Heltec LoRa32 V3 Meshtastic Case with Encoder/Buzzer/Vibro/GPS/Environment sensor/Belt clip/M5Stack CardKB Keyboard-ready

Differences of the remix compared to the original

This is a customized 3D model of an enclosure designed for the Heltec LoRa32 V3 board.
The original design was created by slabua, and this remix adds several important improvements:

• Enlarged GPS antenna slot to fit a larger GPS antenna.
• Relocated lid mounts to provide space for a pigtail connector without obstruction.
• Added cutout for a vibration motor, allowing optional haptic feedback integration.
• Integrated belt clip mount, making it easier to attach the device to your belt or strap.

Printing Recommendations:

• Use adaptive layer heights (up to 0.2mm max) for optimal surface quality and faster print times.
• Tree supports recommended for clean and easy support removal.

Components:

1. Heltec LoRa32 V3
2. NEO-6M GPS Module NEO6MV2
3. SMA Female to IPX UFL/IPX Extension Cable
4. GY-BME280 (3.3v)
5. 3.7V 974058 3000mAh Lipo Polymer Lithium Battery
6. EC11 rotary encoder
7. Mini Vibration Motor DC 3V
8. Active buzzer  3V
9. HY-4P (for M5Stack CardKB Keyboard)
10. Antenna (in my case 433MHz soft antenna)

Wiring:

Encoder A - Heltec 5
Encoder G - Heltec GND

Encoder B - Heltec 6
Encoder Sw1 - Heltec 7
Encoder Sw2 - Heltec GND

Buzzer (+) - Heltec 45
Buzzer (-) - Heltec GND

Vibro (+) - Heltec 40
Vibro (-) - Heltec GND

GPS VCC - Heltec 3V3
GPS RX - Heltec 48
GPS TX - Heltec 47
GPS GND - Heltec GND

BME280 VCC - Heltec 3V3
BME280 GND - Heltec GND
BME280 SCL - Heltec 42
BME280 SDA - Heltec 41

HY-4P Black - Heltec GND
HY-4P Red - Heltec 3V3
HY-4P Yellow - Heltec 41
HY-4P White - Heltec 42

It is possible to use a 2N2222 NPN Transistor to enable/disable the GPS module.In that case, the GPS connection needs to be modified as follows:

GPS VCC - Heltec 3V3
GPS RX - Heltec 48
GPS TX - Heltec 47
GPS GND - 2N2222 C
2N2222 B - Heltec 46
2N2222 E - Heltec GND

Assembly Hardware:

• 3 x M3x5mm screws for securing modules inside the case.
• 2 x 2x8mm self-tapping screws.
• 1 x M3x15mm screw for the belt clip.
• 1 x M3x8mm screw and 1 x M3x15mm screw for assembling the enclosure.
• 6 x M3x6mm heat-set inserts for reinforced threaded mounting points.