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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,44 +1,44 @@ | ||
| # Ignore list for Eagle, a PCB layout tool | ||
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| # Backup files | ||
| *.s#? | ||
| *.b#? | ||
| *.l#? | ||
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| # Eagle project file | ||
| # It contains a serial number and references to the file structure | ||
| # on your computer. | ||
| # comment the following line if you want to have your project file included. | ||
| eagle.epf | ||
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| # Autorouter files | ||
| *.pro | ||
| *.job | ||
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| # CAM files | ||
| *.$$$ | ||
| *.cmp | ||
| *.ly2 | ||
| *.l15 | ||
| *.sol | ||
| *.plc | ||
| *.stc | ||
| *.sts | ||
| *.crc | ||
| *.crs | ||
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| *.dri | ||
| *.drl | ||
| *.gpi | ||
| *.pls | ||
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| *.drd | ||
| *.drd.* | ||
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| *.info | ||
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| *.eps | ||
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| # file locks introduced since 7.x | ||
| *.lck | ||
|
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||
| # Ignore list for Eagle, a PCB layout tool | ||
|
|
||
| # Backup files | ||
| *.s#? | ||
| *.b#? | ||
| *.l#? | ||
|
|
||
| # Eagle project file | ||
| # It contains a serial number and references to the file structure | ||
| # on your computer. | ||
| # comment the following line if you want to have your project file included. | ||
| eagle.epf | ||
|
|
||
| # Autorouter files | ||
| *.pro | ||
| *.job | ||
|
|
||
| # CAM files | ||
| *.$$$ | ||
| *.cmp | ||
| *.ly2 | ||
| *.l15 | ||
| *.sol | ||
| *.plc | ||
| *.stc | ||
| *.sts | ||
| *.crc | ||
| *.crs | ||
|
|
||
| *.dri | ||
| *.drl | ||
| *.gpi | ||
| *.pls | ||
|
|
||
| *.drd | ||
| *.drd.* | ||
|
|
||
| *.info | ||
|
|
||
| *.eps | ||
|
|
||
| # file locks introduced since 7.x | ||
| *.lck | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,9 @@ | ||
| MIT License | ||
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| Copyright (c) 2016 Will Whang | ||
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| Permission is hereby granted, free of charge, to any person obtaining a copy of this hardware, software, and associated documentation files (the "Product"), to deal in the Product without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Product, and to permit persons to whom the Product is furnished to do so, subject to the following conditions: | ||
|
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| The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Product. | ||
|
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| THE PRODUCT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE PRODUCT OR THE USE OR OTHER DEALINGS IN THE PRODUCT. | ||
| MIT License | ||
| Copyright (c) 2016 Will Whang | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy of this hardware, software, and associated documentation files (the "Product"), to deal in the Product without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Product, and to permit persons to whom the Product is furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Product. | ||
| THE PRODUCT IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE PRODUCT OR THE USE OR OTHER DEALINGS IN THE PRODUCT. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,54 +1,54 @@ | ||
| # LoRa-concentrator | ||
|
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||
| A Real opensource LoRa Gateway using SX1301/SX1308 and SX1255/SX1257 | ||
| For RRI and RPI Zero | ||
|
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||
| **Version 3** | ||
| --- | ||
|  | ||
| Version 3 is designed for Raspberry Pi, same setup like Version 2, but I added LNA/PA and RF switch, and move to 4-layer board design | ||
| PA(RFPA0133) and RF switch(RFSW1012) is same as Microchip's LoRa gateway, but I changed LNA to SKY67150-396LF which have a much better Noise Figure(0.28dB). | ||
| Also note that I also used a wide bandwidth ceramic balun(800-1000Mhz) instead of discrete balun. | ||
|
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||
| 868Mhz and 915Mhz is mostly the same, just need to change four filter, both part number are in PCB files and BOM file. | ||
|
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||
| For power supply, 1.8V DC-DC step down has changed to TPS62061, but it is pin-to-pin replaceable with ETA3410. For 3.3V RF power, there is two option, | ||
| one is TPS7A470, which is a Ti's high-end LDO with 4 µVRMS noise, and 55dB PSRR, the other one is LP5912-3.3, which is cheaper but still gets 12 µVRMS noise and 75dB PSRR. | ||
|
|
||
| GPS module is still Max-7Q, which provide PPS to SX1301/8 and Raspberry Pi(GPIO05), | ||
| and provide NEMA through Raspberry Pi's UART port. There is a jumper for shuting down GPS module if you want to stack other board. | ||
|
|
||
| Lastly, it support PoE header on Raspberry Pi 3B+, so you can stack PoE hat on top of the board.(Just make it clear that the board doesn't have PoE on board, but just the pin header to support other PoE hat). | ||
