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[Keyboard] Kobold r1 (#25161)
* Kobold r1 * Apply suggestions from code review Co-authored-by: jack <jack@pngu.org> * `board_init` => `early_hardware_init_post`. --------- Co-authored-by: jack <jack@pngu.org>
This commit is contained in:
Nick Brassel
GitHub
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29
keyboards/tzarc/kobold/config.h
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29
keyboards/tzarc/kobold/config.h
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// Copyright 2025 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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// Hardware-specific definitions
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#define RGB_ENABLE_PIN C11
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// WS2812 Configuration
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#define WS2812_PWM_DRIVER PWMD17
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#define WS2812_PWM_CHANNEL 1
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#define WS2812_PWM_PAL_MODE 10
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#define WS2812_PWM_DMA_STREAM STM32_DMA1_STREAM1
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#define WS2812_PWM_DMA_CHANNEL 1
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#define WS2812_PWM_DMAMUX_ID STM32_DMAMUX1_TIM17_UP
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// SPI Configuration
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#define SPI_DRIVER SPID1
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#define SPI_SCK_PIN A5
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#define SPI_SCK_PAL_MODE 5
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#define SPI_MOSI_PIN A7
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#define SPI_MOSI_PAL_MODE 5
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#define SPI_MISO_PIN A6
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#define SPI_MISO_PAL_MODE 5
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// External NOR Flash config
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#define EXTERNAL_FLASH_SPI_MODE 0
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#define EXTERNAL_FLASH_SPI_SLAVE_SELECT_PIN B10
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#define EXTERNAL_FLASH_SPI_CLOCK_DIVISOR 4 // (160MHz/4) => 40MHz
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#define EXTERNAL_FLASH_SIZE (16 * 1024 * 1024) // 128Mb/16MB capacity
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8
keyboards/tzarc/kobold/halconf.h
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keyboards/tzarc/kobold/halconf.h
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// Copyright 2025 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#define HAL_USE_PWM TRUE
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#define HAL_USE_SPI TRUE
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#include_next <halconf.h>
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82
keyboards/tzarc/kobold/info.json
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keyboards/tzarc/kobold/info.json
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{
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"manufacturer": "Tzarc",
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"keyboard_name": "Kobold",
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"url": "https://github.com/tzarc/keyboards/tree/main/Kobold",
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"maintainer": "tzarc",
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"bootloader": "stm32-dfu",
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"build": {
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"lto": true
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},
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"dynamic_keymap": {
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"layer_count": 32
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},
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"eeprom": {
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"driver": "wear_leveling",
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"wear_leveling": {
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"backing_size": 32768,
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"driver": "spi_flash"
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}
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},
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"features": {
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"bootmagic": true,
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"rgb_matrix": true
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},
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"matrix_pins": {
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"direct": [
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["B14", "C6", "B9", "B7", "B13", "B15", "C13", "C15", "B12", "B0", "A2", "A0", "B11", "A4", "A3", "A1"]
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]
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},
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"processor": "STM32G431",
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"rgb_matrix": {
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"driver": "ws2812",
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"layout": [
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{"x": 0, "y": 0, "flags": 2},
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{"x": 75, "y": 0, "flags": 2},
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{"x": 150, "y": 0, "flags": 2},
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{"x": 224, "y": 0, "flags": 2},
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{"x": 224, "y": 21, "flags": 2},
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{"x": 150, "y": 21, "flags": 2},
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{"x": 75, "y": 21, "flags": 2},
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{"x": 0, "y": 21, "flags": 2},
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{"x": 0, "y": 43, "flags": 2},
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{"x": 75, "y": 43, "flags": 2},
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{"x": 150, "y": 43, "flags": 2},
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{"x": 224, "y": 43, "flags": 2},
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{"x": 224, "y": 64, "flags": 2},
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{"x": 150, "y": 64, "flags": 2},
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{"x": 75, "y": 64, "flags": 2},
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{"x": 0, "y": 64, "flags": 2}
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]
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},
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"usb": {
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"pid": "0x4921",
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"vid": "0x1209"
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},
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"ws2812": {
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"driver": "pwm",
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"pin": "B5"
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},
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"community_layouts": ["ortho_4x4"],
