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Descrição
UPFRONT!
I created a Discord channel for my Thermal vision builds but will add a #meshtastic channel there as well in case you have questions or problems. Please remain to the meshtastic channel for all sort of questions as all the other channels are ONLY for my thermal builds!
[https://discord.gg/Ce9BJ2DK3j](https://discord.gg/Ce9BJ2DK3j)
More inside/ building pictures comming soon!!!
Using a new more compact PCB then the Faketec PCB, the Meshtastic Mini pushes the boundaries of an even smaller node but still using the same components the Faketec does, with only a few small changes, so you only really need to order the new PCB and you are off to even smaller nodes but still packing all the features.
The Bumblebee boosts a 1600mAh 18350 Lithium battery, Notification LED, Notification buzzer, vibration Motor, Navigation switch for canned messages, freetext messages and menu navigation ( 2.7.x upwards) , environmental Sensor ( Temp, Humidity, air pressure) and even a spot for a lanyard in a tiny and compact size.
Based on the the original Meshtastic Mini you can find here: [https://oshwhub.com/shenye894/meshtastic-mini](https://oshwhub.com/shenye894/meshtastic-mini)
WARNING! The original board has some flaws like the lettering on the second I2C SDA / SCL side swapped! so when you connect the oled display keep in mind that you need to connect SCL and SDA “wrong” to make the display work. Also wrong hole sizes (cant mount standard I2C display directly to the board as one ground hole is not wide enough for the header pins, also a missing charging boost pad short pad for 300mA charging. I already have a repaired and improved variant of the original variant that does not fit this specific build, but will future builds of mine including a third mosfet for a vibration motor ( using the gps mosfet on the current bumblebee build for the vibra motor) a spot on the pcb for a 3 way navigation switch and LED with resistor.
Part List:
Meshtastic Mini PCB attached in the files and ready to upload and order from JLCPCB and all the parts you would need for a FakeTec V4 Board you can find here:
[https://github.com/gargomoma/fakeTec_pcb](https://github.com/gargomoma/fakeTec_pcb)
Navigation switch for canned messages/menu navigation ( Meshtastic 2.7.x upwards), Free message keyboard input:
[https://de.aliexpress.com/item/33044807162.html](https://de.aliexpress.com/item/33044807162.html)
Buzzer:
Antenna:
SMD Resistor: 10K (the only different resistor type compared to the used resistors on the faketec board because of size restrictions)
SMD buttons: (in case the listing on the fakete board buttons have not been updated yet, the linked smd buttons are the ones that will fit this and also the faketec board:
Oled display: You need to order the NEW VERSION, which has a lot less PCB board it sits on! the others WONT FIT!
Wiring cable 0.3mm:
18350 Lithium ion battery 1600mAh:
BMS battery protetion:
[https://de.aliexpress.com/item/32674039738.html](https://de.aliexpress.com/item/32674039738.html)
Metal Band: 0.1mm 4mm: if you have a dedicated battery welding device to attach the band to a battery pole, otherwise you can simply solder it on which of course is not as “nice”
Vibration motor:
Diffused LED: Decide for the color you want to use and connect accordingly (R, G or B):
Environmental sensor (optional) BME-280 3.3volt :
