Difference between revisions of "PeakTech 3442"
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(start a PeakTech 3442 device page) |
(add TI reference to hardware list) |
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* '''HY3131''' DMM chipset | * '''HY3131''' DMM chipset | ||
* [https://www.ti.com/lit/ds/symlink/lm385b-1.2.pdf TI 385B-1.2] reference | |||
* TI '''MSP430''' MCU | * TI '''MSP430''' MCU | ||
* TI '''CC2541''' BLE communication | * TI '''CC2541''' BLE communication | ||
== Photos == | == Photos == | ||
Revision as of 15:30, 27 December 2019
 | |
| Status | planned |
|---|---|
| Counts | 50000 |
| Connectivity | BLE |
| Measurements | voltage, current, resistance, capacitance, diode, continuity, frequency, duty cycle, period, temperature |
| Features | autorange, true-rms, hold, min/max, peak, lowpass, relative, current loop, bargraph, backlight |
| Website | peaktech.de |
The PeakTech 3442 is a 50000 counts handheld digital multimeter with BLE connectivity. It is a rebranded CEM DT-987BT.
Hold the red MODE button to enable BLE communication.
Hardware
- HY3131 DMM chipset
- TI 385B-1.2 reference
- TI MSP430 MCU
- TI CC2541 BLE communication
Photos
Device, front
PCB, birds view
PCB, DMM chip
PCB, MCU and BLE
Protocol
TODO
- BLE notifications, RX only, serial-dmm style
- 19 byte DMM packets, yet to get determined how to parse
Resources
- TODO