pico-tracker/hardware/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? |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| |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|