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N teller xl diy

atoomnetmarc·n-teller-xl-diy·hardware/n-teller-xl-diy.kicad_pcb

N teller xl diy PCB layout, top view — open source ESP8266 board by atoomnetmarc

About the N teller xl diy PCB

N teller xl diy is an open source ESP8266 PCB design by atoomnetmarc, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 228.6 × 91.4 mm, with 132 components from 9 distinct parts.

Its main chip is the WEMOS_D1_mini, from the ESP8266 family. Other key parts include the 74AHCT125D. By type, the board carries 63 capacitors, 62 diodes, 4 modules, 2 ICs and 1 fuse.

It belongs with the displays & leds and iot & wireless designs in this gallery.

From the project

n-teller-xl-diy is an IoT device that displays the number of checked in participants and visitors at the hackerspace called Revelation Space (or RevSpace).

Soldering and assembly time: about 4 hours (if you can solder well).

n-teller-xl-diy is an IoT device that displays the number of checked in participants and visitors at the hackerspace called Revelation Space (or RevSpace).

It connects to the RevSpace MQTT server via WiFi using an ESP8266.

The MQTT server publishes to a few topics of interest that are subscribed:

N teller xl diy, from the project README
From the project README

Main components on the N teller xl diy

74AHCT125D

N teller xl diy bill of materials (BOM)

132 components, 9 distinct parts.

QtyPartRefs
1
Wemos D1 mini usb-c with 2x 1x08 pin headers and sockets
U1
1
74AHCT125D
U2
4
7-segment_2.3_inch
M1, M2, M3, M4
1
0.5A >6V polyfuse
F1
60
SK6812MINI-E
D1A1, D1A2, D1B1, D1B2, D1C1, D1C2, D1D1, D1D2 +52
1
SS14
D5
1
SS54
D6
2
35V 220uF
C1, C2
61
100n
C3, C4, C5, C6, C7, C8, C9, C10 +53

N teller xl diy design files

The KiCad project lives in the atoomnetmarc/n-teller-xl-diy repository on GitHub; these links point at the commit this page was built from.

N teller xl diy: common questions

What microcontroller does the N teller xl diy use?

The N teller xl diy is built around the WEMOS_D1_mini, from the ESP8266 family.

How big is the N teller xl diy PCB?

The N teller xl diy measures 228.6 × 91.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the N teller xl diy?

132 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the N teller xl diy design files?

From the atoomnetmarc/n-teller-xl-diy repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the N teller xl diy design in my own project?

Yes, under the terms of its Apache-2.0 license, which atoomnetmarc chose for the repository.

Can I test firmware for the N teller xl diy without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP8266 firmware against it before you order a PCB.

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