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Databox

Databox

A low powered, self-contained data logger based on the 80C35 processor with 32k RAM and various packaging, expansion & programming options. Designed by Paul Spurgeon in the mid-1980's and marketed by Data Harvest. Protoype has two front panel connectors: one for analogue & digital inputs, the other for an RS423 serial PC interface. Rear connector for battery charging. Data logging intervals from 4 milli-seconds to 15 minutes are set via software. Power saved by putting the CPU to sleep between data logging wake-ups, programmed by the RTC.

Databox

Databox

Databox bottom PCB with CPU, EPROM, & RTC

Databox bottom PCB with CPU, EPROM, & RTC

Databox top PCB with 32k RAM & 8 channel ADC

Databox version 6 circuit diagram, 28 June 1986

Databox version 6 bottom PCB layout with CPU, EPROM, & RTC

Databox version 6 top PCB layout with 32k RAM & 8 channel ADC

Prototype Databox consists of 2 PCBs. Lower layer PCB contains 80C35 CPU, 2k EPROM, & RTC, top PCB 32k RAM & 8 channel 8 bit ADC converter.

Dormalog brochure from Data Harvest, page 1

Dormalog brochure from Data Harvest, page 2

Later versions of Databox were redesigned for Data Harvest, repackaged, and marketed as Dormalog, an environmental data logger with 64k RAM.

Databox specifications, page 109 (from Databox User Manual, 11/10/1987)

Databox specifications, page 110 (from Databox User Manual, 11/10/1987)

Databox specifications, page 111 (from Databox User Manual, 11/10/1987)

Databox specifications, page 112 (from Databox User Manual, 11/10/1987)

Databox specifications, page 113 (from Databox User Manual, 11/10/1987)

Databox specifications, page 114 (from Databox User Manual, 11/10/1987)

Databox hardware specification, from the user manual.