kopia lustrzana https://github.com/bristol-seds/pico-tracker
9f06e0889d
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| .. | ||
| graphics | ||
| hf-breakout | ||
| internal | ||
| low-power-breakout | ||
| low-power-side | ||
| low-power-solar | ||
| main-aaa | ||
| main-solar | ||
| main-solar-hf | ||
| main-solar-simple | ||
| notes | ||
| partslist@5db845690c | ||
| prog-1.8 | ||
| prog-3.3 | ||
| solar-breakout | ||
| Makefile | ||
| README.md | ||
| fbri.lbr | ||
| pa_match.png | ||
README.md
Hardware Revisions
Most hardware that has been built has a version number
| Version | Description | Exists/Existed | Flights used on |
|---|---|---|---|
| v0.96.0 | Original AAA Battery. Flown with modifications to connect tcxo to mcu. | x | UBSEDS3-8?+UBSEDS12 |
| v0.981.0 | Solar Power SPV1040. Flown with modifications simplify power circuit. | x | UBSEDS9 |
| v0.981.1 | Minor fixes | ||
| v0.982.0 | AAA Battery. Never fully populated, used for lab testing. | x | |
| v0.982.1 | Minor fixes | ||
| v0.984.0 | First attempt at internal balloon board | ||
| v0.985.0 | Solar Power/Primary AAA Lithium | x | UBSEDS10-11 |
| v0.985.1 | Added DNP/0Ω between solar and MPPT set for use when only a battery is connected | ||
| v0.985.2 | BMP180 -> MS5607 Pressure / Temperature Sensor | ||
| v0.985.3 | Smaller holes for external thermistor | ||
| v0.986.0 | Low Power with side mounting GPS chip antenna | ||
| v0.986.1 | Low Power. Add 10k i2c pull ups | ||
| v0.986.1 | Low Power. Rearranged matching network | ||
| v0.986.3 | Low Power. Added L0'-C0' tank in paralell. Might work, should test | ||
| v0.986.4 | Low Power. Added LIS2D accelerometer. Optional | ||
| v0.986.5 | Low Power. Added TS3006 low power lf clock | ||
| v0.986.6 | Low Power. Added LDO for GPS, LF TCXO for GPS | ||
| v0.986.7 | Low Power. Changed low power lf clock, added vreg on breakout for optional power testing | ||
| v0.986.8 | Low Power. Changed memory pads, GPS LDO and specified SAMD20E18A-MN with more flash and higher grade packaging | x | |
| v0.986.9 | Low Power. 80x80mm Breakout | ||
| v0.987.0 | Low Power. Added 32kHz TCXO RC filters, replaced GPS LDO with MOSFET, remove IMU, vreg on b/out, update SE880 footprint, Watchdog, Radio, filter design | ||
| v0.987.1 | Low Power. Switch LF Clock to XOSC32K pin from GCLK_IO[0]. Allows feed to any GCLK. Bit-bang i2c instead | ||
| v0.987.2 | Low Power. Adjusted 100µF cap from 1210 to 1206 | x | |
| v0.987.3 | Low Power. Added pull-down on WDI |