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BackPanasonic CR-2477/VCN battery, https://industrial.panasonic.com/cdbs/www-data/pdf2/AAA4000/AAA4000D502.PDF battery CR-2477 coin cell retainer Keystone type 1057 coin cell retainer CR2032 BR2032 BatteryHolder Battery AA battery holder Keystone SMT (Auto-In/Ultra-Low) Holder for 2032 Cell, 33.2 x 23.9mm, 2mm height above PCB, https://www.keyelco.com/userAssets/file/M65p4.pdf Keystone type 2993 negative battery contact Keystone type 3009 coin cell holder CR2032 retainer clip, SMT ( http://www.farnell.com/datasheets/1505853.pdf BC-2001 CR2032 2032 Battery Holder (http://www.memoryprotectiondevices.com/datasheets/BK-18650-PC2-datasheet.pdf Keystone Battery Holder BH-331P Battery Type 3xAAA (Script generated with kicad-footprint-generator ipc_noLead_generator.py DFN8 2x2, 0.5P; No exposed pad TSSOP, 14 Pin Vertical EPCOS-B66359J1014T AUDIO TRAFO LUNDAHL, https://www.lundahltransformers.com/wp-content/uploads/datasheets/1538_8xl.pdf AUDIO TRAFO LUNDAHL, https://www.lundahltransformers.com/wp-content/uploads/datasheets/1538_8xl.pdf AUDIO TRAFO LUNDAHL, https://www.lundahltransformers.com/wp-content/uploads/datasheets/1587.pdf Transformer, Transformator, ETD29, 13 Pin, Horizontal, EPCOS-B66359A1013T, Transformer Transformator ETD29 13 Pin Horizontal Myrra-74040 NF-Transformer, 1:1, ETAL P1200,http://www.etalgroup.com/sites/default/files/products/P1200_April_2005.pdf NF-Transformer 1to1 ETAL P1200 NF-Transformer, ETAL P3356, http://www.etalgroup.com/sites/default/files/products/P3356_December_2005.pdf Transformer, Toroid, tapped, horizontal, laying, Diameter 10,5mm, Amidon T37, Transformer Toroid horizontal laying Diameter 9mm Amidon T30 Transformer, Toroid, horizontal, laying, 1 Tap, Diameter 9mm, Amidon, T30, Transformer Toroid horizontal laying Diameter 14mm Amidon T50 Transformer, horizontal core with bobbin, 14 pin, 2.49 mm pitch, 20 mm row spacing, 12.6x8.3x4.1mm Autotransformer, Toroid, horizontal, laying, 1 Tap, Diameter 9mm, Amidon.
- ESP32-D0WD Espressif ESP32-WROOM-32E 2.4 GHz Wi-Fi https://www.espressif.com/sites/default/files/documentation/esp32-s2-wroom_esp32-s2-wroom-i_datasheet_en.pdf.
- Width 3.9mm, pitch 7.5mm.