Grove Expander
About the Grove Expander PCB
Grove Expander is an open source PCB design by 74th, published on GitHub under the MIT license. It is a 2-layer board measuring 13.5 × 65 mm, with 17 components from 10 distinct parts.
Other key parts include the AMS1117. By type, the board carries 5 capacitors, 4 connectors, 4 jumpers, 2 resistors, 1 IC and 1 module.
It belongs with the dev boards & breakouts designs in this gallery.
From the project
74th のPCBデータを公開しているプロジェクト
- 2024-12 [[74TH-G060]7Seg Grove](./74TH-G060-7seg-grove/): four 7-segment LEDs using the I2C protocol via Grove: Grove I2Cで7セグLEDを制御できるモジュール。 - 2024-08 [[74TH-G054]Grove Keymouse](./74TH-G054-grovekeymouse/): Grove UART device that uses CH9329 to act as keyboard and mouse via UART. CH9329 を使って UART 経由でキーボード、マウスとして振るわせる、Grove UART デバイス - 2024-07 [[74TH-G053]USB Switch Adapter](./74TH-G053-usbswitchadapter/): スイッチを追加する USB アダプタ - 2024-06 [[74TH-G050]Grove Universal Board](./74TH-G050-groveuniversalboard/): Grove デバイスを作るための小型ユニバーサル基板 - 2024-06 [[74TH-G049]Grove Qwiic debug…
Main components on the Grove Expander
Grove Expander bill of materials (BOM)
17 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117 | Package_SOT-89-3 | U1 |
| 1 | M2_v2 | M2_v2 | M2 |
| 1 | Device1 | Connector_HY-2.0_SMD_4Pin | CH1 |
| 1 | Host | Connector_HY-2.0_SMD_4Pin | CH2 |
| 1 | Device2 | Connector_HY-2.0_SMD_4Pin | CH3 |
| 1 | Device3 | Connector_HY-2.0_SMD_4Pin | CH4 |
| 3 | Jumper_3_Open | SolderJumper-3 | JP1, JP2, JP3 |
| 1 | Jumper_2_Open | SolderJumper-2 | JP4 |
| 5 | 22u | Capacitor_0805_2012 | C1, C2, C3, C4, C5 |
| 2 | 1k | Register_0805_2012 | R1, R2 |
Grove Expander design files
The KiCad project lives in the 74th/74th-oshw-projects repository on GitHub; these links point at the commit this page was built from.
Grove Expander: common questions
How big is the Grove Expander PCB?
The Grove Expander measures 13.5 × 65 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Grove Expander?
17 components, from 10 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 Grove Expander design files?
From the 74th/74th-oshw-projects 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 Grove Expander design in my own project?
Yes, under the terms of its MIT license, which 74th chose for the repository.
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