HardLabs

Varlama

ardaS37·varlama·hardware/dip-v1/yoklama-dip-v1.kicad_pcb

Varlama PCB layout, top view — open source ESP32 board by ardaS37

About the Varlama PCB

Varlama is an open source ESP32 PCB design by ardaS37, published on GitHub. It is a 2-layer board measuring 152.4 × 188 mm, with 31 components from 31 distinct parts.

Its main chip is the ESP32-DevKitC 38 pin, from the ESP32 family. By type, the board carries 13 resistors, 5 diodes, 5 capacitors, 3 transistors, 3 connectors and 1 IC.

From the project

An ESP32 RFID and Android NFC attendance system for managed facilities.

Bu sürüm, hazır ESP32 geliştirme kartı ve modüllerin erkek pinlerini ana PCB'nin deliklerine doğrudan lehimlemek içindir. Ana kart üzerinde SMD montaj yoktur; modüllerin kendi üzerlerindeki SMD parçalar hazır modülün parçasıdır. Soket gerekmez.

Durum: elektriksel ve PCB kural kontrolleri tamamlanmış prototip tasarım. Fiziksel montaj, USB akım bütçesi ve çalışır cihaz testi yapılmadı. Gerberlerin bulunması bu testlerin yapıldığı anlamına gelmez.

Main components on the Varlama

ESP32-DevKitC 38 pin

Varlama bill of materials (BOM)

31 components, 31 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-DevKitC 38 pin
U1
1
2N7000
Q1
1
2N7000
Q2
1
BC337-40
Q3
1
RC522 module
J1
1
MicroSD 42x24 module
J2
1
LCD1602 I2C 5V
J3
1
Passive piezo 5V
BZ1
1
LED blue
D1
1
LED green
D2
1
LED red
D3
1
LED yellow
D4
1
1N4148
D5
1
100uF 10V
C1
1
100NF
100nF
C2
1
100NF
100nF
C3
1
10uF 10V
C4
1
100NF
100nF
C5
1
1k
R1
1
1k
R2
Show 11 more
QtyPartRefs
1
1k
R3
1
1k
R4
1
4.7K
4.7k
R5
1
4.7K
4.7k
R6
1
4.7K
4.7k
R7
1
4.7K
4.7k
R8
1
1k
R9
1
100K
100k
R10
1
10K
10k
R11
1
10K
10k
R12
1
10K
10k
R13

Varlama design files

The KiCad project lives in the ardaS37/varlama repository on GitHub; these links point at the commit this page was built from.

Varlama: common questions

What microcontroller does the Varlama use?

The Varlama is built around the ESP32-DevKitC 38 pin, from the ESP32 family.

How big is the Varlama PCB?

The Varlama measures 152.4 × 188 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Varlama?

31 components, from 31 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Varlama design files?

From the ardaS37/varlama repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Varlama design in my own project?

The repository has no license, so all rights stay with ardaS37. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Varlama without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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