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base: FaSTTUBe:37d0ce260352fbeb573144f19b562f79ce5b80c0
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FaSTTUBe:main FaSTTUBe:uc
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compare: FaSTTUBe:uc
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FaSTTUBe:uc FaSTTUBe:main

12 Commits
37d0ce2603 ... uc

Author SHA1 Message Date
Oskar
9befa69b83 Update Layout with new pot bias circuit and boot0 pull-down 2025-11-12 19:39:56 +01:00
Oskar
4a57ae6f83 Fix potentiometer circuit and add pull-down for BOOT0 functionality 2025-11-12 01:03:31 +01:00
Oskar
d31e94e74f Add programming header 2025-11-10 21:48:32 +01:00
Oskar
d4f2585471 New schematic and layout incorporating STM32 2025-11-10 21:09:50 +01:00
Oskar
32f39788c0 Add clues to tell components apart 2025-01-14 15:24:36 +01:00
Oskar
701dd49239 Improve build instructions 2025-01-14 15:09:01 +01:00
Oskar
890a4a2b74 Add more errata for older versions 2025-01-08 21:56:07 +01:00
Oskar
4cedbc0ea1 Add instructions 2024-12-21 22:34:28 +01:00
Oskar
f13b3c7fcb Officer, those tracks weren't round! 2024-12-21 22:33:59 +01:00
Oskar
0d842800b0 Exclude all graphics and inter-PCB pads from BOM 2024-12-21 12:29:54 +01:00
Oskar
2b1bdbdd80 Resize halfstar 2024-12-21 11:35:14 +01:00
Oskar
5af5263b44 Fix Pull-Up 2024-12-21 11:33:38 +01:00
12 changed files with 40177 additions and 24556 deletions
Expand all files Collapse all files

30442
FaSTGLETree/FaSTGLETree_A.kicad_pcb
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93
FaSTGLETree/FaSTGLETree_A.kicad_pro
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@ -37,9 +37,9 @@
"other_text_thickness": 0.15,
"other_text_upright": false,
"pads": {
"drill": 0.762,
"height": 1.524,
"width": 1.524
"drill": 1.85,
"height": 3.5,
"width": 2.5
},
"silk_line_width": 0.15,
"silk_text_italic": false,
@ -59,7 +59,40 @@
"width": 0.0
}
],
"drc_exclusions": [],
"drc_exclusions": [
[
"copper_edge_clearance|108750000|76250000|8d7c1b22-9ba2-4cd9-8995-f200fd7d0333|ec873228-580e-433a-9432-fc96f8fb666f",
""
],
[
"copper_edge_clearance|108750000|82250000|8d7c1b22-9ba2-4cd9-8995-f200fd7d0333|61b73b19-c6cb-45a6-8c90-25d5cf1cbc0f",
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],
[
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],
[
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""
],
[
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]
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"meta": {
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},
@ -67,19 +100,22 @@
"annular_width": "error",
"clearance": "error",
"connection_width": "warning",
"copper_edge_clearance": "error",
"copper_edge_clearance": "warning",
"copper_sliver": "warning",
"courtyards_overlap": "error",
"creepage": "error",
"diff_pair_gap_out_of_range": "error",
"diff_pair_uncoupled_length_too_long": "error",
"drill_out_of_range": "error",
"duplicate_footprints": "warning",
"extra_footprint": "warning",
"footprint": "error",
"footprint_filters_mismatch": "ignore",
"footprint_symbol_mismatch": "warning",
"footprint_type_mismatch": "error",
"hole_clearance": "error",
"hole_near_hole": "error",
"hole_to_hole": "error",
"holes_co_located": "warning",
"invalid_outline": "error",
"isolated_copper": "warning",
@ -90,9 +126,11 @@
"lib_footprint_mismatch": "warning",
"malformed_courtyard": "error",
"microvia_drill_out_of_range": "error",
"mirrored_text_on_front_layer": "warning",
"missing_courtyard": "ignore",
"missing_footprint": "warning",
"net_conflict": "warning",
"nonmirrored_text_on_back_layer": "warning",
"npth_inside_courtyard": "ignore",
"padstack": "error",
"pth_inside_courtyard": "ignore",
@ -104,10 +142,13 @@
"solder_mask_bridge": "error",
"starved_thermal": "error",
"text_height": "warning",
"text_on_edge_cuts": "error",
"text_thickness": "warning",
"through_hole_pad_without_hole": "error",
"too_many_vias": "error",
"track_angle": "error",
"track_dangling": "warning",
"track_segment_length": "error",
"track_width": "error",
"tracks_crossing": "error",
"unconnected_items": "error",
@ -119,9 +160,10 @@
"allow_blind_buried_vias": false,
"allow_microvias": false,
"max_error": 0.005,
"min_clearance": 0.0,
"min_clearance": 0.2,
"min_connection": 0.0,
"min_copper_edge_clearance": 0.0,
"min_copper_edge_clearance": 0.2,
"min_groove_width": 0.0,
"min_hole_clearance": 0.25,
"min_hole_to_hole": 0.25,
