Victor 70C
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.
Resources
- RoastLogger: Input Devices (Victor Victor 86B/86C support)
- Dave Ansell Science Communication: Victor 86C multimeter USB encoding for linux (PHP)
- victor86b-usb-interface: USB interface for Victor 86B Digital Multimeter using HIDAPI
- Sparkfun: Victor 70C (manual, software)
- Github: victor70c (HIDAPI)
- Random review / photos