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| − | ...Back to [[Projects:]]
| + | * <span style="color:red">NOTE!! This is a legacy page - this board is now called "trigBoard" Go to the [[TrigBoard]] page for the latest. If you need references to old revisions, please contact me [http://www.kdcircuits.com HERE]</span> |
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| − | [[File:Screen Shot 2017-06-04 at 1.38.08 PM.png|600px]]
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| − | The Pusher Board is an IoT project that does one thing - it pushes you a notification triggered by a digital input. Well, it's much more than that, but this is the inspiration. I wanted to design a WiFi board that essentially sleeps most of its life, but when that door switch, flood sensor, motion sensor, etc.. gets triggered, I just want a notification immediately on my phone. And that's about it... a perfect IoT device in the background doing its job.
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| − | = Version 1 =
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| − | Very first prototype board
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| − | * Mostly through hole components for easy testing and assembly
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| − | * ESP8266 based (ESP-12S module)
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| − | * Wake on regular timer interval - set for 1hr during my testing.
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| − | * Wake on Digital Input - Normally Closed type contact, so works nicely with door sensors.
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| − | * Tested sleep current <1uA that's years and years of battery life.
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| − | * Max Battery Voltage is ~4.2VDC, so designed to be used with standard Lithium Batteries.
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| − | * <span style="color:red">Note: this board does require re-work in order to exercise all of the functionality. Please watch assembly videos below for detailed information</span> | |
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| − | Here's a quick demo!
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| − | {{#evt:
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| − | service=youtube
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| − | |id=https://www.youtube.com/watch?v=uZfLxPxB040
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| − | }}
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| − | Installed on my door for testing:
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| − | [[File:PusherOnDoor.png|400px]]
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| − | == Schematic ==
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| − | [[File:PusherV1SCH.png|800px]] | |
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| − | == Purchase ==
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| − | given to [https://www.patreon.com/kdarrah Patrons]
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| − | == Parts ==
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| − | Parts list [http://www.kevindarrah.com/wp-content/uploads/2017/06/PusherV1.xlsx HERE]
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| − | == Assembly ==
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| − | Soldering the board together:
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| − | {{#evt:
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| − | |id=https://www.youtube.com/watch?v=By7cdjjjARA
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| − | The rework changes:
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| − | {{#evt:
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| − | service=youtube
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| − | |id=https://www.youtube.com/watch?v=FK6x7CBLZwU
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| − | }}
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| − | Battery Voltage Measurement Circuit Change:
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| − | {{#evt:
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| − | service=youtube
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| − | |id=https://www.youtube.com/watch?v=GjaDDxgOrZs
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| − | }}
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| − | == Tutorials ==
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| − | Programming and Testing the board:
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| − | |id=https://www.youtube.com/watch?v=4uPHQPIezF8
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| − | }}
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| − | That Sample Code [http://www.kevindarrah.com/download/arduino_code/pusherV1_Sample.ino HERE]
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| − | Pusher Board Sending Push Notifications with Pushbullet and hardware walkthrough
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| − | {{#evt:
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| − | service=youtube
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| − | |id=https://www.youtube.com/watch?v=-HtSMk6jyEo
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| − | |dimensions=560x315
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| − | }}
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| − | I'm using Pushbullet for the Notifications: https://www.pushbullet.com (~$40/yr for unlimited pushes - 500/mo for free version)
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| − | That's nice because you don't need to develop your own app or anything. Just set up an account with them and you're good to go. Go to settings, account, and API - generate your token and copy that whole thing into the code - should be something like o.xyz...
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| − | THE CODE [http://kevindarrah.com/download/arduino_code/pusher_PUSHBULLET.ino HERE]
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| − | Richard's Channel: https://www.youtube.com/channel/UCLgqthbPlZGr8DuHDKKr9EA
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| − | And where I found the Pushbullet API code: https://steve0hh.github.io/2016/12/04/how-to-send-push-notifications-using-esp8266.html
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| − | <span style="color:red">Update 7/28/17 I did have two instances where the board failed to go back to sleep after wake. I had to unplug the battery to resolve</span>
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| − | And if you're having problems getting the Arduino IDE setup, check out this video:
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| − | {{#evt:
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| − | |id=https://www.youtube.com/watch?v=dgw8tnPFGSY
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| − | The .json url [http://arduino.esp8266.com/stable/package_esp8266com_index.json HERE]
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| − | = Version 2 =
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| − | [[File:PusherV2gerb.png|600px]]
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| − | Changes to V2:
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| − | * Fixed up the issues from V1 - mostly the circuit to pulse-wake the board
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| − | * Added in support for Normally Open style contacts, so now with an on-board switch, the board can either be woken up from a contact closing or opening.
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| − | * JST connectors for battery and sensor input - can use [https://www.amazon.com/gp/product/B0167X4D9M/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1 these]
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| − | == Schematic ==
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| − | [[File:PusherV2sch.png|800px]]
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| − | == Parts ==
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| − | Parts list [http://www.kevindarrah.com/wp-content/uploads/2017/08/PusherV2.xlsx HERE]
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| − | == Assembly ==
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| − | Soldering the board is pretty much the same as V1.
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| − | The Q4 Rework Change:
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| − | {{#evt:
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| − | service=youtube
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| − | |id=https://youtu.be/MQ7WJsdvSTA
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| − | }}
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| − | = Version 3 =
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| − | [[File:PusherV3front.png|300px]] [[File:PusherV3back.png|278px]]
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| − | * Miniaturized version - all surface mount components
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| − | * Dimensions only 0.8" x 1.6 " (20.32mm x 40.64mm)
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| − | * Optimized circuit design from V2
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| − | * Battery Charging on board via MicroUSB connector
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| − | == Schematic ==
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| − | [[File:PusherV3schemo.png|800px]]
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| − | == Parts ==
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| − | Parts list [http://www.kevindarrah.com/wp-content/uploads/2017/09/PusherV3-BOM.xlsx HERE]
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| − | == Assembly ==
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| − | Since this board is all surface mount - a top paste stencil is recommended. [http://www.kevindarrah.com/wp-content/uploads/2017/09/PusherV3_1_SolderPaste_Top.GTP_.zip HERE] is the file to get this made.
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| − | I usually get my stainless stencils from [http://www.electrodragon.com/product/pcb-stencil-service-frameless/ Electrodragon], but you can go with [https://www.pcbway.com PCBway] or you could even get a plastic stencil from [https://www.pololu.com/product/446 Pololu]. I would only recommend a stainless stencil for this job though.
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| − | Before you take start the assembly, check [https://www.youtube.com/watch?v=qqoHTKhIBRo this video] out I made a while back
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| − | Tools I use:
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| − | Hot Air Station here: https://www.amazon.com/gp/product/B00ITMPQS2/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
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| − | Solder Paste: SMD291SNL10 (I keep mine refrigerated when not in use, then sit out for an hour or so before I need it)
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| − | https://www.digikey.com/product-detail/en/chip-quik-inc/SMD291SNL10/SMD291SNL10-ND/2057272
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| − | Get a decent [https://www.amazon.com/gp/product/B000LDG2HQ/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 Loupe]
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| − | Quality [https://www.amazon.com/gp/product/B00FZPEWI6/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 tweezers]
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| − | And some good [https://www.amazon.com/gp/product/B01GRJ92T2/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 Flux]
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| − | This board is so tiny and dense that I couldn't place the silk screen designators, so here's where all of the parts go:
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| − | [[File:PusherV3topASSY.png|400px]] [[File:PusherV3botASSY.png|400px]]
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