ESP32 and 2x2 x 2 relay case
thingiverse
Fusion360 drawing at https://bit.ly/3bvnp8o Size: bottom 146 (l) x 95 (w) mm x 40 (h) mm, with lid add 2 mm. Wall thickness 2 mm. Holes are open 1.6 mm (= 0.4 mm closed). For ESP32-Wroom NodeMCU version 4 and 2 x 2 module relays and LM596 (HW-411) regulator. Version 4 board is a few mm longer than old dev boards. Holes for MMJ 1.5 x 3 cable (10 mm) and GX12 2/3/4/5/6/7 Pin Male + Female 12mm L88-93 Circular Aviation Socket Plugs (for sensors and such). Threads for ISOM3x0.5 screws. Pilars are lifted 5 mm from the bottom. The ESP32 is lifted 7.8 mm from the bottom. Print cable clamps as needed or use 10 mm width standard cable clamps.
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