From cfbeae2809355ad146988f2598071e818039bec1 Mon Sep 17 00:00:00 2001
From: grabowski <grabowski@b4l.co.th>
Date: Thu, 9 Jul 2026 11:11:52 +0700
Subject: [PATCH] Import measurement data from buildfor_life_web

Lamp SPD/TM-30/metrics for four EANs and solar charge controller
efficiency sweeps, moved out of the web repo so measurement data
lives in its own history.
---
 README.md                                     |  35 ++
 lamps/2897624480138/metrics.json              |  81 ++++
 lamps/2897624480138/spd.csv                   | 351 ++++++++++++++++++
 lamps/2897624480138/tm30.csv                  |  17 +
 lamps/8718696822708/metrics.json              |  83 +++++
 lamps/8718696822708/spd.csv                   | 351 ++++++++++++++++++
 lamps/8718696822708/tm30.csv                  |  17 +
 lamps/8850646092349/metrics.json              |  81 ++++
 lamps/8850646092349/spd.csv                   | 351 ++++++++++++++++++
 lamps/8850646092349/tm30.csv                  |  17 +
 lamps/8850646092905/metrics.json              |  81 ++++
 lamps/8850646092905/spd.csv                   | 351 ++++++++++++++++++
 lamps/8850646092905/tm30.csv                  |  17 +
 solar-charge-controllers/lvsolarbuck.csv      |  70 ++++
 .../sample-controller-a.csv                   |  61 +++
 .../sample-controller-b.csv                   |  46 +++
 16 files changed, 2010 insertions(+)
 create mode 100644 README.md
 create mode 100644 lamps/2897624480138/metrics.json
 create mode 100644 lamps/2897624480138/spd.csv
 create mode 100644 lamps/2897624480138/tm30.csv
 create mode 100644 lamps/8718696822708/metrics.json
 create mode 100644 lamps/8718696822708/spd.csv
 create mode 100644 lamps/8718696822708/tm30.csv
 create mode 100644 lamps/8850646092349/metrics.json
 create mode 100644 lamps/8850646092349/spd.csv
 create mode 100644 lamps/8850646092349/tm30.csv
 create mode 100644 lamps/8850646092905/metrics.json
 create mode 100644 lamps/8850646092905/spd.csv
 create mode 100644 lamps/8850646092905/tm30.csv
 create mode 100644 solar-charge-controllers/lvsolarbuck.csv
 create mode 100644 solar-charge-controllers/sample-controller-a.csv
 create mode 100644 solar-charge-controllers/sample-controller-b.csv

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..19dfd05
--- /dev/null
+++ b/README.md
@@ -0,0 +1,35 @@
+# comparison-data
+
+Raw measurement data behind [buildfor.life/comparisons](https://buildfor.life/comparisons).
+
+This repo is consumed by [buildfor_life_web](https://git.b4l.co.th/B4L/buildfor_life_web)
+as a git submodule at `apps/web/comparison-data`. At build time the site copies it to
+`/data/comparisons/`, where every file is both chart input and a raw download. Directory
+names are the keys the site's device pages reference in their `csv:` front matter, so
+renaming a directory here requires updating the matching page in the web repo.
+
+## Layout
+
+```
+lamps/<EAN>/spd.csv         SPD 380-1050 nm: wavelength_nm,value
+lamps/<EAN>/tm30.csv        ANSI/IES TM-30-18 per-hue-bin data (16 bins): Rcs, Rhs, Rf_h, ...
+lamps/<EAN>/metrics.json    Summary: TM-30 Rf/Rg, CRI Ra + R1-R15, CCT, flux, instrument metadata
+solar-charge-controllers/<device>.csv   Efficiency sweep: set/measured Vin, Iin, Pin, Vout,
+                                        Iout, Pout, eff_pct, heatsink and board temperature
+```
+
+Lamps are identified by their EAN barcode so results stay unambiguous across brands and
+packaging variants. EANs starting with 2 are retailer-internal barcodes that cannot be
+resolved publicly.
+
+## Provenance
+
+- Lamps: HPCS-6500 integrating sphere, 230 V / 50 Hz, five consecutive readings averaged
+  after stabilization. Instrument driver and TM-30 tooling:
+  [HPCS6500-py](https://git.b4l.co.th/B4L/HPCS6500-py). Procedure:
+  [lamp test procedure](https://buildfor.life/docs/tooling/lamp-test-procedure/).
+- Solar charge controllers: automated MPPT testbench sweeps. Procedure:
+  see the linked test procedure on the comparison page.