|
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||
|
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||
| And is currently sold on Tindle! | ||
| https://www.tindie.com/products/will123321/sx1308-raspberry-pi-zero-lora-gateway-board/ | ||
| https://www.tindie.com/products/will123321/sx1308-raspberry-pi-lora-gateway-board/ | ||
|
|
||
| **Version 2** | ||
| --- | ||
| Version 2 is designed for Raspberry Pi and another board for Pi Zero | ||
|
|
||
|  | ||
| for Raspberry Pi, there is two SX125X, but for Pi Zero I strip down Radio_A for better layout. | ||
| Both of them have a Max-7Q GPS module, which provide PPS to SX1301 and Raspberry Pi(GPIO05), | ||
| and provide NEMA through Raspberry Pi's UART port. There's also a jumper for shuting down GPS module if you want to stack other board. | ||
|
|
||
| At the RF frontend, the main difference is that I didn't combine RX/TX using a RF switch, | ||
| and there is no on-board PA/LNA, but I did put a SAW filter. The reason not to is that I can use external LNA which is right under the antenna, there is a bias inductor right after RX port, which is connected to Raspberry Pi's 5V power rail. | ||
|
|
||
| The current RPI version is designed for SX1257, but it is easy to migrate to SX1255, just put SX1255 on SX1257 and change RF passive components according to SX1255 datasheet. | ||
|
|
||
| I've tested both SX1255 & SX1257, and also two SX1301 connected to Raspberry Pi at the same time (there is a jumper for CE0/CE1). | ||
|
|
||
| last but not least, I've launch some High Altitude Balloon and using it as my multi-channel receiver. Which reach about 100Km by BW 125Khz CR 4/5 SF 7 @ 432Mhz with 16dBm power + MAX2640 LNA. | ||
|
|
||
|
|
||
| **Version 1** | ||
| --- | ||
| note that I haven't get it working yet, stuck in PLL lock | ||
| but SPI test seems to be OK. | ||
|
|
||
|  | ||
|
|
||
|
|
||
| # LoRa-concentrator | ||
|
|
||
| A Real opensource LoRa Gateway using SX1301/SX1308 and SX1255/SX1257 | ||
| For RRI and RPI Zero | ||
|
|
||
| **Version 3** | ||
| --- | ||
|  | ||
| Version 3 is designed for Raspberry Pi, same setup like Version 2, but I added LNA/PA and RF switch, and move to 4-layer board design | ||
| PA(RFPA0133) and RF switch(RFSW1012) is same as Microchip's LoRa gateway, but I changed LNA to SKY67150-396LF which have a much better Noise Figure(0.28dB). | ||
| Also note that I also used a wide bandwidth ceramic balun(800-1000Mhz) instead of discrete balun. | ||
|
|
||
| 868Mhz and 915Mhz is mostly the same, just need to change four filter, both part number are in PCB files and BOM file. | ||
|
|
||
| For power supply, 1.8V DC-DC step down has changed to TPS62061, but it is pin-to-pin replaceable with ETA3410. For 3.3V RF power, there is two option, | ||
| one is TPS7A470, which is a Ti's high-end LDO with 4 µVRMS noise, and 55dB PSRR, the other one is LP5912-3.3, which is cheaper but still gets 12 µVRMS noise and 75dB PSRR. | ||
|
|
||
| GPS module is still Max-7Q, which provide PPS to SX1301/8 and Raspberry Pi(GPIO05), | ||
| and provide NEMA through Raspberry Pi's UART port. There is a jumper for shuting down GPS module if you want to stack other board. | ||
|
|
||
| Lastly, it support PoE header on Raspberry Pi 3B+, so you can stack PoE hat on top of the board.(Just make it clear that the board doesn't have PoE on board, but just the pin header to support other PoE hat). | ||
|
|
||
|
|
||
| And is currently sold on Tindle! | ||
| https://www.tindie.com/products/will123321/sx1308-raspberry-pi-zero-lora-gateway-board/ | ||
| https://www.tindie.com/products/will123321/sx1308-raspberry-pi-lora-gateway-board/ | ||
|
|
||
| **Version 2** | ||
| --- | ||
| Version 2 is designed for Raspberry Pi and another board for Pi Zero | ||
|
|
||
|  | ||
| for Raspberry Pi, there is two SX125X, but for Pi Zero I strip down Radio_A for better layout. | ||
| Both of them have a Max-7Q GPS module, which provide PPS to SX1301 and Raspberry Pi(GPIO05), | ||
| and provide NEMA through Raspberry Pi's UART port. There's also a jumper for shuting down GPS module if you want to stack other board. | ||
|
|
||
| At the RF frontend, the main difference is that I didn't combine RX/TX using a RF switch, | ||
| and there is no on-board PA/LNA, but I did put a SAW filter. The reason not to is that I can use external LNA which is right under the antenna, there is a bias inductor right after RX port, which is connected to Raspberry Pi's 5V power rail. | ||
|
|
||
| The current RPI version is designed for SX1257, but it is easy to migrate to SX1255, just put SX1255 on SX1257 and change RF passive components according to SX1255 datasheet. | ||
|
|
||
| I've tested both SX1255 & SX1257, and also two SX1301 connected to Raspberry Pi at the same time (there is a jumper for CE0/CE1). | ||
|
|
||
| last but not least, I've launch some High Altitude Balloon and using it as my multi-channel receiver. Which reach about 100Km by BW 125Khz CR 4/5 SF 7 @ 432Mhz with 16dBm power + MAX2640 LNA. | ||
|
|
||
|
|
||
| **Version 1** | ||
| --- | ||
| note that I haven't get it working yet, stuck in PLL lock | ||
| but SPI test seems to be OK. | ||
|
|
||
|  | ||
|
|
||
|
|
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