View source for PeakTech 3442

{{Infobox multimeter
| image           = [[File:Peaktech-3442-front.png|180px]]
| name            = PeakTech 3442
| status          = planned
| source_code_dir = 
| 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         = [https://www.peaktech.de/productdetail/kategorie/digital---handmultimeter/produkt/peaktech-3442.html 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 '''MSP430''' MCU
* TI '''CC2541''' BLE communication
* TODO Add more details

== Photos ==

<gallery>
File:peaktech-3442-front.png|<small>Device, front</small>
File:peaktech-3442-pcb-overview.png|<small>PCB, birds view</small>
File:peaktech-3442-pcb-dmm-chip.png|<small>PCB, DMM chip</small>
File:peaktech-3442-pcb-mcu-ble.png|<small>PCB, MCU and BLE</small>
</gallery>

== Protocol ==

TODO
* BLE notifications, RX only, serial-dmm style
* 19 byte DMM packets, yet to get determined how to parse

== Resources ==

* TODO

[[Category:Device]]
[[Category:Multimeter]]
[[Category:Planned]]