INA219 DC Current Sensor Module, 26V 3.2A, I2C Interface, 2-Pack

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codepoet82 posted on r/meshcore2w

Sure, I can give a list of what I used. From Muzi.Works: Crowpanel Advance 3.5 17cm Muzi whip antenna ATGM3336H GPS *optional From Amazon: Meshnology 5000mAh battery IMPORTANT NOTE, the polarity is REVERSED for the crowpanel SMA to u.fl pigtail INA219 current sensor *optional 4 pin HY2.0 connectors and pigtails *optional You might also want: JST-PH 2.0 pigtails to wire on the INA219 to make it easier to plug and unplug the battery. I reused the end of the included battery charger and a battery connector I already had. When wiring the INA, I made its input plug match the "normal" meshnology battery polarity at the socket, and flipped it to match the crowpanel on the output plug. The INA219 is optional, but the crowpanel lacks hardware to monitor the battery charge otherwise, and the GPS is also relatively optional, as the crowpanel has an integrated realtime clock, which can be set in other ways and keeps time fine, and knowing your position isn't strictly required. If you skip these both, you can make the project work using only the panel, antenna and connector, and battery alone, just make sure to use a pin or knife tip to remove and swap the battery connector pins so they match the + and - marking on the panel itself.

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