Case for Dual MMDVM with Raspberry Pi 4 and 18650 Li-Ion
Description
Update 15.04.2021 NEW: In hot conditions, everything get's a little warm. If you like you can use the USB Cover with holes for fan mounting. I use a fan from an RC Car, space between the holes is 24mm. I run this with 3.3V and the temperatur is around 48.2°C / 118.8°F. Case for MMDVM Mobile I made this case, because I like everything in one box. Installed is a Raspberry Pi 4 with a MMDVM Dualhat. You can run this Hotspot by 12V AC Adapter or with integrated Li-Ion Battery, It also works as a Powerbank. The cap's for SD Card slot and USB port's are removable. The vent cap is glued in. Material: 1x Raspberry Pi 4 1x MMDVM Dualhat (V1.3 MMDVM_HS_Dual_Hat Duplex Hotspot Board P25 DMR YSF NXDN For Raspberry pi) 1x UPS (With RTC & Coulometer) For Raspberry Pi SKU: EP-0118 https://wiki.52pi.com/index.php/UPS_(With_RTC_%26_Coulometer)_For_Raspberry_Pi_SKU:_EP-0118 1x Nextion NX4832T035 3.5 Inch 480x320 TFT https://nextion.tech/datasheets/nx4832t035/ 2x 18650 Battery, LG INR18650HG2 3000mAh 20A 4x M3x20 Standoff for mount the complete System in the Box 4x Countersunk Screw M3x10 for the Standoff 4x Screw for mount the top to the box You have to extend the antenna connectors 2x Delock SMA Jack 90° https://www.delock.de/produkte/G_65848/merkmale.html 2x Delock Adapter SMA plug https://www.delock.de/produkte/G_89990/merkmale.html 2x Antenna SMA for 430MHz Please note, i didn't make holes for the screws which hold the top with the TFT. After mounting everything, i drilled 2.5mm holes and just screw the M3 in. It works, after 2 hours, the temperature is around 61.3°C / 142.3°F, maybe you have to mount a fan when you work in hot areas. Use at your own risk.
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