Battery Powered Electronic Timer Hook

by Fabrion365 · Electronics

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This programmable hook is Iinspired by TEKZO haydrop.So you could use it to drop hay for your horse or release anything else at a specific time. BOM (affiliate links)CN101S 12V Timer (use S-Variant for 1s interval)Electronic Lock 12V3S Charger (choose one)slow chargerfast charger IP23683S BMS (choose one)BMS1 BMS2 3* 3x18650 mounts6* 6.3mm flat receptacles car fuse 5A12* M3 heat insertsM2,M3 and M4 screws Set1 and Set29x 18650 Cells (in 3S3P config)cablesNotesthe charging boards and BMS can get quite warm, so I limited the IP2368 to 30W, alternatively you could use a more heat resistant filament like ABS or ASAthe IP2368 is bidirectional, so you can also use it as a power bankthere are two BMS mounts, choose the one fitting your BMSthere are two