diff --git a/IDE_Board_Manager/package_sparkfun_index.json b/IDE_Board_Manager/package_sparkfun_index.json
index 26984b53..e7fc0a55 100644
--- a/IDE_Board_Manager/package_sparkfun_index.json
+++ b/IDE_Board_Manager/package_sparkfun_index.json
@@ -386,7 +386,7 @@
           "architecture": "avr",
           "version": "1.1.5",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.5.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.5.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.5.tar.bz2",
           "checksum": "SHA-256:41f9728983e0dbab597bb46ddf00b5bac6cfec7c8f3771ecd1612dae58bb0366",
           "size": "1162215",
@@ -432,7 +432,7 @@
           "architecture": "avr",
           "version": "1.1.6",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.6.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.6.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.6.tar.bz2",
           "checksum": "SHA-256:049FA0DF51602120EC1BDAC19F440FC0CC448C23BB277DD0D8DF855C52ACD483",
           "size": "1159276",
@@ -478,7 +478,7 @@
           "architecture": "avr",
           "version": "1.1.7",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.7.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.7.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.7.tar.bz2",
           "checksum": "SHA-256:16A9CA03A7869C424562795504B82FEED0FB6A7D4A63FC94280FBBA44132257C",
           "size": "1236343",
@@ -527,7 +527,7 @@
           "architecture": "avr",
           "version": "1.1.8",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.8.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.8.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.8.tar.bz2",
           "checksum": "SHA-256:23D479AF10DC97F4DB8EA8AD514FE92C4391EADD8D9DD5EF1D49A70EA05255C3",
           "size": "1238017",
@@ -576,7 +576,7 @@
           "architecture": "avr",
           "version": "1.1.9",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.9.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.9.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.9.tar.bz2",
           "checksum": "SHA-256:89480C355876966DB68504E4E4130719942320AECF0AD6AEF819299796B22202",
           "size": "1238253",
@@ -625,7 +625,7 @@
           "architecture": "avr",
           "version": "1.1.10",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.10.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.10.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.10.tar.bz2",
           "checksum": "SHA-256:ABC30EF048B0BE63B6E3BB02A1FD52F35E2FC4A1CAFD60D4E7C3F9FD776129C0",
           "size": "1237620",
@@ -674,7 +674,7 @@
           "architecture": "avr",
           "version": "1.1.11",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.11.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.11.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.11.tar.bz2",
           "checksum": "SHA-256:59CFDDF1C806B42DECFB52297F2BCF2CF0B31DFBF27ED413B7421B476369B1DD",
           "size": "1239209",
@@ -726,7 +726,7 @@
           "architecture": "avr",
           "version": "1.1.12",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.12.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.12.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.12.tar.bz2",
           "checksum": "SHA-256:034005EAC0255376E3108858238A17CF8654F31400DAC60BF0D756E332C3251D",
           "size": "1249477",
@@ -778,7 +778,7 @@
           "architecture": "avr",
           "version": "1.1.13",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfunboards.1.1.13.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfunboards.1.1.13.tar.bz2",
           "archiveFileName": "sparkfunboards.1.1.13.tar.bz2",
           "checksum": "SHA-256:D7AF391CAFC5E16830CAC7C13484EF62765DD7A36AABA5F25020CE3C39617115",
           "size": "1257480",
@@ -830,7 +830,7 @@
           "architecture": "esp32",
           "version": "1.0.0",
           "category": "Contributed",
-		  "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-esp32-1.0.0.tar.bz2",
+		  "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-esp32-1.0.0.tar.bz2",
           "archiveFileName": "sparkfun-esp32-1.0.0.tar.bz2",
           "checksum": "SHA-256:030ee494bdf5ae8870042704e99ba0e27313c42f90a284babeaaac9a2deeb6a1",
           "size": "33167738",
@@ -863,7 +863,7 @@
           "architecture": "esp32",
           "version": "1.0.1",
           "category": "Contributed",
-      "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-esp32-1.0.1.tar.bz2",
+      "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-esp32-1.0.1.tar.bz2",
           "archiveFileName": "sparkfun-esp32-1.0.1.tar.bz2",
           "checksum": "SHA-256:030ee494bdf5ae8870042704e99ba0e27313c42f90a284babeaaac9a2deeb6a1",