+
+Data is published as measured; files are never edited after the fact. Corrections happen
+by re-measuring and replacing the whole device directory in one commit.
diff --git a/lamps/2897624480138/metrics.json b/lamps/2897624480138/metrics.json
new file mode 100644
index 0000000..8c00ec7
--- /dev/null
+++ b/lamps/2897624480138/metrics.json
@@ -0,0 +1,81 @@
+{
+  "name": "2897624480138",
+  "manufacturer": "",
+  "model": "",
+  "notes": "",
+  "instrument": "HPCS6500",
+  "measured_at": "2026-07-08T12:13:08+07:00",
+  "instrument_date": "2026-07-08",
+  "instrument_time": "16:36:14",
+  "readings_averaged": 5,
+  "tm30": {
+    "Rf": 72.2,
+    "Rg": 120.0
+  },
+  "cri": {
+    "Ra": 68.80591735839843,
+    "R1": 64.10645294189453,
+    "R2": 78.93155670166016,
+    "R3": 92.2691162109375,
+    "R4": 64.41401062011718,
+    "R5": 63.101750183105466,
+    "R6": 70.51934204101562,
+    "R7": 77.0957748413086,
+    "R8": 40.009341430664065,
+    "R9": -42.20814056396485,
+    "R10": 51.68838806152344,
+    "R11": 57.14374771118164,
+    "R12": 42.11826858520508,
+    "R13": 66.47734985351562,
+    "R14": 95.44589385986328,
+    "R15": 56.54384307861328
+  },
+  "supply": {
+    "ac_voltage": 230.0,
+    "ac_frequency": 50.0,
+    "dc_voltage": 24.0,
+    "dc_current": 5.0,
+    "mode": "AC"
+  },
+  "photometric": {
+    "Phi_lm": 772.7445922851563,
+    "eta_lm_W": 71.4721435546875,
+    "CCT_K": 2961.14775390625,
+    "Duv": 0.002697077114135027,
+    "SDCM": 3.860413074493408,
+    "TLCI": 43.408103942871094
+  },
+  "chromaticity": {
+    "x": 0.44378921389579773,
+    "y": 0.41328102350234985,
+    "u": 0.2510193169116974,
+    "v": 0.35064456462860105,
+    "u_prime": 0.2510193169116974,
+    "v_prime": 0.5259668231010437,
+    "CIE_X": 1214.9166748046875,
+    "CIE_Y": 1131.3975830078125,
+    "CIE_Z": 391.28350830078125
+  },
+  "radiometric": {
+    "Phi_e_mW": 2119.57890625,
+    "Phi_euv_mW": 0.0,
+    "Phi_eb_mW": 256.8290252685547,
+    "Phi_ey_mW": 1044.1486328125,
+    "Phi_er_mW": 781.4964599609375,
+    "Phi_efr_mW": 30.839463424682616,
+    "Phi_eir_mW": 0.0,
+    "Phi_e_total": 2113.313720703125
+  },
+  "electrical": {
+    "Voltage_V": 230.15794067382814,
+    "Current_A": 0.0507642462849617,
+    "Power_W": 10.8063232421875,
+    "Freq_Hz": 50.02170181274414,
+    "PF": 0.9248830676078796
+  },
+  "sensor": {
+    "PeakSignal": 60104.0,
+    "DarkSignal": 2563.2,
+    "Compensate": 2840.0
+  }
+}
\ No newline at end of file
diff --git a/lamps/2897624480138/spd.csv b/lamps/2897624480138/spd.csv
new file mode 100644
index 0000000..39ff2e9
--- /dev/null
+++ b/lamps/2897624480138/spd.csv
@@ -0,0 +1,351 @@
+wavelength_nm,value
+380.00,0.17549
+381.92,0.265579
+383.84,0.365574
+385.76,0.474931
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diff --git a/lamps/2897624480138/tm30.csv b/lamps/2897624480138/tm30.csv
new file mode 100644
index 0000000..8409a2e
--- /dev/null
+++ b/lamps/2897624480138/tm30.csv
@@ -0,0 +1,17 @@
+bin,ref_a,ref_b,test_a,test_b,ref_a_norm,ref_b_norm,test_a_norm,test_b_norm,Rcs_pct,Rhs,Rf_h
+1,26.1196,5.28011,25.7461,5.35596,0.980173,0.198144,0.966159,0.20099,-1.31897,0.00552562,88.6314
+2,20.0035,13.3269,17.4619,15.989,0.832218,0.554449,0.726479,0.665198,-2.63897,0.15083,72.6276
+3,15.8092,23.3161,10.1466,29.9728,0.5612,0.827681,0.360188,1.06398,8.48031,0.298418,41.162
+4,3.15075,19.0146,-1.49609,25.2232,0.163472,0.986548,-0.0776224,1.30867,26.8899,0.299305,47.7983
+5,-2.44587,14.8796,-5.09023,19.4228,-0.162201,0.986758,-0.337564,1.28804,32.9707,0.113216,64.2046
+6,-10.9427,14.2246,-12.659,19.6861,-0.609734,0.792606,-0.705366,1.09692,30.6157,-0.0895527,61.3394
+7,-18.9145,12.0417,-20.5201,18.1199,-0.843557,0.53704,-0.91516,0.808116,21.0138,-0.18561,57.3799
+8,-17.6578,3.67407,-16.7766,7.68735,-0.979032,0.203708,-0.930178,0.426224,-0.450392,-0.227771,71.284
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+15,16.2789,-10.5654,17.7515,-12.6571,0.838817,-0.544414,0.914696,-0.652195,12.2971,-0.0474596,81.948
+16,18.3127,-3.2755,18.5819,-3.33487,0.984378,-0.176071,0.998847,-0.179262,1.48142,-0.000306949,91.6676
diff --git a/lamps/8718696822708/metrics.json b/lamps/8718696822708/metrics.json
new file mode 100644
