Nodemcu-devkit-v1.0 Alternatives

nodemcu-devkit-v1.0 reviews and mentions

• Component unknown
  1 project | /r/AskElectronics | 11 Dec 2023

  This appears to be a NodeMCU, which is an open source dev board: you can just look up the schematics

• Update: Soldered a 1000uF THT Capacitor to the ESP01
  1 project | /r/arduino | 17 Nov 2022

  ESP8266 boards out there, such as the NodeMCU (see here, under ESP-12 Core), normally have a 100uF SMD Tantalum capacitor for this purpose.

• I'm having trouble powering a 5v relay using vin output on a nodemcu-esp12e
  1 project | /r/esp8266 | 28 Sep 2022

  It should be fine. The Vin pin is indeed normally Voltage IN but on the nodemcu board as per the schematics it should work given that the 5V supply is powerful enough. I've done it myself multiple times. What type of relay module do you have? Have you connected the grounds together if using separate power supplies?

• E-Ink Work From Home Calendar
  6 projects | /r/arduino | 2 Feb 2022

  Board: NodeMcu 1.0 (I de-soldered the LEDs and serial chip to save power once programmed)

• esp8266 custom dev board
  1 project | /r/esp8266 | 22 Jul 2021

  The NodeMCU v1.0 is based on the CP2102. Doesn't get much eachier than that.

• Board not booting with Vin 5v until reset button is pressed
  1 project | /r/esp8266 | 27 Jun 2021

  Guess my only solution would be having to wire it to the USB input somehow. If I could somehow find the VU pin it would allow me to perhaps solder that pin directly to the Vin pin? Unfortunately this version did not populate VU on the board. From what I can see in schematics,(This is V1 so it may not be true) VU has a Schottky Barrier Plastic Rectifier Diode (Schematic) between it and Vdd (VIn) Perhaps tapping into that port could work? (This is V1 so it may not be true) VU has a Schottky Barrier Plastic Rectifier Diode (Diagram) between it and Vdd (VIn)

• Before I blow up my NodeMCU is this correct?
  1 project | /r/arduino | 20 Jan 2021

  I don't see VIN max mentioned there but https://github.com/nodemcu/nodemcu-devkit-v1.0/blob/master/Documents/NCP1117ST33T3G.PDF says 10V if yours has the 1117. Either way 12V is pushing it, and as I mentioned lead is greater than 12V when charged, just like other chemistries like Lithiums say ~3.7V but charged are actually around 4.2V

• What exactly did I buy?
  1 project | /r/esp8266 | 10 Jan 2021

  It has the same pinout as a NodeMCU except for that ADC pin where the NodeMCU has a reserved pin. The ADC pin might differ from the A0 pin by including a voltage divider to match a D1 mini, but I'm just speculating and I'd recommend not using it. It looks different because they put the parts of the ESP-12 module directly on the PCB, which is going to same some money on the build. You should be fine treating it like a NodeMCU.

• [Nodemcu devkit v 1.0] Does this non pop have anything to do with waking up from deep sleep?
  3 projects | /r/esp8266 | 31 Dec 2020

  Yes. If you look at the schematic and prints (that's 1.0, but not much has changed), that's R10. Connects GPIO16 (aka XPD_DCDC) to /RST (aka EXT_RSTB). From the ESP8266 datasheet:

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