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OpenPrintTag reader: M5Stamp S3 with a PN5180
Filament spool tags to Home Assistant through the pn5180 component of randybb/esphome-components, the color also as a light. Onboard LED for tag feedback and status until the external LED is fitted, buzzer on GPIO4.
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# Hardware: M5Stack M5Stamp S3 + PN5180 module (5 V and 3.3 V both needed)
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# Pinout:
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# GPIO0 Button
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# GPIO3 (external RFID LED, not fitted yet; notify_led uses the onboard RGB for now)
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# GPIO4 Buzzer -> buzzer (output ledc)
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# GPIO5 -> spi (spi miso_pin) PN5180 MISO
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# GPIO6 -> spi (spi mosi_pin) PN5180 MOSI
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# GPIO7 -> spi (spi clk_pin) PN5180 SCK
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# GPIO8 -> pn5180 (cs_pin) PN5180 NSS
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# GPIO9 -> pn5180 (busy_pin) PN5180 BUSY
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# GPIO10 -> pn5180 (reset_pin) PN5180 RST
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# GPIO11 -> pn5180 (irq_pin) PN5180 IRQ
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# GPIO19 U-
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# GPIO20 U+
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# GPIO21 RGB -> notify_led (light esp32_rmt_led_strip), also status_led
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# PN5180 REQ, AUX, GPIO left open (REQ high at reset = firmware download mode)
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substitutions:
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device: rfid-openprinttag
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name: OpenPrintTag
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area: DEV
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comment: OpenPrintTag filament spool reader
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esphome:
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name: mcu-${device}
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friendly_name: ${name}
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area: ${area}
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comment: ${comment}
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esp32:
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variant: esp32s3
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toolchain: esp-idf
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framework:
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advanced:
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flash_chip: gd
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type: esp-idf
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packages:
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common: !include common/common.yaml
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ipv6_only: !include common/ipv6_only.yaml
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status_led: !include
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file: common/status_led.yaml
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vars:
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light_id: notify_led
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show_errors: "true"
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external_components:
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- source: github://randybb/esphome-components
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components: [pn5180]
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refresh: 1h
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spi:
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clk_pin: GPIO7
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mosi_pin: GPIO6
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miso_pin: GPIO5
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pn5180:
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id: pn5180_reader
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cs_pin: GPIO8
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busy_pin: GPIO9
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reset_pin: GPIO10
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irq_pin: GPIO11
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on_tag:
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- if:
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condition:
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switch.is_on: led_enabled
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then:
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- light.turn_on:
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id: notify_led
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brightness: 100%
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red: 0%
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green: 100%
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blue: 0%
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flash_length: 500ms
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- if:
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condition:
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switch.is_on: buzzer_enabled
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then:
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- rtttl.play: "success:d=24,o=5,b=100:c,g,b"
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- homeassistant.tag_scanned: !lambda return x;
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on_tag_removed:
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- if:
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condition:
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switch.is_on: buzzer_enabled
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then:
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- rtttl.play: "removed:d=16,o=5,b=100:b"
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sensor:
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- platform: pn5180
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type: remaining_weight
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name: Remaining weight
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- platform: pn5180
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type: consumed_weight
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name: Consumed weight
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- platform: pn5180
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type: actual_weight
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name: Full weight
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- platform: pn5180
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type: min_print_temperature
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name: Min print temperature
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- platform: pn5180
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type: max_print_temperature
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name: Max print temperature
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- platform: pn5180
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type: max_bed_temperature
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name: Max bed temperature
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- platform: pn5180
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type: drying_temperature
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name: Drying temperature
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- platform: pn5180
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type: drying_time
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name: Drying time
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text_sensor:
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- platform: pn5180
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type: uid
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name: Tag UID
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- platform: pn5180
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type: material_type
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name: Material
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- platform: pn5180
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type: material_name
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name: Material name
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- platform: pn5180
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type: brand_name
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name: Brand
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- platform: pn5180
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type: primary_color
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name: Color
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# Mirrored to the filament_color light, empty = no tag
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on_value:
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- lambda: |-
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if (x.size() < 7) {
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id(filament_color).turn_off().set_transition_length(0).perform();
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return;
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}
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uint32_t c = strtoul(x.c_str() + 1, nullptr, 16);
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if (x.size() > 7)
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c >>= 8; // #rrggbbaa
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// ESPHome scales the strongest channel to 100 %, the darkness goes to the brightness
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const float r = ((c >> 16) & 0xFF) / 255.0f, g = ((c >> 8) & 0xFF) / 255.0f, b = (c & 0xFF) / 255.0f;
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const float m = std::max({r, g, b});
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if (m == 0.0f) {
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id(filament_color).turn_off().set_transition_length(0).perform(); // black
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return;
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}
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id(filament_color).turn_on()
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.set_rgb(r, g, b)
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.set_brightness(m)
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.set_transition_length(0)
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.perform();
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light:
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# Onboard RGB for now: tag feedback and status. With the external LED fitted, move
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# notify_led to pin 3 and give the onboard one back to status_led (as on mcu-rfid-reader)
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- platform: esp32_rmt_led_strip
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id: notify_led
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name: Notify LED
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channel_colors: GRB
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pin: 21
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num_leds: 1
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chipset: ws2812
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restore_mode: ALWAYS_OFF
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rmt_symbols: 96
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# Shows the filament color in Home Assistant; drives nothing, the next tag read overwrites it
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- platform: rgb
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id: filament_color
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name: Filament color
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icon: mdi:printer-3d-nozzle
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red: color_none
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green: color_none
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blue: color_none
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restore_mode: ALWAYS_OFF
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default_transition_length: 0s
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output:
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- platform: ledc
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pin: 4
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id: buzzer
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- platform: template
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id: color_none
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type: float
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write_action: []
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rtttl:
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output: buzzer
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switch:
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- platform: template
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name: Buzzer Enabled
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id: buzzer_enabled
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icon: mdi:volume-high
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optimistic: true
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restore_mode: RESTORE_DEFAULT_ON
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entity_category: config
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- platform: template
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name: LED enabled
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id: led_enabled
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icon: mdi:alarm-light-outline
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optimistic: true
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restore_mode: RESTORE_DEFAULT_ON
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entity_category: config
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