# On Air R2 Demo ## Description R2 changes: -Moving to Letter Modules for ease of design -Adding ESP32 for WiFi On/Off and intensity control -Optional: Add unpopulated AA Battery Holder for battery option R1 changes: -Changed LED part to Red LEDs -adjusted resistor value of buck converter -Changed source for USB-C Connector -Removed exposed soldermask on buck converter with negative soldermask expansion -Order with black soldermask Modified by markwu2001: - Adjustable Brightness, - 85-90% Drive Efficiency - <5W Operation (Can use 5V 1A Plug) This project can be purchased from LCSC Original Description: Daddy's second circuit board. A sign to let my wife know when I'm on a call. Activates with a slide switch and is powered by USB-C. #template ## Project Details - **Owner:** markwuflux - **Created:** 10/25/2023 - **Last Updated:** 2/12/2024 - **Visibility:** Public - **Operating Voltage:** 5VDC, 4.2VDC - **Connectivity:** WiFi - **License:** https://creativecommons.org/licenses/by/4.0/ - **GitHub:** https://github.com/markwu2001/On-Air-R2-DEV - **Forks:** 8 - **Copies:** 31 ## Key Components ### J1 — TYPE-C-31-M-12 with Impedance Properties - Manufacturer Part Number: TYPE-C-31-M-12 - Part Type: Connector - Datasheet URL: https://www.snapeda.com/parts/TYPE-C-31-M-12/HRO%20Electronics%20Co.,%20Ltd./datasheet/ - Manufacturer Name: ROHS **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1B12] - GND__1 [pin B1A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S1] - SHIELD__1 [pin S2] - SHIELD__2 [pin S3] - SHIELD__3 [pin S4] - VBUS [pin A4B9] - VBUS__1 [pin B4A9] ### J4 — [Test Interface V1 Pinout AFC07-S24ECA-00](https://www.flux.ai/markwuflux/test-interface-v1-pinout-afc07-s24eca-00~7y.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_JUSHUO-AFC07-S24ECA-00_C262643.pdf - Manufacturer Part Number: AFC07-S24ECA-00 - DPN: C262643 **Pins:** - GND [pin 11] - GND [pin 4] - GND [pin 22] - LOGIC_ANALYZER_PROBED_CH0 [pin 21] - LOGIC_ANALYZER_PROBED_CH1 [pin 20] - LOGIC_ANALYZER_PROBED_CH2 [pin 19] - LOGIC_ANALYZER_PROBED_CH3 [pin 18] - LOGIC_ANALYZER_PROBED_CH4 [pin 17] - LOGIC_ANALYZER_PROBED_CH5 [pin 16] - LOGIC_ANALYZER_PROBED_CH6 [pin 15] - LOGIC_ANALYZER_PROBED_CH7 [pin 14] - MP1 [pin MP1] - MP2 [pin MP2] - PROG_RX [pin 12] - PROG_TX [pin 13] - PWR_0 [pin 2] - PWR_0 [pin 3] - PWR_1 [pin 1] - PWR_2 [pin 23] - PWR_3 [pin 24] - SCOPE_SIG_0 [pin 5] - SCOPE_SIG_1 [pin 6] - SCOPE_SIG_2 [pin 7] - SCOPE_SIG_3 [pin 8] - SCOPE_SIG_4 [pin 9] - SCOPE_SIG_5 [pin 10] ### SW1 — [TS-1187A-B-A-B](https://www.flux.ai/markwuflux/ts-1187a-b-a-b~pn.md) - LCSC Number: C318884 - Manufacturer Part Number: TS-1187A-B-A-B - Manufacturer Name: XKB Connectivity - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_XKB-Connectivity-TS-1187A-B-A-B_C318884.pdf **Pins:** - A [pin A] - B [pin B] - C [pin C] - D [pin D] ### SW2 — [TS-1187A-B-A-B](https://www.flux.ai/markwuflux/ts-1187a-b-a-b~pn.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_XKB-Connectivity-TS-1187A-B-A-B_C318884.pdf - Manufacturer Part Number: TS-1187A-B-A-B - Manufacturer Name: XKB Connectivity - LCSC Number: C318884 **Pins:** - A [pin A] - B [pin B] - C [pin C] - D [pin D] ### U3 — ESP32-WROOM-32E with SPI INFO - Part Type: Integrated Circuit - Manufacturer Part Number: ESP32-WROOM-32 - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf **Pins:** - EN [pin 3] - GND [pin 38] - GND [pin 39] - GND [pin 15] - GND [pin 1] - IO0 [pin 25] - IO12/HSPI_CIPO [pin 14] - IO13/HSPI_COPI [pin 16] - IO14/HSPI_CLK [pin 13] - IO15/HSPI_CS0 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0/IO3 [pin 34] - SCK/CLK [pin 20] - SCS/CMD [pin 19] - SDI/SD1 [pin 22] - SDO/SD0 [pin 21] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - SHD/SD2 [pin 17] - SWP/SD3 [pin 18] - TXD0/IO1 [pin 35] - VDD [pin 2] ### U4 — [ME6206A33XG](https://www.flux.ai/jharwinbarrozo/me6206a33xg~6u0.md) - Manufacturer Part Number: ME6206A33XG - Part Type: Power Source - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811101520_MICRONE-Nanjing-Micro-One-Elec-ME6206A33XG_C161345.pdf - Manufacturer Name: MICRONE **Pins:** - GND [pin 1] - VI [pin 3] - VO [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/markwuflux/on-air-r2-demo~4a](https://www.flux.ai/markwuflux/on-air-r2-demo~4a).* --- *Generated from [https://www.flux.ai/markwuflux/on-air-r2-demo~4a](https://www.flux.ai/markwuflux/on-air-r2-demo~4a)*