diff --git a/.gitignore b/.gitignore
index 9fe24cb..2c6e630 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-**/*-backups
\ No newline at end of file
+**/*-backups
+\#*\#
\ No newline at end of file
diff --git a/README.md b/README.md
index c8ada6f..e5a4e04 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,43 @@
+## Proyectos
+
+### Atari Punk Console
+
+- [Un modelo simple](https://samvssound.com/projects/synthesizers/atari-punk-console/)
+- [El mismo modelo con LFO](https://samvssound.com/tag/stepped-tone-generator/)
+- https://sdiy.info/wiki/Atari_Punk_Console
+
+### Altavoz
+
+- https://samvssound.com/projects/amplifiers/lm386-power-amplifier/
+
+### Velleman voice changer
+
+- https://diyaudiocircuits.com/velleman-mk171-voice-changer-circuit/
+
+## Referencias
+
+- [Synth DIY Wiki](https://sdiy.info/wiki/Main_Page)
+- [Music From Outer Space](http://musicfromouterspace.com/) Probablemente una de las más conocidas, es la página del autor del libro _Make: Analog Synthesizers_
+- [MFOS: Weird Sound Generator](http://musicfromouterspace.com/index.php?CATPARTNO=WSG001&PROJARG=WSG2010%2Fwsg_page1.html&MAINTAB=SYNTHDIY&SONGID=NONE&VPW=1910&VPH=807) El proyecto que recomiendan en MFOS para empezar.
+- [Especificaciones Eurorack](https://sdiy.info/wiki/Eurorack) (Esta wiki parece abandonada)
+- [Eurorack](https://intellijel.com/support/eurorack-101/) Bastante bien explicado
+
+
+### Para revisar
+
+-
+-
+-
+-
+-
+-
+-
+-
+-
+-
+
+
### References
@@ -7,4 +46,3 @@
- [Atari Punk Console Improved](https://samvssound.com/tag/stepped-tone-generator/)
- [Music from Outer Space](http://musicfromouterspace.com/index.php?MAINTAB=SYNTHDIY&PROJARG=YOURANALOGSYNTH/page2.php&VPW=1354&VPH=556)
- [Music From Outer Space: Projects](http://musicfromouterspace.com/index.php?MAINTAB=SYNTHDIY&PROJARG=ALIENSCREAMER%2FALIENSCREAMER.php&CATPARTNO=ALIENSCREAMERPCB)
-
diff --git a/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_pcb b/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_pcb
new file mode 100644
index 0000000..28b47a1
--- /dev/null
+++ b/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_pcb
@@ -0,0 +1,2 @@
+(kicad_pcb (version 20211014) (generator pcbnew)
+)
\ No newline at end of file
diff --git a/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_prl b/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_prl
new file mode 100644
index 0000000..80c7bdd
--- /dev/null
+++ b/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_prl
@@ -0,0 +1,74 @@
+{
+ "board": {
+ "active_layer": 0,
+ "active_layer_preset": "",
+ "auto_track_width": true,
+ "hidden_nets": [],
+ "high_contrast_mode": 0,
+ "net_color_mode": 1,
+ "opacity": {
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+ "tracks": 1.0,
+ "vias": 1.0,
+ "zones": 0.6
+ },
+ "ratsnest_display_mode": 0,
+ "selection_filter": {
+ "dimensions": true,
+ "footprints": true,
+ "graphics": true,
+ "keepouts": true,
+ "lockedItems": true,
+ "otherItems": true,
+ "pads": true,
+ "text": true,
+ "tracks": true,
+ "vias": true,
+ "zones": true
+ },
+ "visible_items": [
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+ 34,
+ 35,
+ 36
+ ],
+ "visible_layers": "fffffff_ffffffff",
+ "zone_display_mode": 0
+ },
+ "meta": {
+ "filename": "atari_punk_console.kicad_prl",
+ "version": 3
+ },
+ "project": {
+ "files": []
+ }
+}
diff --git a/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_pro b/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_pro
new file mode 100644
index 0000000..2d9db0c
--- /dev/null
+++ b/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_pro
@@ -0,0 +1,326 @@
+{
+ "board": {
+ "design_settings": {
+ "defaults": {
+ "board_outline_line_width": 0.1,
+ "copper_line_width": 0.2,
+ "copper_text_size_h": 1.5,
+ "copper_text_size_v": 1.5,
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+ "silk_text_thickness": 0.15
+ },
+ "diff_pair_dimensions": [],
+ "drc_exclusions": [],
+ "rules": {
+ "min_copper_edge_clearance": 0.0,
+ "solder_mask_clearance": 0.0,
+ "solder_mask_min_width": 0.0
