Ssreg6
About the Ssreg6 PCB
Ssreg6 is an open source ESP32 PCB design by burgrp, published on GitHub. It is a 2-layer board measuring 48 × 86 mm, with 79 components from 25 distinct parts.
Its main chip is the ESP32-C3-WROOM-02, from the ESP32 family. Other key parts include the FR8205, LM358 and LTV-354T. By type, the board carries 40 resistors, 25 capacitors, 6 ICs, 2 crystals, 2 connectors and 1 diode.
From the project
6 channel electric boiler switch with tariff and I2C ports, based on ESP8266
Main components on the Ssreg6
Ssreg6 bill of materials (BOM)
79 components, 25 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | FR8205 | SOT-23-6 | U2 |
| 1 | ESP32-C3-WROOM-02 | ESP32-C3-WROOM-02-Handsolder | U3 |
| 3 | LM358 | SOIC-8_3.9x4.9mm_P1.27mm | U4, U5, U6 |
| 1 | LTV-354T | SO-4_4.4x3.6mm_P2.54mm | U7 |
| 1 | 12V | DG235-3.81-02P | X1 |
| 1 | TARIFF | DG235-3.81-02P | X2 |
| 1 | PROG | PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | AUX | PinHeader_1x05_P2.54mm_Vertical | J2 |
| 1 | Regulators | IDC-Header_2x06_P2.54mm_Vertical | DO1 |
| 1 | I2C | IDC-Header_2x03_P2.54mm_Vertical | I2C1 |
| 1 | LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | 6.8UH 6.8uH | CKCS6028 | L1 |
| 2 | 1u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C22 |
| 2 | 100U/16V 100u/16V | CP_Elec_6.3x5.4 | C2, C5 |
| 4 | 10U/16V 10u/16V | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C23, C24, C25 |
| 16 | 100N 100n | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C6, C7, C8, C9, C10, C11, C12 +8 |
| 1 | 100N 100n | C_1210_3225Metric_Pad1.33x2.70mm_HandSolder | C21 |
| 1 | 10K 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 13 | 100K 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R5, R6, R7, R8, R9, R10, R23 +5 |
| 1 | 30k 1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
Show 5 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 6.65k 1% | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 15 | 1K5 1k5 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11, R12, R13, R14, R15, R16, R17, R18 +7 |
| 7 | 56K 56k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R29, R30, R31, R32, R33, R34, R40 |
| 1 | 1K5 1k5 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R35 |
| 1 | 270R | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R38 |
Ssreg6 design files
The KiCad project lives in the burgrp/accuwatt repository on GitHub; these links point at the commit this page was built from.
Ssreg6: common questions
What microcontroller does the Ssreg6 use?
The Ssreg6 is built around the ESP32-C3-WROOM-02, from the ESP32 family.
How big is the Ssreg6 PCB?
The Ssreg6 measures 48 × 86 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Ssreg6?
79 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 Ssreg6 design files?
From the burgrp/accuwatt 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 Ssreg6 design in my own project?
The repository has no license, so all rights stay with burgrp. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Ssreg6 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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