Grippette - USB hub and Dynamixel device
pollen-robotics·elec_grabette·elec_gripette_hub_and_dyn/elec_gripette_hub_and_dyn.kicad_pcb
About the Grippette - USB hub and Dynamixel device PCB
Grippette - USB hub and Dynamixel device is an open source PCB design by pollen-robotics, published on GitHub under the Apache-2.0 license. It is a 4-layer board measuring 65 × 30 mm, with 113 components from 58 distinct parts.
Other key parts include the FE1.1S_24-PIN_WQFN, 24C02S, CH343P, SN74LVC1G125DBV and SN74LVC1G126DBVR. By type, the board carries 39 resistors, 27 capacitors, 12 connectors, 12 diodes, 11 ICs and 3 transistors.
It belongs with the sensors and usb & debug tools designs in this gallery.
From the project
Set of electronic boards for Grabette/Gripette
This repository is part of the "Grabette" project. It gathers several small PCBs of Grabette/Gripette.
It is based on a battery-powered Raspberry PI 4 plus a HAT to which a serie of sensing elements is added. Camera, Stereo Camera, angle sensors, IMU (included on the HAT) and a button + a LED as user interface.
It also gathers data with the same Camera/Stereo Camera system and drive motors. The "under-HAT" electronic board is associated to a Raspberry PI zero 2W. It has a interface to the motors (now Feetech wiring). A Bulk-head board makes the mechanical interface with the arm that holds…

Main components on the Grippette - USB hub and Dynamixel device
Grippette - USB hub and Dynamixel device bill of materials (BOM)
113 components, 58 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | FE1.1S_24-PIN_WQFN FE1.1s_24-Pin_WQFN | WQFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U1 |
| 1 | 24C02S | SOT-23-5 | U2 |
| 1 | CH343P | WCH_QFN-16-1EP_3x3mm_P0.5mm_EP1.8x1.8mm | U3 |
| 2 | SN74LVC1G125DBV | SOT-23-5 | U4, U6 |
| 2 | SN74LVC1G126DBVR | SOT-23-5 | U5, U10 |
| 1 | AP63205 | TSOT-23-6 | U7 |
| 1 | LM5050-1 | TSOT-23-6 | U8 |
| 1 | TPS54560BDDA | Texas_R-PDSO-G8_EP2.95x4.9mm_Mask2.4x3.1mm_ThermalVias | U9 |
| 1 | MCP1700X-330XXTT MCP1700x-330xxTT | SOT-23 | U11 |
| 2 | MMBT3906 | SOT-23 | Q1, Q3 |
| 1 | SI2312CDS-T1-GE3 | TSOT-23 | Q2 |
| 1 | 12MHZ 12MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | PICO4 pico4 | Molex_PicoBlade_53047-0410_1x04_P1.25mm_Vertical | J1 |
| 1 | C160262 JST EH 2 | JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical | J2 |
| 2 | C5157245 DNP - Pogo-pin 4mm | CONN-TH_YZ95315064P-01_pogo | J3, J6 |
| 1 | C7470079 Header 3 | PinHeader_1x03_P1.27mm_Vertical | J4 |
| 1 | C293315 Feetech | Molex_SPOX_5267-03A_1x03_P2.50mm_Vertical | J5 |
| 2 | C7471674 Pogo-pin 2A 4mm | CONN-TH_YZ08415060P-02_pogo | J7, J8 |
| 1 | Feetech | Molex_SPOX_5267-03A_1x03_P2.50mm_Vertical | J9 |
| 3 | C5157245 Pogo-pin 4mm | CONN-TH_YZ95315064P-01_pogo | J10, J13, J14 |
Show 38 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | C2916324 M2,5 x 4mm spacer | SMD_BD5.6-D4.1_spacer | H4, H5, H6, H7 |
| 2 | C913703 100R thermistor | R_0603_1608Metric | TH1, TH2 |
| 1 | BAT54W | SOT-323_SC-70 | D1 |
| 4 | C7429915 LED_Small | LED_0603_1608Metric | D2, D4, D6, D7 |
| 1 | SP0503BAHT | SOT-143 | D3 |
| 1 | C19171301 LED_Small | LED_0603_1608Metric | D5 |
| 2 | 5V1 | D_SOD-323 | D8, D12 |
| 2 | B5819WS | D_SOD-323 | D9, D11 |
| 1 | C8678 D_Schottky 3A | D_SMA | D10 |
| 2 | C57254 6,8u 3A | L_Bourns_SRN6045TA | L1, L2 |
| 1 | 10U 10u | C_0603_1608Metric | C1 |
| 9 | 100N 100n | C_0603_1608Metric | C2, C4, C6, C7, C8, C21, C22, C23 +1 |
| 4 | 1u | C_0603_1608Metric | C3, C5, C25, C26 |
| 3 | C72488 10u 35V | CP_Elec_6.3x7.7 | C9, C10, C11 |
| 1 | 4N7 4n7 | C_0402_1005Metric | C12 |
| 2 | 100N 100n | C_0402_1005Metric | C13, C14 |
| 2 | C84419 22u 6V3 | C_0603_1608Metric | C15, C17 |
| 2 | C72502 22u 16V | CP_Elec_4x5.4 | C16, C18 |
| 1 | 47P 47p | C_0402_1005Metric | C19 |
| 1 | C1525 100n 6V3 | C_0402_1005Metric | C20 |
| 1 | C361184 3,3u 35V | C_0805_2012Metric | C27 |
| 10 | 10K 10k | R_0402_1005Metric | R1, R8, R10, R11, R13, R14, R35, R36 +2 |
| 7 | C17168 0R | R_0402_1005Metric | R2, R17, R25, R29, R33, R34, R41 |
| 1 | 2K7 2k7 | R_0402_1005Metric | R3 |
| 3 | 330R | R_0402_1005Metric | R4, R5, R9 |
| 2 | 5K1 5k1 | R_0402_1005Metric | R6, R7 |
| 2 | 20K 20k | R_0402_1005Metric | R12, R37 |
| 2 | 150R | R_0402_1005Metric | R15, R40 |
| 1 | 100K 100k | R_0402_1005Metric | R16 |
| 1 | 16K9 16k9 | R_0402_1005Metric | R18 |
| 1 | 62K 62k | R_0402_1005Metric | R21 |
| 1 | 8K2 8k2 | R_0402_1005Metric | R22 |
| 2 | DNP-0R | R_0603_1608Metric | R23, R24 |
| 1 | 7K5 7k5 | R_0402_1005Metric | R26 |
| 1 | 100R | R_0402_1005Metric | R27 |
| 1 | C21189 0R | R_0603_1608Metric | R28 |
| 2 | DNP | R_0402_1005Metric | R30, R31 |
| 1 | 243K 243k | R_0402_1005Metric | R32 |
Grippette - USB hub and Dynamixel device design files
The KiCad project lives in the pollen-robotics/elec_grabette repository on GitHub; these links point at the commit this page was built from.
Grippette - USB hub and Dynamixel device: common questions
How big is the Grippette - USB hub and Dynamixel device PCB?
The Grippette - USB hub and Dynamixel device measures 65 × 30 mm, has 4 copper layers and is 1.53 mm thick.
How many components are on the Grippette - USB hub and Dynamixel device?
113 components, from 58 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Grippette - USB hub and Dynamixel device design files?
From the pollen-robotics/elec_grabette repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Grippette - USB hub and Dynamixel device design in my own project?
Yes, under the terms of its Apache-2.0 license, which pollen-robotics chose for the repository.
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