# ESP-01 Module ## Description ESP8266-01/s is a low-cost Wi-Fi microchip, with a full TCP/IP stack and microcontroller capability. ## Project Details - **Owner:** agboland - **Created:** 11/27/2021 - **Last Updated:** 11/27/2021 - **Visibility:** Public - **Price:** 6.99$ - **Manufacturer Name:** SparkFun Electronics - **Datasheet:** https://pdf1.alldatasheet.com/datasheet-pdf/view/1179098/ETC2/ESP-01.html - **Manufacturer Part Number:** WRL-17146 - **Link to Purchase:** https://www.digikey.com/en/products/detail/sparkfun-electronics/WRL-17146/13282842 - **Copies:** 1 ## Key Components ### ? — [XTAL 26M](https://www.flux.ai/jharwinbarrozo/xtal-26m~l0u.md) **Pins:** - GND - GND - XIN - XOUT ### ? — [Antenna](https://www.flux.ai/jharwinbarrozo/antenna~0u.md) - Impedance: 50Ω **Pins:** - undefined ### ? — [ESP8266E-SPI-FLASH](https://www.flux.ai/jharwinbarrozo/b4880b6f-cf5d-662d-3a44-11f06dfe58b3~fcn.md) - Manufacturer Part Number: ESP8266E-SPI-FLASH **Pins:** - /CS - /HOLD - /WP - CLK - D0 - D1 - GND - VCC ### GND1 — [Signal Ground](https://www.flux.ai/jharwinbarrozo/ground-alt-style~04r.md) - Exclude from BOM: yes **Pins:** - GND ### GND2 — [Signal Ground](https://www.flux.ai/jharwinbarrozo/ground-alt-style~04r.md) - Exclude from BOM: yes **Pins:** - GND ### GND3 — [Signal Ground](https://www.flux.ai/jharwinbarrozo/ground-alt-style~04r.md) - Exclude from BOM: yes **Pins:** - GND ### GND4 — [Signal Ground](https://www.flux.ai/jharwinbarrozo/ground-alt-style~04r.md) - Exclude from BOM: yes **Pins:** - GND ### GND5 — [Signal Ground](https://www.flux.ai/jharwinbarrozo/ground-alt-style~04r.md) - Exclude from BOM: yes **Pins:** - GND ### GND6 — [Signal Ground](https://www.flux.ai/jharwinbarrozo/ground-alt-style~04r.md) - Exclude from BOM: yes **Pins:** - GND ### GND7 — [Signal Ground](https://www.flux.ai/jharwinbarrozo/ground-alt-style~04r.md) - Exclude from BOM: yes **Pins:** - GND ### GND8 — [Signal Ground](https://www.flux.ai/jharwinbarrozo/ground-alt-style~04r.md) - Exclude from BOM: yes **Pins:** - GND ### U1 — [ESP8266EX](https://www.flux.ai/jharwinbarrozo/esp8266ex~xk.md) - Manufacturer Part Number: ESP8266EX **Pins:** - ~EXT_RSTB - CHIP_EN - GPIO0 - GPIO2 - LNA - SDIO_CLK - SDIO_CMD - SDIO_DATA_0 - SDIO_DATA_1 - SDIO_DATA_2 - SDIO_DATA_3 - U0RXD - U0TXD - VDD3P3 - VDD3P3 - VDDA - VDDA - VDDPST - VDDPST - XTAL_IN - XTAL_OUT *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/agboland/esp-01-module~1p](https://www.flux.ai/agboland/esp-01-module~1p).* --- *Generated from [https://www.flux.ai/agboland/esp-01-module~1p](https://www.flux.ai/agboland/esp-01-module~1p)*