2 layers38.1 × 54.1 mm
Controller handmade
Swij/Pinball-controller
IoT controller for pinball machines. Adding support for cash free payments and easier changing of machine settings.
24 parts
2 layers37.1 × 38.1 mm
Controller
Swij/Pinball-controllerIoT controller for pinball machines. Adding support for cash free payments and easier changing of machine settings.
- Size
- 37.1 × 38.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 34
- Pads
- 82
- Tracks, vias
- 198, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 27 Nov 2016
- Updated
- 30 Nov 2016
Overview
Controller is an open-source printed circuit board by Swij, from the Swij/Pinball-controller repository on GitHub. It is a 2-layer board of 37.1 × 38.1 mm with 25 parts on 34 nets, routed with 198 tracks and 0 vias.
It is built around the ESP-12E and LM1117-3.3. Its parts include 8 resistors, 6 transistors, 5 connectors, 2 capacitors and 2 ICs. It belongs with the ESP8266 boards of this library.
Main components
2
ESP-12E
SMD,24x16mm-20℃~+70℃ -90dBm 16dBm 170mA 2.4GHz 3V~3.6V 56mA 802.11b/g/n ESP8266 Chip On-board PCB Antenna Over-the-air (OTA) update UART、SPI、I2C SMD,24x16mm WiFi Modules ROHSAi-ThinkerWiFi Modules
LM1117-3.3
SOT-2231 1.3V@(1000mA) 15V 1A 2mA 3.3V Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHShongjiachengUncategorised
README
README.mdPinball-controller
Repository structure
- controller-PCB - The kicad PCB design for the controller board.
- src - LUA source code to be run with NodeMcu on the ESP8266.
Todo
PCB-design
- Calculate more precise values for transistor resistors.
- New design for Stern pinball machines.
- Find better solution for I/O shortage on ESP12-E.
- Minified design for factory manufacturing.
Firmware
- Make decision on which OS to use on ESP8266. NodeMcu, FreeRTOS, IoTcore etc.
- Communication method/protocol with server.
- Menu traversing method.
Master server
- Decide on which language to use. NodeJS, Python, PHP etc.
- Master server locally on for example Raspberry PI or on the internet with a VPS.
Payment solution
- Evaluate Swish API.
- Look at other payment solutions such as Strip, Paypal, Braintree etc.
- Decide if we should have an account balance system or only direct payments.
Ideas
- RFID/NFC reader mounted at the coin machine. Swipe card/tag/phone to pay from balance.
Kicad dependencies
To view the design in Kicad you need kicad-ESP8266 and Walters kicad libraries
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 1kΩ | Resistors_SMD:R_0805 | R1, R2, R3, R4, R5, R6 |
| 6 | NPN_BEC | TO_SOT_Packages_SMD:SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6 |
| 2 | 10kΩ | Resistors_SMD:R_0805 | R7, R8 |
| 2 | 10uF | Capacitors_SMD:C_0805_HandSoldering | C1, C2 |
| 1 | w_switch:smd_push | SW2 | |
| 1 | 12V | w_pin_strip:pin_strip_1 | J5 |
| 1 | DOOR-IO | w_pin_strip:pin_strip_2 | J3 |
| 1 | DOOR-SW | w_pin_strip:pin_strip_2 | J4 |
| 1 | ESP-12E | ESP8266:ESP-12E | U2 |
| 1 | FLASH | Buttons_Switches_ThroughHole:SW_Micro_SPST | SW1 |
| 1 | LM1117-3.3 | TO_SOT_Packages_SMD:SOT-223 | U1 |
| 1 | Pinball I/O | w_pin_strip:pin_strip_6 | J1 |
| 1 | UART | w_pin_strip:pin_strip_2 | J2 |
Questions
How big is the Controller PCB?
It measures 37.1 × 38.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Controller use?
25 parts, built around the ESP-12E and LM1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Controller KiCad files?
From the Swij/Pinball-controller repository on GitHub, at the commit this page was made from: the board is controller-PCB/controller.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Controller design in my own project?
Its repository states no licence, so its author keeps all rights: ask Swij before reusing the design.
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