An AVO 8 Teardown
AVO meters — literally amp, volt, ohm meters — are not very common in North America but were staples in the UK. [TheHWcave] found an AVO 8 that is probably …read more Continue reading An AVO 8 Teardown
Category Archives: analog meter
Giant Analog CO2 Meter Sweeps Away Doubt
Most of us are aware that trees turn CO₂ into oxygen, but we’d venture to guess that many people’s knowledge of this gas ends there. Is it feast or famine out there for the trees? Who can say? We admire [rabbitcreek]’s commitment to citizen science because he’s so focused on …read more