10
112 mm momentary pushbutton, stainless (ONPOW GQ12B-10S)318555€5.66
3ATO blade fuse 25 A (main, 1 + 2 spare)7786€1.08
2ATO blade fuse 7.5 A (logic branch, 1 + 1 spare)FKS 7.5 A (same series as 7786)€0.72
8WAGO 221-415 lever connector149800€6.48
1Heat-shrink assortment152924€5.39
1Cable ties 100 x 2.5 mm (100)Delock 19186€1.16
1Spiral wrap, black PE, for bundles 4-10 mm (5-10 m)CIMCO 186220 (10 m, bundles 4-20 mm)€4.84
2Adhesive cable-tie mount 13 x 13 mm (HellermannTyton MB2APT-A)HT 151-02243 (per piece)€2.12
1Solder wire, lead-free, 0.8 mm, flux core (50-100 g)Goobay 420259 (50 g, SAC)€13.61
1Hook-and-loop straps (battery strap)280182€5.14
1Double-sided foam mounting tape, 19 mmtesa PRO Universal 338987€9.98

Eckstein (DE) – €55.86 + shipping €6.90 ​

OrderItemSKUCost
1Waveshare 2" LCD module, ST7789, 240x320 (17344)Waveshare 2inch LCD€14.27
1Pololu D36V50F5 5 V 5.5 A step-down regulatorD36V50F5€41.59

shipping to AT not shown before checkout: 6.90 assumed (UNVERIFIED)

3DJake.at – €27.37 + shipping €5.49 ​

OrderItemSKUCost
1 × pack of 10Ball bearing 625ZZ (5x16x5)625ZZ 10-pack€4.99
1Filament PETG, graphite/black, 1 kgELG-50.203.0216 (Elegoo Rapid PETG black)€11.19
1Filament PETG, lime/yellow (shells), 1 kgELG-50.203.0221 (Elegoo Rapid PETG yellow)€11.19

Schraubenking.at – €20.11 + shipping €5.90 ​

OrderItemSKUCost
1 × pack of 100M3 x 10 DIN 912 A2M3x10 DIN912 A2, 100€2.35
1 × pack of 10M3 x 20 DIN 912 A2M3x20 DIN912 A2, 10€0.97
1 × pack of 100M3 DIN 985 nylon lock nutP000461 (zinc-plated)€1.39
3 × pack of 10M2.5 x 5 DIN 912 A2P004986€2.49
1 × pack of 10M2.5 x 6 DIN 912 A2P005010€0.83
2 × pack of 10M2 x 5 DIN 912 A2P003957€1.72
1 × pack of 10M2 x 10 DIN 912 A2P002803€0.78
1 × pack of 100M2 hex nut DIN 934 A2P002807€1.87
1 × pack of 100M2.5 hex nut DIN 934 A2P004196€2.00
1Thread locker, medium strength (blue)Förch 10 ml (P002471)€5.71

Caveats ​

  • Low stock at research time: 633ZZ 8-pack, bronze sleeves, Lindinger Hobbywing UBEC, Amazon M2 stand-offs. Order these first or use the alternatives in hardware/bom.yaml.
  • Servos: buy the SPT5435LV -180W (180°) variant. The Amazon listing does not state the angle; the AliExpress order exceeds the €150 IOSS limit (split it or expect import VAT).
  • DigiKey ships from the US (customs-cleared, VAT included). Pololu items on DigiKey are Marketplace items shipped by Pololu; their extra shipping fee is not modelled.
  • DE shops show German VAT; Austrian checkout may add ~1 %.
  • Clone boards are fine for the PCA9685 (Adafruit 815 footprint), horns and fuse holders; buy genuine LiPo, LiDAR, Pi, regulator and UBECs (only genuine UBEC offers are listed).

MIT licence. Mechanical design derived from Yertle by Jerome Graves. CAD, simulation and native tests are not hardware evidence — see Verification.