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"layouts": {
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"LAYOUT_ortho_4x4": {
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"layout": [
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{"matrix": [0, 0], "x": 0, "y": 0},
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{"matrix": [0, 1], "x": 1, "y": 0},
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{"matrix": [0, 2], "x": 2, "y": 0},
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{"matrix": [0, 3], "x": 3, "y": 0},
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{"matrix": [0, 4], "x": 0, "y": 1},
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{"matrix": [0, 5], "x": 1, "y": 1},
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{"matrix": [0, 6], "x": 2, "y": 1},
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{"matrix": [0, 7], "x": 3, "y": 1},
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{"matrix": [0, 8], "x": 0, "y": 2},
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{"matrix": [0, 9], "x": 1, "y": 2},
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{"matrix": [0, 10], "x": 2, "y": 2},
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{"matrix": [0, 11], "x": 3, "y": 2},
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{"matrix": [0, 12], "x": 0, "y": 3},
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{"matrix": [0, 13], "x": 1, "y": 3},
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{"matrix": [0, 14], "x": 2, "y": 3},
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{"matrix": [0, 15], "x": 3, "y": 3}
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]
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}
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}
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}
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14
keyboards/tzarc/kobold/keymaps/default/keymap.c
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keyboards/tzarc/kobold/keymaps/default/keymap.c
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// Copyright 2025 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include QMK_KEYBOARD_H
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// clang-format off
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[0] = LAYOUT_ortho_4x4(
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KC_A, KC_B, KC_C, KC_D,
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KC_E, KC_F, KC_G, KC_H,
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KC_I, KC_J, KC_K, KC_L,
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KC_M, KC_N, KC_O, KC_P
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),
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};
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// clang-format on
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18
keyboards/tzarc/kobold/kobold.c
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keyboards/tzarc/kobold/kobold.c
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// Copyright 2025 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include QMK_KEYBOARD_H
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void early_hardware_init_post(void) {
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// Disable RGB LEDs
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gpio_set_pin_output(RGB_ENABLE_PIN);
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gpio_write_pin(RGB_ENABLE_PIN, 1);
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}
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void housekeeping_task_kb() {
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// Enable RGB LEDs after 200 milliseconds
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static bool rgb_enabled = false;
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if (!rgb_enabled && timer_read32() > 200) {
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gpio_write_pin(RGB_ENABLE_PIN, 0);
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rgb_enabled = true;
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}
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}
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12
keyboards/tzarc/kobold/mcuconf.h
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12
keyboards/tzarc/kobold/mcuconf.h
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// Copyright 2025 Nick Brassel (@tzarc)
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include_next <mcuconf.h>
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// Used for SK6812 chain
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#undef STM32_PWM_USE_TIM17
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#define STM32_PWM_USE_TIM17 TRUE
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// Used for NOR Flash
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#undef STM32_SPI_USE_SPI1
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#define STM32_SPI_USE_SPI1 TRUE
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5
keyboards/tzarc/kobold/r1/keyboard.json
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5
keyboards/tzarc/kobold/r1/keyboard.json
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{
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"usb": {
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"device_version": "1.0.0"
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}
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}
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29
keyboards/tzarc/kobold/readme.md
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keyboards/tzarc/kobold/readme.md
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# Kobold
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4x4 macropad running QMK, in the same form factor as a bm16s. Non-standard Choc key spacing.
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North-facing RGB, SPI NOR Flash, voltage and current measurement, direct pin matrix, reset to bootloader by holding top 4 keys.
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* Keyboard Maintainer: [tzarc](https://github.com/tzarc)
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* Hardware Supported: Kobold, r1
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* Hardware Availability: [KiCad files](https://github.com/tzarc/keyboards/tree/main/Kobold)
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Make example for this keyboard (after setting up your build environment):
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make tzarc/kobold/r1:default
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Flashing example for this keyboard:
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make tzarc/kobold/r1:default:flash
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See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
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## Bootloader
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Enter the bootloader in 3 ways:
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* **Bootmagic reset**: Hold down the top left key and plug in the keyboard
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* **Physical reset button**: Simultaneously press the top four keys, or press the physical button on the back marked 'D'.
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* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
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