Hotswap ble
Hotswap ble is an open source Nordic nRF PCB design by ebastler: a 2-layer, 271.8 × 103.9 mm board with 134 components (25 distinct parts). It is built around the MAX17048, BQ24075, SRV05-4, NRF52840_E73-2G4M08S1C and more. Filed under keyboards and iot & wireless and power & battery.
ZMK-based replacement PCB for Cornelius keyboard
Cornholius is, first and foremost, a Bluetooth Low Energy capable replacement PCB for the Foostan Cornelius. Key and connector positions as well as PCB outline and plate were derived from the original Cornelius repository, but altered to fit the scope of this project - Thank you for open sourcing these files! In accordance with the license chosen by foostan, this project was published under the same license: CC BY-NC-SA 4.0.
Built around
Parts list
134 components, 25 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX17048 | DFN-8-1EP_2x2mm_P0.5mm_EP0.7x1.3mm | U1 |
| 1 | BQ24075 | VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm | U2 |
| 1 | SRV05-4 | SOT-23-6-routable | U3 |
| 1 | NRF52840_E73-2G4M08S1C nRF52840_E73-2G4M08S1C | nRF52840_E73-2G4M08S1C | U4 |
| 1 | 74LVC1G11 | SOT-363_SC-70-6 | U5 |
| 1 | C55208 32.768 KHz | Crystal_SMD_2012-2Pin_2.0x1.2mm | Y1 |
| 1 | TYPE-C-31-M-12 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | 78171-0002 | Molex_Pico-EZmate_78171-0002_1x02-1MP_P1.20mm_Vertical | J2 |
| 1 | 500MA 500mA | Fuse_0603_1608Metric | F1 |
| 48 | C5184526 MX | SW_MX_HS_1u | MX1, MX2, MX3, MX4, MX5, MX6, MX7, MX8 +40 |
| 1 | C100056 RST | SW_T1A2QR | SW1 |
| 1 | C2802677 IND | LED_1206R | LED1 |
| 48 | 1N4148WT | D_SOD-523 | D1, D2, D3, D4, D5, D6, D7, D8 +40 |
| 1 | BLM15PX121SN1D | L_0402_1005Metric | L1 |
| 1 | 10 uH | L_0603_1608Metric | L2 |
| 6 | 4U7 4u7 | C_0402_1005Metric | C1, C2, C4, C7, C10, C11 |
| 4 | 1u | C_0402_1005Metric | C3, C5, C8, C9 |
| 2 | 100N 100n | C_0402_1005Metric | C6, C14 |
| 2 | 12P 12p | C_0402_1005Metric | C12, C13 |
| 2 | 5K1 5k1 | R_0402_1005Metric | R1, R2 |
Show 5 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 10K 10k | R_0402_1005Metric | R3, R7, R8 |
| 1 | 47K 47k | R_0402_1005Metric | R4 |
| 1 | 1K5 1k5 | R_0402_1005Metric | R5 |
| 1 | 2K2 2k2 | R_0402_1005Metric | R6 |
| 3 | 1k | R_0402_1005Metric | R9, R10, R11 |
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