Difference between revisions of "Victor 70C"
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14 bytes polled, likely based on the LCD segments. | 14 bytes polled, likely based on the LCD segments. | ||
== Resources == | |||
* [http://homepage.ntlworld.com/green_bean/coffee/roastlogger/dmmdetails.html RoastLogger: Input Devices] (Victor Victor 86B/86C support) | |||
* [http://www.daveansell.co.uk/?q=node/44 Dave Ansell Science Communication: Victor 86C multimeter USB encoding for linux] (PHP) | |||
* [https://code.google.com/p/victor86b-usb-interface/ victor86b-usb-interface: USB interface for Victor 86B Digital Multimeter using HIDAPI] | |||
Revision as of 00:50, 1 July 2012
The Victor 70C is a CAT II handheld digital multimeter with USB connectivity.
See Victor 70C/Info for more information about the USB connection.
Hardware
- Fortune Semiconductor FS9922-DMM4 multimeter chip
- NXP HEF4066BT quadruple bilateral switches
- Microchip TC7660E charge pump DC-to-DC voltage converter
- Texas Instruments 27L2C precision dual op-amp
- Unknown USB interface chip (HID)
Photos
Device, front
PCB, front
PCB, bottom
DMM/LCD chip
NXP HEF4066BT
Microchip TC7660E
TI 27L2C
Protocol
14 bytes polled, likely based on the LCD segments.