# Military Harlequin Universal Remote ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** techzz - **Created:** 4/15/2024 - **Last Updated:** 4/15/2024 - **Visibility:** Public ## Key Components ### IC1 — [74HC238D,653](https://www.flux.ai/jecstronic/74hc238dc653.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT238.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 74HC238D,653 - Manufacturer Name: Texas Instruments Inc. - Part Type: Integrated Circuit **Pins:** - ~E1 [pin 4] - ~E2 [pin 5] - A0 [pin 1] - A1 [pin 2] - A2 [pin 3] - E3 [pin 6] - GND [pin 8] - VCC [pin 16] - Y0 [pin 15] - Y1 [pin 14] - Y2 [pin 13] - Y3 [pin 12] - Y4 [pin 11] - Y5 [pin 10] - Y6 [pin 9] - Y7 [pin 7] ### IC2 — [74HC238D,653](https://www.flux.ai/jecstronic/74hc238dc653.md) - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT238.pdf - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 74HC238D,653 **Pins:** - ~E1 [pin 4] - ~E2 [pin 5] - A0 [pin 1] - A1 [pin 2] - A2 [pin 3] - E3 [pin 6] - GND [pin 8] - VCC [pin 16] - Y0 [pin 15] - Y1 [pin 14] - Y2 [pin 13] - Y3 [pin 12] - Y4 [pin 11] - Y5 [pin 10] - Y6 [pin 9] - Y7 [pin 7] ### IC3 — [74HC238D,653](https://www.flux.ai/jecstronic/74hc238dc653.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: 74HC238D,653 - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT238.pdf **Pins:** - ~E1 [pin 4] - ~E2 [pin 5] - A0 [pin 1] - A1 [pin 2] - A2 [pin 3] - E3 [pin 6] - GND [pin 8] - VCC [pin 16] - Y0 [pin 15] - Y1 [pin 14] - Y2 [pin 13] - Y3 [pin 12] - Y4 [pin 11] - Y5 [pin 10] - Y6 [pin 9] - Y7 [pin 7] ### IC4 — [74HC238D,653](https://www.flux.ai/jecstronic/74hc238dc653.md) - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: 74HC238D,653 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT238.pdf **Pins:** - ~E1 [pin 4] - ~E2 [pin 5] - A0 [pin 1] - A1 [pin 2] - A2 [pin 3] - E3 [pin 6] - GND [pin 8] - VCC [pin 16] - Y0 [pin 15] - Y1 [pin 14] - Y2 [pin 13] - Y3 [pin 12] - Y4 [pin 11] - Y5 [pin 10] - Y6 [pin 9] - Y7 [pin 7] ### U1 — [Nodemcu-12E ESP8266](https://www.flux.ai/jharwinbarrozo/nodemcu-12e-esp8266.md) - Datasheet URL: https://components101.com/development-boards/nodemcu-esp8266-pinout-features-and-datasheet - Part Type: Microcontroller - Manufacturer Part Number: Nodemcu-12E ESP8266 **Pins:** - 3V3 [pin 11] - 3V3 [pin 25] - 3V3 [pin 16] - A0 [pin 1] - CMD GPIO11 [pin 7] - D0 GPIO16 [pin 30] - D1 GPIO5 SCL [pin 29] - D2 GPIO4 SDA [pin 28] - D3 GPIO0 [pin 27] - D4 GPIO2 [pin 26] - D5 GPIO14 [pin 23] - D6 GPIO12 [pin 22] - D7 GPIO13 [pin 21] - D8 GPIO15 [pin 20] - EN [pin 12] - GND [pin 17] - GND [pin 14] - GND [pin 10] - GND [pin 24] - RST [pin 13] - RSV1 [pin 2] - RSV2 [pin 3] - RX GPIO3 [pin 19] - SCLK GPIO6 [pin 9] - SD0 GPIO7 MISO [pin 8] - SD1 GPIO8 MOSI [pin 6] - SD2 GPIO10 [pin 4] - SD2 GPIO9 [pin 5] - TX GPIO1 [pin 18] - VIN [pin 15] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/techzz/military-harlequin-universal-remote](https://www.flux.ai/techzz/military-harlequin-universal-remote).* --- *Generated from [https://www.flux.ai/techzz/military-harlequin-universal-remote](https://www.flux.ai/techzz/military-harlequin-universal-remote)*