Sending Pebble
About the Sending Pebble PCB
Sending Pebble is an open source PCB design by CohenMurray, published on GitHub. It is a 4-layer board measuring 50 × 50 mm, with 60 components from 43 distinct parts.
Other key parts include the LoRa-E5, TPS63001, MAX-M10S, BMP390 and W25Q32JVSS. By type, the board carries 19 resistors, 16 capacitors, 7 ICs, 6 connectors, 4 diodes and 2 inductors.
Main components on the Sending Pebble
Sending Pebble bill of materials (BOM)
60 components, 43 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LoRa-E5 | LoRa-E5 | U1 |
| 1 | TPS63001 | Texas_DRC0010J_ThermalVias | U2 |
| 1 | MAX-M10S | ublox_MAX | U3 |
| 1 | BMP390 | 10LGA_2X2X0p75_BOS | U4 |
| 1 | W25Q32JVSS | SOIC-8_5.3x5.3mm_P1.27mm | U5 |
| 1 | CP2102N-Axx-xQFN24 | QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U6 |
| 1 | BQ24072RGT | VQFN-16-1EP_3x3mm_P0.5mm_EP1.6x1.6mm | U7 |
| 1 | IRLML0030 | SOT-23 | Q1 |
| 1 | USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_HCTL_HC-TYPE-C-16P-01A | J1 |
| 1 | Conn_01x02_Socket | JST_PH_S2B-PH-SM4-TB_1x02-1MP_P2.00mm_Horizontal | J2 |
| 1 | u.Fl | U.FL_Hirose_U.FL-R-SMT-1_Vertical | J3 |
| 1 | SMA | SMA_Amphenol_132289_EdgeMount | J4 |
| 1 | Conn_01x03_Socket | JST_XH_B3B-XH-AM_1x03_P2.50mm_Vertical | J5 |
| 1 | Conn_01x03_Socket | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | Boot | SW_SPST_PTS810 | BOOT0 |
| 1 | Battery_Cell | BatteryHolder_Seiko_MS621F | BT1 |
| 1 | Buzzer | MagneticBuzzer_PUI_SMT-1028-T-2-R | BZ1 |
| 1 | Conn_01x02_Socket | PinSocket_1x02_P2.54mm_Vertical | PWR0 |
| 1 | Reset | SW_SPST_PTS810 | RESET0 |
| 1 | MBR0530T1G | D_SOD-123 | D1 |
Show 23 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LED | LED_0603_1608Metric | D2 |
| 1 | WS2812B-2020 | LED_WS2812B-2020_PLCC4_2.0x2.0mm | D3 |
| 1 | SS14 | D_SMA | D4 |
| 1 | L | IND_LQH3NPN2R2MMEL | L1 |
| 1 | 27nH | C_0402_1005Metric | L2 |
| 1 | 1uF | C_0603_1608Metric | C1 |
| 1 | 4.7uF | C_0603_1608Metric | C2 |
| 1 | 10nF | C_0402_1005Metric | C3 |
| 1 | 47pF | C_0402_1005Metric | C4 |
| 4 | 10uF | C_0603_1608Metric | C5, C13, C14, C16 |
| 5 | 100nF | C_0603_1608Metric | C6, C7, C8, C9, C10 |
| 3 | 0.1uF | C_0603_1608Metric | C11, C12, C15 |
| 2 | 1k | R_0603_1608Metric | R1, R6 |
| 5 | 10k | R_0603_1608Metric | R2, R11, R12, R15, R18 |
| 1 | 2k | R_0603_1608Metric | R3 |
| 2 | 4.7k | R_0603_1608Metric | R4, R5 |
| 2 | 5.1k | R_0603_1608Metric | R7, R8 |
| 1 | 1.1k | R_0603_1608Metric | R9 |
| 1 | 1.27k | R_0603_1608Metric | R10 |
| 2 | 100 | R_0603_1608Metric | R13, R17 |
| 1 | 100k | R_0603_1608Metric | R14 |
| 1 | 36k | R_0603_1608Metric | R16 |
| 1 | 10 | C_0402_1005Metric | R19 |
Sending Pebble design files
The KiCad project lives in the CohenMurray/SRAD-Telemetry-PCB repository on GitHub; these links point at the commit this page was built from.
Sending Pebble: common questions
How big is the Sending Pebble PCB?
The Sending Pebble measures 50 × 50 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Sending Pebble?
60 components, from 43 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sending Pebble design files?
From the CohenMurray/SRAD-Telemetry-PCB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Sending Pebble design in my own project?
The repository has no license, so all rights stay with CohenMurray. Use it as a reference, and ask the author before reusing the design.
