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docs: update boards/official/TurbineBear

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Administrator 2021-08-25 05:42:21 +00:00 committed by Josh Stewart
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boards/official/TurbineBear.md
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title: Turbine Bear
description:
published: true
date: 2021-08-25T04:16:09.931Z
date: 2021-08-25T05:42:10.592Z
tags:
editor: markdown
dateCreated: 2021-08-25T01:57:06.706Z
---
# Dropbear ECU
The Dropbear is an 8 fuel + 8 ignition ECU that is currently in testing prior to a full production release. It is powered by the high speed Teensy 3.5 board and is designed to be a complete unit out of the box.
# Turbine Controller
Blah blah
## Features
- 8x high impedance injector drivers
- 8x 5v/12v coil pre-drivers (For use with igniters/smart coils)
- 6x medium current (2A) outputs
- 7x analog inputs
- 4x digital inputs
- CAN transceiver
- Onboard VR conditioner
- Swappable internal MAP sensors
- Onboard baro sensor
- Optional stepper motor driver
Blah
## Board Configuration
The Dropbear board contains 4 switches and 1 DIP switch pair that can be used to change the setup of the ECU.
@ -54,24 +45,10 @@ Recommended values for the filters are shown below (By default both switches wil
{.is-warning}
### MAP Selector
The Dropbear board uses a removable MAP card containing the sensor and a short hose running to the bulkhead connector on the enclosure. Currently only the default 0-250kpa sensor board is available, with higher range boards to be made available in the future. To use this MAP card, select the `Int.` (Internal) option on the MAP switch.
If you wish to use an external MAP sensor located in the engine bay, this switch should be to to `Ext.` and the sensors signal line should be connected to pin `C8` on the Black connector. The MAP card can be left in place or removed when the `Ext.` option is used.
### Stepper Driver
By default the Dropbear unit is designed for use with PWM idle valves, however an optional stepper motor driver can be fitted.
> Please note that using the stepper driver requires pins C3 through C6 on the grey connector. Other output functions cannot use these pins when a stepper driver is installed
{.is-warning}
The board has a socket to install a standard DRV8825 stepper motor driver if required. It should be installed in the following orientation if needed:
![drv8825_dropbear_fitment.jpg](/img/idle/drv8825_dropbear_fitment.jpg){.align-center width=400}
## Pin out
The Dropbear ECU uses 2x 24 pin Delphi Sicma connectors. The connectors are keyed and will only connect to the matching colour loom plug.
The ECU uses 2x 24 pin Delphi Sicma connectors. The connectors are keyed and will only connect to the matching colour loom plug.
### Black Connector
![Delphi SICMA Black Connector](/img/boards/Connector_black.png){.align-center width=400}