Recore A6 - Revision history

Jon at 10:22, 24 January 2024

2024-01-24T10:22:48Z

2024-01-24T10:19:29Z

2023-04-17T22:44:51Z

‎Klipper Configuration

2023-04-09T10:46:19Z

‎Thermocouple

2023-01-21T16:48:13Z

‎BLtouch

2023-01-20T22:16:44Z

‎BLtouch

2023-01-12T15:16:09Z

‎PT1000

2022-10-02T20:22:16Z

‎MCU header

2022-09-15T22:10:13Z

‎USB connectors not discovered when powered by USB device

2022-09-15T22:10:01Z

‎Board can not handle 24 V input

@@ Line 21: / Line 21: @@
 ==Availability==
 Recore A6 can no longer be purchased from the Intelligent Agent web shop [https://www.iagent.no/product/recore/ https://www.iagent.no/product/recore/] - instead you will receive the newer [[Recore_A7]] or later batch as they become available.
 ==Schematics==

@@ Line 20: / Line 20: @@
 ==Availability==
-Recore A6 can be purchased from the Intelligent Agent web shop [https://www.iagent.no/product/recore/ https://www.iagent.no/product/recore/]
+Recore A6 can no longer be purchased from the Intelligent Agent web shop [https://www.iagent.no/product/recore/ https://www.iagent.no/product/recore/] - instead you will receive the newer [[Recore_A7]] or later batch as they become available.
 ==Schematics==
 Recore is "open schematic", it is available here: [https://github.com/intelligent-agent/Recore/tree/master/Schematics https://github.com/intelligent-agent/Recore/tree/master/Schematics]

@@ Line 549: / Line 549: @@
 There are no jumpers on Recore and no hard fuses. Everything is software configurable and resettable from software. This gives great power and flexibility without requiring physical access to the board once it has been installed. But with great power comes great responsibility. It is possible to break things if care is not taken during setup. There is one setting in particular that is worth mentioning: ES0 can have either +5V or +12V on the power pin. This is in order to allow a standard industrial inductive sensor to be used on that end stop. If a 5V only peripheral is connected, that could damage the connected peripheral.
-The default config file for Recore A6 can be found in the repository: [https://github.com/intelligent-agent/klipper/blob/master/config/generic-recore.cfg generic-recore.cfg]
+The default config file for Recore A6 can be found in the repository: [https://github.com/intelligent-agent/klipper/blob/master/config/generic-recore-a6.cfg generic-recore-a6.cfg]
 ===TMC2209===

← Older revision		Revision as of 10:46, 9 April 2023
Line 617:		Line 617:

	Make sure the pull-up is disabled and the op-amp gain is set to 100.		Make sure the pull-up is disabled and the op-amp gain is set to 100.
		+	<pre>
		+	[recore]
		+	...
		+	gain_t0: 100
		+	pullup_t0: 0
		+	offset_t0: 1
		+
		+	[Extruder]
		+	...
		+	sensor_type: Type K
		+	</pre>

	===PT100 with INA826===		===PT100 with INA826===

@@ Line 656: / Line 656: @@
 <div class="res-img">
 [[File:Creality BLtouch sensor wiring.png]]
 </div>

@@ Line 649: / Line 649: @@
 The board has been designed to work with a range of 3rd party sensors for automating the print.
 ==BLtouch==
 <div class="res-img">
-[[File:BLtouch sensor wiring.png]]
+[[File:Antclabs BLtouch sensor wiring.png]]
 </div>
 When connected per wiring diagram above, setting up BLtouch can be done by adding the following section to printer.cfg.
 <pre>

@@ Line 642: / Line 642: @@
 [Extruder]
 ...
-sensor_type: RECORE PT1000
+sensor_type: PT1000
-adc_voltage: 3.27
+pullup_resistor: 4750
 </pre>

@@ Line 377: / Line 377: @@
 |3
 |3.3V
+|0.7-3.3V
 |-
 |4

@@ Line 856: / Line 856: @@
 :It seems the reason for the issue is a combination of long wires with high inductance, too low capacitance on the input of the board and too little headroom on the step down converter. This can cause voltage spikes that makes the input voltage go above the rated input voltage during load changes. Adding a capacitor to the input "buffers" or "decouples" the long inductance wires and limits the voltage spikes.
-===USB connectors not discovered when powered by USB device===
+===USB connectors not discovered when powered by USB device (workaround)===
 :Some boards are not initialized right when powered by only the USB port. The reason for this is that the VBUS/over current input on the USB hub can get an ambiguous value from USB connector 2 and 3 (the two USB host connectors close to the ethernet connector).
 :A workaround is to apply power to the VIN (12-24V) connector first. If FEL-mode is necessary, that button must be pressed as power is applied from the VIN connector. After that the USB connector can be inserted.

@@ Line 847: / Line 847: @@
 :On Rev A6, during calibration it has been discovered that the offset on T1 is often varying around the predetermined set point of 0.33 V. It seems the cause of this is the batch of op-amps used, so it is a hardware issue. The good news is that it seems to be OK to use the values from the calibration document. The gain should be about the same (101).
-===Board can not handle 24 V input===
+===Board can not handle 24 V input (fixed)===
 [[File:Connector with capacitor.jpg|thumb|Connector with capacitor]]
 [[File:Board with capacitor.jpg|thumb|Board with capacitor]]