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STD Low power GSM/GPRS module
License: CC-BY-SA 3.0
Mode: Editors' pick
- 1
Update time：
2021-12-04 12:33:32
Creation time：
2020-10-05 19:40:23
Description
A board in the raspberry pi zero format to provide a low power usage cellular device for the raspberry pi.
It is intended to be used together with the MuonPi HAT.
A u-blox SARA-G450 - a Quad Band GSM/GPRS module - is used to provide the connectivity features.
In order to stay compatible with the MuonPi HAT, the UART is not used directly, but translated to a USB port instead.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | LT1764AEQ#PBF | U8 | DD-PAK-5_L10.6-W10.3-P1.70-LS14.5-BR | 1 |
| 2 | PL2303SA | U3 | SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL | 1 |
| 3 | 220 | L1 | L0805 | 1 |
| 4 | LED-0603_R | NET | LED0603_RED | 1 |
| 5 | FIDUCIALS | U4,U5,U6,U7 | FIDUCIAL 1MM | 4 |
| 6 | micro USBFemale | USB1 | MICRO-USB-SMD_5P-P0.65-H-F_C10418 | 1 |
| 7 | HDR-M-2.54_1x1 | T2,T1,T3,T4 | HDR-M-2.54_1X1 | 4 |
| 8 | 2N7002 | Q1,Q2 | SOT-23_L2.9-W1.3-P0.95-LS2.4-BR | 2 |
| 9 | UBLOX_SARA-G450 | U1 | UBLOX_SARA | 1 |
| 10 | SMO-1512 | CARD1 | SIM-SMD_SMO-1512 | 1 |
| 11 | 0.1u | C1,C2,C3 | C0805 | 3 |
| 12 | 100n | C4,C8,C16 | C0805 | 3 |
| 13 | 10u | C5,C6 | C0805 | 2 |
| 14 | 33u | C7 | C0805 | 1 |
| 15 | 10n | C9 | C0805 | 1 |
| 16 | 15p | C10 | C0805 | 1 |
| 17 | 56p | C11 | C0805 | 1 |
| 18 | 47p | C12,C13,C14,C15 | C0805 | 4 |
| 19 | 2.54mm 2*20P | H1 | HDR-TH_40P-P2.54-V-M-R2-C20-S2.54 | 1 |
| 20 | BWSMA-KE-P001 | ANT | SMA-SMD_BWSMA-KE-P001 | 1 |
| 21 | 51 | R6 | R0805 | 1 |
| 22 | 27k | R4 | R0805 | 1 |
| 23 | 4.7k | R5 | R0805 | 1 |
| 24 | 27 | R1,R2 | R0805 | 2 |
| 25 | 1.5k | R3 | R0805 | 1 |
| 26 | 680 | R7 | R0805 | 1 |
| 27 | 10k | R12,R13 | R0805 | 2 |
| 28 | 0 | JMP1,JMP2 | R0201 | 2 |
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