index 0000000..d4934fc
--- /dev/null
+++ b/lamps/8718696822708/metrics.json
@@ -0,0 +1,83 @@
+{
+  "name": "8718696822708",
+  "manufacturer": "",
+  "model": "",
+  "notes": "",
+  "instrument": "HPCS6500",
+  "measured_at": "2026-07-08T12:01:34+07:00",
+  "instrument_date": "2026-07-08",
+  "instrument_time": "16:24:40",
+  "readings_averaged": 5,
+  "tm30": {
+    "Rf": 75.5,
+    "Rg": 110.1
+  },
+  "cri": {
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+}
\ No newline at end of file
diff --git a/lamps/8718696822708/spd.csv b/lamps/8718696822708/spd.csv
new file mode 100644
index 0000000..6cd5ef2
--- /dev/null
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diff --git a/lamps/8718696822708/tm30.csv b/lamps/8718696822708/tm30.csv
new file mode 100644
index 0000000..0e09c23
--- /dev/null
+++ b/lamps/8718696822708/tm30.csv
@@ -0,0 +1,17 @@
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diff --git a/lamps/8850646092349/metrics.json b/lamps/8850646092349/metrics.json
new file mode 100644
index 0000000..ac7dfa1
--- /dev/null
+++ b/lamps/8850646092349/metrics.json
@@ -0,0 +1,81 @@
+{
+  "name": "8850646092349",
+  "manufacturer": "",
+  "model": "",
+  "notes": "",
+  "instrument": "HPCS6500",
+  "measured_at": "2026-07-08T12:09:22+07:00",
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+    "DarkSignal": 2504.2,
+    "Compensate": 2840.0
+  }
+}
\ No newline at end of file
diff --git a/lamps/8850646092349/spd.csv b/lamps/8850646092349/spd.csv
new file mode 100644
index 0000000..b5a999c
--- /dev/null
+++ b/lamps/8850646092349/spd.csv
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diff --git a/lamps/8850646092349/tm30.csv b/lamps/8850646092349/tm30.csv
new file mode 100644
index 0000000..d9e25c9
--- /dev/null
+++ b/lamps/8850646092349/tm30.csv
@@ -0,0 +1,17 @@
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diff --git a/lamps/8850646092905/metrics.json b/lamps/8850646092905/metrics.json
new file mode 100644
index 0000000..2cf610c
--- /dev/null
+++ b/lamps/8850646092905/metrics.json
@@ -0,0 +1,81 @@
+{
+  "name": "8850646092905",
+  "manufacturer": "",
+  "model": "",
+  "notes": "",
+  "instrument": "HPCS6500",
+  "measured_at": "2026-07-08T12:11:17+07:00",
+  "instrument_date": "2026-07-08",
+  "instrument_time": "16:34:23",
+  "readings_averaged": 5,
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+  },
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+  },
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+    "Phi_efr_mW": 69.71334381103516,
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+    "Phi_e_total": 3540.336328125
+  },
+  "electrical": {
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+  },
+  "sensor": {
+    "PeakSignal": 52994.8,
+    "DarkSignal": 2531.6,
+    "Compensate": 2840.0
+  }
+}
\ No newline at end of file
diff --git a/lamps/8850646092905/spd.csv b/lamps/8850646092905/spd.csv
new file mode 100644
index 0000000..66e5f01
--- /dev/null
+++ b/lamps/8850646092905/spd.csv
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diff --git a/lamps/8850646092905/tm30.csv b/lamps/8850646092905/tm30.csv
new file mode 100644
index 0000000..ec656ad
--- /dev/null
+++ b/lamps/8850646092905/tm30.csv
@@ -0,0 +1,17 @@
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diff --git a/solar-charge-controllers/lvsolarbuck.csv b/solar-charge-controllers/lvsolarbuck.csv
new file mode 100644
index 0000000..2b8b1de
--- /dev/null
+++ b/solar-charge-controllers/lvsolarbuck.csv
@@ -0,0 +1,70 @@
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diff --git a/solar-charge-controllers/sample-controller-a.csv b/solar-charge-controllers/sample-controller-a.csv
new file mode 100644
index 0000000..d666884
--- /dev/null
+++ b/solar-charge-controllers/sample-controller-a.csv
@@ -0,0 +1,61 @@
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diff --git a/solar-charge-controllers/sample-controller-b.csv b/solar-charge-controllers/sample-controller-b.csv
new file mode 100644
index 0000000..837585b
--- /dev/null
+++ b/solar-charge-controllers/sample-controller-b.csv
@@ -0,0 +1,46 @@
+set_vin_V,set_iout_A,vin_V,iin_A,pin_W,vout_V,iout_A,pout_W,eff_pct,t_heatsink_C,t_board_C
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