           "size": "33167738",
@@ -896,7 +896,7 @@
           "architecture": "samd",
           "version": "1.0.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.0.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.0.0.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.0.0.tar.bz2",
           "checksum": "SHA-256:12e0be6862a3a28b6515755dcad2842757caf4e5270326554f95059512ebaab5",
           "size": "268954",
@@ -918,7 +918,7 @@
           "architecture": "samd",
           "version": "1.1.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.1.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.1.0.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.1.0.tar.bz2",
           "checksum": "SHA-256:5d71cbf8ccf5781eef9809d7b3141041daf3ed1a1272f5278762ece5a0aecf44",
           "size": "279683",
@@ -940,7 +940,7 @@
           "architecture": "samd",
           "version": "1.2.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.2.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.2.0.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.2.0.tar.bz2",
           "checksum": "SHA-256:50e055f311e07ba4d154bf00aa10579648024bef680bb3eb267401c496f791e6",
           "size": "281932",
@@ -962,7 +962,7 @@
           "architecture": "samd",
           "version": "1.2.1",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.2.1.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.2.1.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.2.1.tar.bz2",
           "checksum": "SHA-256:63b90fb26a18a89b2f51556a08286117cdade38d6cb7a16eb1eccb7d1d92422a",
           "size": "280405",
@@ -984,7 +984,7 @@
           "architecture": "samd",
           "version": "1.2.2",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.2.2.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.2.2.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.2.2.tar.bz2",
           "checksum": "SHA-256:21bc1ab1a8fd6550dca3b4953deaa2066d49ffa2583cd8e8a1e36d0c0ab00d52",
           "size": "283240",
@@ -1006,7 +1006,7 @@
           "architecture": "samd",
           "version": "1.3.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.3.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.3.0.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.3.0.tar.bz2",
           "checksum": "SHA-256:87695137f303000099e7e6d3fae3e87d5882ed999e4c14403c65cf51a4d6a6be",
           "size": "195440",
@@ -1031,7 +1031,7 @@
           "architecture": "samd",
           "version": "1.3.2",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.3.2.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.3.2.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.3.2.tar.bz2",
           "checksum": "SHA-256:eb4274a3df4c6c4dbc1396600b1efc9cd9454e5be4880530ff87ba4fb3e6216a",
           "size": "206253",
@@ -1056,7 +1056,7 @@
           "architecture": "samd",
           "version": "1.4.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.4.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.4.0.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.4.0.tar.bz2",
           "checksum": "SHA-256:968918117E6EA9C7F3982F83E07B6459663AB844779855B5E175E19461C16691",
           "size": "289555",
@@ -1090,7 +1090,7 @@
           "architecture": "samd",
           "version": "1.5.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.5.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.5.0.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.5.0.tar.bz2",
           "checksum": "SHA-256:05C4FBC7CC924BED99B9A2618F57FAA1DDEA210AFFB7AFEE57639E6B9FEB445C",
           "size": "322443",
@@ -1119,7 +1119,7 @@
           "architecture": "samd",
           "version": "1.5.1",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.5.1.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.5.1.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.5.1.tar.bz2",
           "checksum": "SHA-256:774052679A88EA43F5CEA2BAD88398E7310D4B879B8745613648D9F09BCB26DA",
           "size": "323505",
@@ -1151,7 +1151,7 @@
           "architecture": "samd",
           "version": "1.5.2",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.5.2.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.5.2.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.5.2.tar.bz2",
           "checksum": "SHA-256:AB0F5486D0EFAE48E47716C7B01340F3E503D55CFD6872FFD3DBEB28E4095F2B",
           "size": "328665",
@@ -1183,7 +1183,7 @@
           "architecture": "samd",
           "version": "1.5.3",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.5.3.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.5.3.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.5.3.tar.bz2",