"min_microvia_diameter": 0.2,
@ -141,16 +183,17 @@
},
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{
"td_onpadsmd": true,
"td_onpthpad": true,
"td_onroundshapesonly": false,
"td_onsmdpad": true,
"td_ontrackend": false,
"td_onviapad": true
"td_onvia": true
}
],
"teardrop_parameters": [
{
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"td_curve_segcount": 0,
"td_curve_segcount": 1,
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@ -161,7 +204,7 @@
},
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"td_curve_segcount": 0,
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@ -172,7 +215,7 @@
},
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@ -183,8 +226,7 @@
}
],
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0.0,
1.0
0.0
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"tuning_pattern_settings": {
"diff_pair_defaults": {
@ -228,6 +270,7 @@
"mfg": "",
"mpn": ""
},
"layer_pairs": [],
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@ -422,10 +465,15 @@
"duplicate_sheet_names": "error",
"endpoint_off_grid": "warning",
"extra_units": "error",
"footprint_filter": "ignore",
"footprint_link_issues": "warning",
"four_way_junction": "ignore",
"global_label_dangling": "warning",
"hier_label_mismatch": "error",
"label_dangling": "error",
"label_multiple_wires": "warning",
"lib_symbol_issues": "warning",
"lib_symbol_mismatch": "warning",
"missing_bidi_pin": "warning",
"missing_input_pin": "warning",
"missing_power_pin": "error",
@ -438,9 +486,15 @@
"pin_not_driven": "error",
"pin_to_pin": "warning",
"power_pin_not_driven": "error",
"same_local_global_label": "warning",
"similar_label_and_power": "warning",
"similar_labels": "warning",
"similar_power": "warning",
"simulation_model_issue": "ignore",
"single_global_label": "ignore",
"unannotated": "error",
"unconnected_wire_endpoint": "warning",
"undefined_netclass": "error",
"unit_value_mismatch": "error",
"unresolved_variable": "error",
"wire_dangling": "error"
@ -452,13 +506,13 @@
},
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"version": 1
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"diff_pair_via_gap": 0.25,
"diff_pair_width": 0.2,
@ -467,15 +521,16 @@
"microvia_drill": 0.1,
"name": "Default",
"pcb_color": "rgba(0, 0, 0, 0.000)",
"priority": 2147483647,
"schematic_color": "rgba(0, 0, 0, 0.000)",
"track_width": 0.25,
"track_width": 0.33,
"via_diameter": 0.8,
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@ -551,6 +606,7 @@
],
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"group_symbols": true,
"include_excluded_from_bom": false,
"name": "Grouped By Value",
"sort_asc": true,
"sort_field": "Reference"
@ -594,6 +650,7 @@
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"plot_directory": "",
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4900
FaSTGLETree/FaSTGLETree_A.kicad_sch
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23612
FaSTGLETree/FaSTGLETree_B.kicad_pcb
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41
FaSTGLETree/FaSTGLETree_B.kicad_pro
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@ -70,16 +70,19 @@
"copper_edge_clearance": "error",
"copper_sliver": "warning",
"courtyards_overlap": "error",
"creepage": "error",
"diff_pair_gap_out_of_range": "error",
"diff_pair_uncoupled_length_too_long": "error",
"drill_out_of_range": "error",
"duplicate_footprints": "warning",
"extra_footprint": "warning",
"footprint": "error",
"footprint_filters_mismatch": "ignore",
"footprint_symbol_mismatch": "warning",
"footprint_type_mismatch": "error",
"hole_clearance": "error",
"hole_near_hole": "error",
"hole_to_hole": "error",
"holes_co_located": "warning",
"invalid_outline": "error",
"isolated_copper": "warning",
@ -90,9 +93,11 @@
"lib_footprint_mismatch": "warning",
"malformed_courtyard": "error",
"microvia_drill_out_of_range": "error",
"mirrored_text_on_front_layer": "warning",
"missing_courtyard": "ignore",
"missing_footprint": "warning",
"net_conflict": "warning",
"nonmirrored_text_on_back_layer": "warning",
"npth_inside_courtyard": "ignore",
"padstack": "error",
"pth_inside_courtyard": "ignore",
@ -104,10 +109,13 @@
"solder_mask_bridge": "error",
"starved_thermal": "error",
"text_height": "warning",
"text_on_edge_cuts": "error",
"text_thickness": "warning",
"through_hole_pad_without_hole": "error",
"too_many_vias": "error",
"track_angle": "error",
