![]() ![]() ![]() 4 2N2222A331 (If you want motor control from a sketchy H-Bridge circuit)ĭ. 1 470Ohm Resistor (To fix the issue with NRF51 pulling too much current)Ĭ. Soldering Iron + Solder + Flux + Whatever that sticks two metals togetherī.A PC with Arduino on it + a phone with bluetooth and nRF Connect app on it.A cheapo ST-LINK V2 ($5) - For programming the NRF.The lock I mentioned above ($50 since I was desperate, you can get it for $25).Heres a BOM(Bill Of Materials) to do this. Using NRF52 dev boards and whatnot instead of the only NRF51 board I had.į. (if you don’t use Home Assistant or EspHome)Į. Direct Bluetooth to some other interface. Adding a door contact sensor, then your lock would only lock when the door is shut.ĭ. Replacing the sketchy H-Bridge I made out of 2N2222A331 with a L293D motor control.Ĭ. Replacing bluetooth with some dev zigbee/zwave boardī. Running the circuit on a separate 3V battery.Ī. Esp8266 D1Mini lock with a wire running to the lock. Esp8266 D1Mini lock which sucked so much battery power, I had to replace it every other day. ![]() ESP32 relaying Bluetooth communication back to Home Assistant.(Optional) Bluetooth chip lock controlling unlocking/locking.To have a Bluetooth chip reporting the lock’s lock/unlock state.I want Home Assistant to control the lock.These locks have exposed test pads and run on 4 AA batteries. Or simply named “Keypad Digital Deadbolt Doorlock” Zomoss ← I bought this basically, has a rectangle back (2) *Note that the most identical part is the right part. I purchased some generic non-IOT keypad locks to lock my home Here’s how to automate your deadbolt lock. I AM NOT RESPONSIBLE FOR ANYTHING YOU DO OR THAT HAPPENS TO YOU This first post of mine is dedicated to you lovely people about automating your doorlock :).īefore we continue, I want you to know thatĪ - you realize off the bat that this is a horrible ideaī - your house’s security can be compromised by some guy with a phoneĮ - the soldering part is hard and I’d admit that this can be artistic soldering at timesį - you could already buy $150 door locks that are more secure than this and have IOT I’ve been a lurker here since I installed home assistant for my own home a year ago and wanted to find some way to give back to the community. ![]()
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