           "checksum": "SHA-256:EB3721D8C72D02F32DBC0D9F1F2730B4A5EA809D13F0C3D7606E789B9281B545",
           "size": "337917",
@@ -1215,7 +1215,7 @@
           "architecture": "samd",
           "version": "1.5.4",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.5.4.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.5.4.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.5.4.tar.bz2",
           "checksum": "SHA-256:3C92A1EEAF05F7166C21D7AB507FA7ADBFF23F5802A084A34133CB074BB812E0",
           "size": "453746",
@@ -1250,7 +1250,7 @@
           "architecture": "samd",
           "version": "1.6.1",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.6.1.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.6.1.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.6.1.tar.bz2",
           "checksum": "SHA-256:AF18934847988926A71BB1C998D4FB2C1A5B5336442FAE8576EE80944EB49456",
           "size": "1619817",
@@ -1313,7 +1313,7 @@
           "architecture": "samd",
           "version": "1.6.2",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.6.2.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.6.2.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.6.2.tar.bz2",
           "checksum": "SHA-256:C06952DC372B9C42B4B308C44449979AC6B4F8B87356C45061E3B1CBCC699B2D",
           "size": "1619901",
@@ -1376,7 +1376,7 @@
           "architecture": "samd",
           "version": "1.7.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.0.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.0.tar.bz2",
           "checksum": "SHA-256:543F0B2F4E10AA81E3961791E30986763C0E8C9841FF2725C3DDD4747E5D83AF",
           "size": "1696059",
@@ -1426,7 +1426,7 @@
           "architecture": "samd",
           "version": "1.7.1",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.1.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.1.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.1.tar.bz2",
           "checksum": "SHA-256:86E5F0C0D089E7384557E54191B4BE17A473FE0ACA31181606425BA3199402AC",
           "size": "1713629",
@@ -1476,7 +1476,7 @@
           "architecture": "samd",
           "version": "1.7.2",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.2.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.2.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.2.tar.bz2",
           "checksum": "SHA-256:8356F897430129912057E7D7AB8611D2739B8B79E7E0E47CD0A798255D19E960",
           "size": "1713505",
@@ -1526,7 +1526,7 @@
           "architecture": "samd",
           "version": "1.7.3",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.3.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.3.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.3.tar.bz2",
           "checksum": "SHA-256:2AD34AB24D42E2BE0AE2C6D09BF550E26A6BB2182C2CAFBD76CFE69E2FFE8325",
           "size": "1702560",
@@ -1576,7 +1576,7 @@
           "architecture": "samd",
           "version": "1.7.4",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.4.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.4.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.4.tar.bz2",
           "checksum": "SHA-256:3EA7A59316A8E59D7F552E9714C74DA9D16F9CFE420294BC5F0007B6512D8FD0",
           "size": "1695731",
@@ -1626,7 +1626,7 @@
           "architecture": "samd",
           "version": "1.7.5",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.5.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.5.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.5.tar.bz2",
           "checksum": "SHA-256:B7A7F787960D41B378197EE6FF83CD0324892170818902B28FD1B28B40C908FC",
           "size": "1696179",
@@ -1676,7 +1676,7 @@
           "architecture": "samd",
           "version": "1.7.6",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.6.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.6.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.6.tar.bz2",
           "checksum": "SHA-256:BEFF40BBD0832B6478A49FEBD1DC839C1F3635431788A6A482F67C6300AE798E",
           "size": "2840910",
@@ -1727,7 +1727,7 @@
           "architecture": "samd",
           "version": "1.7.7",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.7.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.7.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.7.tar.bz2",
           "checksum": "SHA-256:2B5DD4726EAF42BEFC44F23ADCE18C4D40EB376E795839A20E130F1D6C3F543B",
           "size": "2841070",
@@ -1778,7 +1778,7 @@
           "architecture": "samd",
           "version": "1.7.8",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.8.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.8.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.8.tar.bz2",
           "checksum": "SHA-256:312FC086189AE7D66C33E56EBB68DE51FAC86F13EE6476D4284278E043ED9971",
