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Breadboard-friendly breakout, level shift and programming adapter for ESP-01 ESP8266 module.

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ESP-01-Tamer

Breadboard-friendly breakout, level shift and programming adapter for ESP-01 ESP8266 module.

This little board makes it super easy to use the ESP-8266 ESP-01 board in the Arduino environment.

The following features are provided:

  • CH340G based USB serial interface
  • Auto control of RST/IO0 for downloading (uses DTR and RTS)
  • Onboard 3.3v regulator
  • Bidirectional 5v/3.3v logic level conversion on Rx, Tx, IO0, IO2
  • Breadboard-friendly breakout of all essential pins

There are two versions of this board:
ESP-01_Tamer - all above features, with a USB A male connector to host
ESP-01_Tamer-u - all the same features, but with a micro USB female conneector to host

Common parts list:
R1-R9 - 10K 0805 size
R10,R11 - 470 ohm 0805 size
R12,R13 - 10K 0805 size
Y1 - 12mhz SMD-3 ceramic resonator
IC1 - LD117AS33TR SOT223 3.3v 3-terminal regulator
IC2 - CH340G USB to serial interface
D1 - B5819W-TP SOD123 Schottky diode
C1,C4 - 100nf 0805 size
C2,C3 - 10uf 0805 size
Q1-Q4 - 2N7002 SOT23
Q5,Q6 - S8050 SOT23
JP1 - 2x4 0.1" thru-hole female header
JP2,JP3 - 1x4 0.1" thru-hole male header

USB-A version only:
JP4 - USB A male thru-hole PCB connector

Micro-USB version only:
JP4 - 1x1 0.1" thru-hole male header (in case you need the micro USB ID pin)
J1 - Hirose ZX62D-B-5PA8 micro USB female surface mount connector

PC boards are available on OSHpark:
USB-A: https://oshpark.com/shared_projects/sAVimhVZ
microUSB: https://oshpark.com/shared_projects/1ui7zgvW

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Breadboard-friendly breakout, level shift and programming adapter for ESP-01 ESP8266 module.

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