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Esp32-4-channel relays temp

minhtenlado·esp32-4-channel-relays-temp

Esp32-4-channel relays temp PCB layout, top view — open source ESP32 board by minhtenlado

About the Esp32-4-channel relays temp PCB

Esp32-4-channel relays temp is an open source ESP32 PCB design by minhtenlado, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 78 × 84.5 mm, with 59 components from 25 distinct parts.

Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the AMS1117-3.3, CH340C, PRTR5V0U2X and PC817. By type, the board carries 16 resistors, 9 diodes, 9 capacitors, 8 ICs, 5 transistors and 4 connectors.

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

From the project

⚡ Open-source ESP32 4-Channel Opto-Isolated Relay Controller board designed in KiCad.

Dự án thiết kế phần cứng mã nguồn mở Mạch Điều Khiển 4 Kênh Relay sử dụng vi điều khiển ESP32-WROOM-32, thiết kế trên phần mềm KiCad. Mạch tích hợp cách ly quang toàn phần (Optocoupler), cổng nạp USB Type-C tự động reset (Auto-Download), bảo vệ chống tĩnh điện ESD, cầu chì tự phục hồi PTC và rãnh cách ly an toàn điện áp cao (Creepage Slots) chuyên dụng cho nhà thông minh (Smart Home) và tự động hóa công nghiệp (IoT).

Esp32-4-channel relays temp, from the project README
From the project README

Main components on the Esp32-4-channel relays temp

AMS1117-3.3CH340CPRTR5V0U2XESP32-WROOM-32PC817

Esp32-4-channel relays temp bill of materials (BOM)

59 components, 25 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AMS1117-3.3
U1
1
CH340C
U2
1
PRTR5V0U2X
U3
1
ESP32-WROOM-32
U4
4
PC817
U5, U6, U7, U8
1
MBT3904DW1
Q1
4
BC547A
Q2, Q3, Q4, Q5
1
Relay-1
J1
1
Relay-2
J2
1
Relay-3
J3
1
Relay-4
J4
1
500mA
F1
4
SRD-05VDC-SL-C
K1, K2, K3, K4
2
SW_SKQG
SW1, SW2
1
HRO-TYPE-C-31-M-12
USB1
1
YELLOW_LED
D1
4
RED_LED
D2, D4, D6, D8
4
1N4007
D3, D5, D7, D9
3
22uF
C1, C2, C7
6
0.1uF
C3, C4, C5, C6, C8, C9
Show 5 more
QtyPartRefs
1
2K
R1
2
5.1K
R2, R3
2
22
R4, R5
3
10K
R6, R7, R8
8
1K
R9, R10, R11, R12, R13, R14, R15, R16

Esp32-4-channel relays temp design files

The KiCad project lives in the minhtenlado/esp32-4-channel-relays-temp repository on GitHub; these links point at the commit this page was built from.

Esp32-4-channel relays temp: common questions

What microcontroller does the Esp32-4-channel relays temp use?

The Esp32-4-channel relays temp is built around the ESP32-WROOM-32, from the ESP32 family.

How big is the Esp32-4-channel relays temp PCB?

The Esp32-4-channel relays temp measures 78 × 84.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Esp32-4-channel relays temp?

59 components, from 25 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 Esp32-4-channel relays temp design files?

From the minhtenlado/esp32-4-channel-relays-temp 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 Esp32-4-channel relays temp design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which minhtenlado chose for the repository.

Can I test firmware for the Esp32-4-channel relays temp 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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