           "size": "2841028",
@@ -1829,7 +1829,7 @@
           "architecture": "samd",
           "version": "1.7.9",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.7.9.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.7.9.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.7.9.tar.bz2",
           "checksum": "SHA-256:56034D4E9A4DA4AFF1366E7931C4088CBBC2F469CB195D85E9FCFCED44A7730D",
           "size": "2840851",
@@ -1880,7 +1880,7 @@
           "architecture": "samd",
           "version": "1.8.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.8.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.8.0.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.8.0.tar.bz2",
           "checksum": "SHA-256:1E4EF7ACBE51E13669CCD48DFC4724A44FA28A962E7F3E4A37A0F7DB516C8703",
           "size": "2841419",
@@ -1931,7 +1931,7 @@
           "architecture": "samd",
           "version": "1.8.1",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.8.1.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.8.1.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.8.1.tar.bz2",
           "checksum": "SHA-256:F13CD49463FAD77A0B132030CDD59DA12C9D9B9C3255C6B124101108DE282B9F",
           "size": "2840753",
@@ -1982,7 +1982,7 @@
           "architecture": "samd",
           "version": "1.8.2",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.8.2.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.8.2.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.8.2.tar.bz2",
           "checksum": "SHA-256:D3EC50E06BF1A8F9A58CBEE5AFB9797180964F6BD794BE252FF71A6459731A59",
           "size": "2841065",
@@ -2033,7 +2033,7 @@
           "architecture": "samd",
           "version": "1.8.3",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-samd-1.8.3.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-samd-1.8.3.tar.bz2",
           "archiveFileName": "sparkfun-samd-1.8.3.tar.bz2",
           "checksum": "SHA-256:74393DAD50FCFDCCF36EC15FA1CC4354258E9050BDB1C1692E58F0C21F82C2D6",
           "size": "2840829",
@@ -2084,7 +2084,7 @@
           "architecture": "stm32",
           "version": "1.0.0",
           "category": "Contributed",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-stm32-1.0.0.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-stm32-1.0.0.tar.bz2",
           "archiveFileName": "sparkfun-stm32-1.0.0.tar.bz2",
           "checksum": "SHA-256:2ea9f35f66fbb73b26698319f202391b525d1cceb7a8fe2be454e89dc6e5b922",
           "size": "4982552",
@@ -2160,21 +2160,21 @@
           "systems": [
             {
               "host": "i686-mingw32",
-              "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/sparkfun/samd-tools/bossac/bossac-1.4.0-win.zip",
+              "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/sparkfun/samd-tools/bossac/bossac-1.4.0-win.zip",
               "archiveFileName": "bossac-1.4.0-win.zip",
               "checksum": "SHA-256:BCA6503F5DBB1F96693AFD0701A759ECFB3BE5B9FB3F9D901CA17853B224F4EB",
               "size": "314705"
             },
             {
               "host": "x86_64-pc-linux-gnu",
-              "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/sparkfun/samd-tools/bossac/bossac-1.4.0-linux64.tar.bz2",
+              "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/sparkfun/samd-tools/bossac/bossac-1.4.0-linux64.tar.bz2",
               "archiveFileName": "bossac-1.4.0-linux64.tar.bz2",
               "checksum": "SHA-256:BB8F398BF84C5F31880FE9A2C7AE0174592516CE4821B49744B426AA968ADA10",
               "size": "225696"
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             {
               "host": "x86_64-apple-darwin",
-              "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/sparkfun/samd-tools/bossac/bossac-1.4.0-osx.tar.bz2",
+              "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/sparkfun/samd-tools/bossac/bossac-1.4.0-osx.tar.bz2",
               "archiveFileName": "bossac-1.4.0-osx.tar.bz2",
               "checksum": "SHA-256:D0F225846D7BC80A74324D783CDB35C42A7F85EAD73CC016C0CC767B0AA5E81C",
               "size": "74461"
@@ -2312,7 +2312,7 @@
         {
           "category": "Contributed",
           "name": "SparkFun ESP8266 Boards",
-          "url": "https://github.com/sparkfun/Arduino_Boards/raw/master/IDE_Board_Manager/sparkfun-esp8266-2.1.2.tar.bz2",
+          "url": "https://github.com/sparkfun/Arduino_Boards/raw/main/IDE_Board_Manager/sparkfun-esp8266-2.1.2.tar.bz2",
           "checksum": "SHA-256:6A3722A50B09DCEF92818B5C0E5A6C752E84181F1ABFD0959DACC39D8E2F1C94",
           "help": {
             "online": "https://learn.sparkfun.com"