"track_dangling": "warning",
"track_segment_length": "error",
"track_width": "error",
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@ -122,6 +130,7 @@
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"min_groove_width": 0.0,
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"min_microvia_diameter": 0.2,
@ -141,16 +150,17 @@
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@ -228,6 +238,7 @@
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@ -423,10 +434,15 @@
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@ -439,9 +455,15 @@
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@ -453,13 +475,13 @@
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@ -468,15 +490,16 @@
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4996
FaSTGLETree/FaSTGLETree_B.kicad_sch
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FaSTGLETree/footprints/FaSTGLETree.pretty/BatteryHolder_Keystone_3003_1x2032.kicad_mod
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@ -1,104 +1,502 @@
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45
README.md
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@ -19,6 +19,51 @@ Simple christmas tree from 2 PCBs with pseudo-random blinkenlights. Soldering wo
- 1 yellow THT LED always-on on top
- Transparently 3D-printable star cap
# Learn how to solder SMD:
[See Slides (in German)](docs/FaSTGLET-Part4-Lötworkshop.pdf)
# PCB Manufacturing
I usually order from JLC with the cheapest options, make sure to choose the manual placement of the order number (marker already included in Silkscreen)
# Build instructions
Assembly Guides: [Board A](https://fasttube.de/bestueckung/FaSTGLETree/A.html), [Board B](https://fasttube.de/bestueckung/FaSTGLETree/B.html)
- It's recommended to make sure each PCB is in the best state it can be in and has no short circuits before combining them. Afterwards, soldering becomes more difficult.
- For SMD parts, always solder a single pad/pin first before continuing to others
- Paz attention to the Pin-1-Marker! On ICs, it's usually a dot, circle or line. On the PCB, it's either an elongated line or a triangle.
- Pin 1 markings are the elongated silkscreen line and the dot/line on the IC
- LED directions are not marked. The LED arrow should always point to the tree trunk/inwards (Anode to tip of branch)
- The kit usually includes 3 or 4 different colors of LEDs. It's recommended to try and spread all colors across each visible surface.
- There's no pattern to whether the LED or Resistor is on top on the LED branches. Always check the assembly guide!
- J9 is usually not populated, it's left for external power
- The THT LED atop should have its leads shortened to ~7-10mm
- The THT LED atop is oriented using the flat side of its rim. The Flat side goes to the straight line, the round side to the rounded line
- Insert the coin cell with the + facing away from the tree's stem.
- Keep in mind the Errata section below
## How to tell the components in the kit apart
Since they're not labeled, you have to go off of a few clues:
- Generally, the number of parts is the best clue. You usually have the exact amount or one more.
- Capacitors (C) have a brown body with no letters. They come on white strips
- Resistors (R) have a white bottom and black top, with white digits/letters explaining their value. They come on white strips.
- `471` means `47` with `1` 0, so 470 ohms
- `01C` means 10Kohms with 1% tolerance, no idea why
- LEDs (D) have clear tops and come on black strips. The diode direction is indicated by the trangle on their bottom side.
- 0603 LEDs are very hard to solder. Don't fret if they don't work first-try
- The big ICs are labeled with a number similar to their model number
- The rest should be guessable from the part's footprint
# Errata
- [2022 version] There is a pull-up resistor missing for the button. A 10kOhm THT resistor can be soldered from the backside of the bin header to the battery holder.
- [2022 and 2023 version] Be careful to not scratch the pcb surfaces with the legs of the top LED in order not to create a short circuit
- [2024 version] There is a missing connection betreen R5 Pin 1 and +BATT. A bodge wire from R5 (outside) to the battery holder solder point is recommended. Otherwise, the push button functionality most likely does not work.
# Cost
~10€ BOM @ 30pcs

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