Heltec lora32 v3 case (18650, gps, rotary encoder)
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Bill of Materials
- rotary encoder x 1:
- ina219 i2c current/voltage sensor (optional) x 1:
- 868/433/915mhz antenna (depending on your region and model) x 1:
- sma connector (included with most heltec lora boards) x 1:
- 2x 18650 lion 3.6v batteries ( 1 would also work but wastes space) x 2:
- TP4056 Lithium Battery Charger Module (or any other same size, optional) x 1:
- neo6m gps module + antenna (optional) x 1:
- mini switch (optional, for battery cutoff) x 1:
- heltec lora32v3 / heltec lora32v3.1 x 1:
Description
case for heltec lora32 v3 / v3.1 (not tested for v2 or v4).
contains 2x 18650 lion batteries,
option to add a switch for power,
an external charger for 18650s to charge faster,
GPS module and antenna for positioning,
and a rotary encoder for canned messages module.
a sma connector that is included with the heltec lora32 v3 can screw into the top to attach an antenna.
i printed it with PETG but other materials should work fine,
it can be printed without supports, tho there are a few bridges the width of the board so if your printer has particularly bad cooling, consider using them.
for the rotary encoder, the knob is published here:
optionally you can glue pigtail antenna clips to the top to store it when using a bigger antenna
optionally you can add i2c current sensors like ina219 below the heltec, it fits but tightly.
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