+ },
+ "track_widths": [],
+ "via_dimensions": []
+ },
+ "layer_presets": []
+ },
+ "boards": [],
+ "cvpcb": {
+ "equivalence_files": []
+ },
+ "erc": {
+ "erc_exclusions": [],
+ "meta": {
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+ },
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+ ]
+ ],
+ "rule_severities": {
+ "bus_definition_conflict": "error",
+ "bus_entry_needed": "error",
+ "bus_label_syntax": "error",
+ "bus_to_bus_conflict": "error",
+ "bus_to_net_conflict": "error",
+ "different_unit_footprint": "error",
+ "different_unit_net": "error",
+ "duplicate_reference": "error",
+ "duplicate_sheet_names": "error",
+ "extra_units": "error",
+ "global_label_dangling": "warning",
+ "hier_label_mismatch": "error",
+ "label_dangling": "error",
+ "lib_symbol_issues": "warning",
+ "multiple_net_names": "warning",
+ "net_not_bus_member": "warning",
+ "no_connect_connected": "warning",
+ "no_connect_dangling": "warning",
+ "pin_not_connected": "error",
+ "pin_not_driven": "error",
+ "pin_to_pin": "warning",
+ "power_pin_not_driven": "error",
+ "similar_labels": "warning",
+ "unannotated": "error",
+ "unit_value_mismatch": "error",
+ "unresolved_variable": "error",
+ "wire_dangling": "error"
+ }
+ },
+ "libraries": {
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+ "meta": {
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+ "version": 1
+ },
+ "net_settings": {
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+ "via_diameter": 0.8,
+ "via_drill": 0.4,
+ "wire_width": 6.0
+ }
+ ],
+ "meta": {
+ "version": 2
+ },
+ "net_colors": null
+ },
+ "pcbnew": {
+ "last_paths": {
+ "gencad": "",
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+ },
+ "page_layout_descr_file": ""
+ },
+ "schematic": {
+ "annotate_start_num": 0,
+ "drawing": {
+ "default_line_thickness": 6.0,
+ "default_text_size": 50.0,
+ "field_names": [],
+ "intersheets_ref_own_page": false,
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+ "junction_size_choice": 3,
+ "label_size_ratio": 0.375,
+ "pin_symbol_size": 25.0,
+ "text_offset_ratio": 0.15
+ },
+ "legacy_lib_dir": "",
+ "legacy_lib_list": [],
+ "meta": {
+ "version": 1
+ },
+ "net_format_name": "",
+ "ngspice": {
+ "fix_include_paths": true,
+ "fix_passive_vals": false,
+ "meta": {
+ "version": 0
+ },
+ "model_mode": 0,
+ "workbook_filename": ""
+ },
+ "page_layout_descr_file": "",
+ "plot_directory": "",
+ "spice_adjust_passive_values": false,
+ "spice_external_command": "spice \"%I\"",
+ "subpart_first_id": 65,
+ "subpart_id_separator": 0
+ },
+ "sheets": [
+ [
+ "8b65f3fd-1fb2-41f1-94ba-b78bbaa624e1",
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+ ]
+ ],
+ "text_variables": {}
+}
diff --git a/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_sch b/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_sch
new file mode 100644
index 0000000..3efa950
--- /dev/null
+++ b/atari_punk_console/kicad/atari_punk_console/atari_punk_console.kicad_sch
@@ -0,0 +1,1266 @@
+(kicad_sch (version 20211123) (generator eeschema)
+
+ (uuid 8b65f3fd-1fb2-41f1-94ba-b78bbaa624e1)
+
+ (paper "A4")
+
+ (lib_symbols
+ (symbol "Device:Battery" (pin_numbers hide) (pin_names (offset 0) hide) (in_bom yes) (on_board yes)
+ (property "Reference" "BT" (id 0) (at 2.54 2.54 0)
+ (effects (font (size 1.27 1.27)) (justify left))
+ )
+ (property "Value" "Battery" (id 1) (at 2.54 0 0)
+ (effects (font (size 1.27 1.27)) (justify left))
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+ (effects (font (size 1.27 1.27)) hide)
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+ (effects (font (size 1.27 1.27)) hide)
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+ (effects (font (size 1.27 1.27)) hide)
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diff --git a/atari_punk_console/kicad/atari_punk_console/fp-info-cache b/atari_punk_console/kicad/atari_punk_console/fp-info-cache
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/atari_punk_console/kicad/atari_punk_console/fp-info-cache
@@ -0,0 +1 @@
+0