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projects:amateur_radio:meshtastic:device_enclosures:deenlai_fsh710

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projects:amateur_radio:meshtastic:device_enclosures:deenlai_fsh710 [2024/05/08 04:12] – removed - external edit (Unknown date) 127.0.0.1projects:amateur_radio:meshtastic:device_enclosures:deenlai_fsh710 [2024/06/01 15:33] (current) – ↷ Links adapted because of a move operation Andrew Yong
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 +====== Deenlai FSH710 ======
  
 +This enclosure is rather small, thus fewer Meshtastic boards are able to fit inside. So far, I have only tested the Heltec WiFi LoRa 32, which is one of the smaller boards available.
 +
 +  * Internal Dimensions: 46 mm × 34 mm × 25mm
 +
 +===== Purchase Link(s) =====
 +
 +  * [[https://item.taobao.com/item.htm?id=573777143173|德恩莱 (Deenlai) FSH710/2P-0 (Taobao)]]
 +
 +===== Heltec WiFi LoRa 32(V3) =====
 +
 +:!: Double check the polarity and voltage of all wiring, the Heltec board will be damaged above 6 V or by any reverse polarity supply.
 +
 +==== Tools Required ====
 +
 +  * Philips #1 or #2 screwdriver
 +  * Soldering tools
 +  * Flush cutters or a good scissors
 +
 +==== Extra Components Required ====
 +
 +
 +  * 1× U.FL to SMA pigtail
 +  * 1× [[https://www.thingiverse.com/thing:6596531|SMA Jack Adapter for Deenlai FSH710 IP66 Junction Box]] (3D print)
 +  * 1× [[https://www.thingiverse.com/thing:6608890|Heltec LoRa32 V3 Retaining Post for Deenlai FSH710 IP66 Junction Box]] (3D print)
 +  * 1× DC-DC buck converter, fixed voltage, e.g. [[https://detail.tmall.com/item.htm?id=695010587729|DC-DC降压电源模块 输入6.5~16V转5V 稳压模块足4A (Taobao)]]
 +    * 3.3 V fixed voltage preferred
 +    * 5 V fixed voltage if you need battery charging
 +  * ≈24 AWG wire
 +  * Double-sided foam/VHB mounting tape
 +
 +==== Assembly ====
 +
 +  - Remove nut and washers from U.FL to SMA pigtail
 +  - Insert U.FL to SMA pigtail into SMA Jack Adapter and install and tighten the nut and washer
 +  - Unscrew nut and remove one of the cable glands from the FSH710 Junction Box
 +  - Re-using the gland nut and rubber O-ring, install the SMA Jack Adapter into the FSH710 Junction box
 +  - Route the external power wire into the remaining cable gland, optionally tying a knot to prevent pull-out through the gland
 +  - Solder the exterma power wire to the input of the DC-DC converter
 +  - Power up the buck converter and double check the output voltage, then disconnect from power
 +  - Mount the Heltec board, then measure and cut the wire length required from the 3V3 or 5V pin to the DC-DC converter output
 +  - Solder the output of the DC-DC converter to the Heltec board (outside the enclosure, where access is easier) and trim all excess wire length behind the pads off
 +  - Connect U.FL to SMA pigtail to the Heltec board
 +  - Place mounting tape on the DC-DC converter
 +  - Mount the Heltec board and DC-DC converter into the enclosure
 +  - Power up and verify Meshtastic boots
 +  - Ensure all wiring is within the internal cavity of the junction box and will not get crushed by the case cover
 +  - Install the cover of the FSH710 Junction Box and tighten screws
 +
 +==== Pictures ====
 +
 +{{projects:amateur_radio:meshtastic:device_enclosures:photo_2024-05-05_17-44-57.jpg?400|}}{{projects:amateur_radio:meshtastic:device_enclosures:photo_2024-05-05_17-44-59.jpg?400|}}