FEATURES:
Onboard 'slot, support a variety of power supply.
Lead all IO, work user function extension.
Onboard a CP2102, work was debugging by the user.
Onboard LED the and keys, compatible with the official allocation of resources, work for the user operation.
NRF51822 is an u..
Model: PZEM-004TA. Function 1. electrical parameter measurement function (voltage, current, active power). 2. The power button clear function. 3. Power-down data storage function (cumulative power down before saving). 4. PC PC display function (display voltage, current, active po..